Hiroshi Imai’s publication list
Refereed papers (contributing as the first author)
Imai, H., Sasao T., Kameya O., Miyoshi M., Shibata K.M., Asaki Y., Omodaka T., Morimoto M., Mochizuki N., Suzuyama T.,
Iguchi S., Kameno S., Jike T., Iwadate K., Sakai S., Miyaji T., Kawaguchi N., Miyazawa K., 1997,
``Detection of compact water maser spots around late-type stars”, Astron. Astrophys., 317, L67--L70
Imai, H., Shibata K.M., Sasao T., Miyoshi M., Kameya O., Omodaka T., Morimoto M., Iwata T., Suzuyama T.,
Mochizuki N.,
Miyaji T., Takeuti M., 1997, ``Measurement of shifts in line-of-sight velocities of stellar water masers using VLBI”,
Astron. Astrophys., 319, L1--L4
Imai, H., Iwata T., Miyoshi M., 1999, ``Rotation-Infall Motion around the Protostar IRAS16293-2422
Traced by Water Maser Emission”, Publ. Astron. Soc. Japan, 51, No.4, 473--477
Imai, H., Deguchi S., Miyoshi M., 1999, ``VLBA Observation of SiO Masers in the M giant IRC-10414”,
Publ. Astron. Soc. Japan, 51, No.5, 587--593
Imai, H., Kameya O., Sasao T., Miyoshi M., Deguchi S., Horiuchi S., Asaki Y., 2000, ``KINEMATICS AND
DISTANCE OF WATER MASERS IN W3 IRS5”, Astrophys. J., 538, 751--765
Imai, H., Miyoshi M., Ukita N., Morimoto M., Iwata T., Takaba H., Kameno S., Matsumoto K., Fujisawa K., Kawaguchi N.,
2001, ``Snapshot VLBI observations of SiO v=1 and v=2 (J=1--0) Maser Sources",
Publ. Astron. Soc. Japan, 53, No. 2, 259--273
Imai, H., Ishihara Y., Kameya O., Nakai N., 2001, ``Water Maser Survey in the Andromeda Galaxy",
Publ. Astron. Soc. Japan, 53, No. 3, 489--493
Imai, H., Deguchi S., Sasao T., 2002, “MICROSTRUCTURE OF WATER MASERS IN W3 IRS 5”, Astrophys. J., 567,
971--979
Imai, H., Deguchi S., Fujii T., Glass I. S., Ita Y., Izumiura H., Kameya O., Miyazaki A., Nakada Y., Nakashima J., 2002,
``Detection of SiO Masers from the Large-Amplitude Variables in the Galactic Nuclear Disk”,
Publ. Astron. Soc. Japan, 54, No. 2, L19--L23
Imai, H., Obara K., Diamond P.J., Omodaka T., Sasao T., 2002, “A collimated jet of molecular gas from a star on the
asymptotic-giant-branch”, Nature, 417, 829—831
Imai, H., Watanabe T., Omodaka, T., Nishio M., Kameya O., Miyaji T., Nakajima J., 2002,
“3-D Kinematics of Water Masers in the W51A Region”, Publ. Astron. Soc. Japan, 54, No.5, 741--755
Imai, H., Shibata K.M., Marvel, K.B., Diamond P.J., Sasao T., Miyoshi M., Inoue M., Migenes V., Murata Y., 2003,
“THE 3-D KINEMATICS OF WATER MASERS AROUND THE SEMIREGULAR VARIABLE RT VIRGINIS”,
Astrophys. J., 590, 460--472
Imai, H., Horiuchi S., Deguchi S., Kameya O., 2003,
“LINEAR POLARIZATION OBSERVATIONS OF WATER MASERS IN W3 IRS 5”, Astrophys. J., 595, 285--293
Imai, H., Morris, M., Sahai, R., Hachisuka, K., Azzollini, J.R.F., 2004,
“The kinematics of water masers in the stellar outflow source, IRAS 19134+2131”, Astron. Astrophys., 420, 265--271
Imai, H., Sarma A. P., 2005,
“THE KINEMATICS, PHYSICAL CONDITION AND MAGNETIC FIELD OF THE W3 IRS5 REGION”,
Astrphys. Space Sci., 295, 71--75
Imai, H., Nakashima J., Diamond P. J., Deguchi S., Miyazaki A., 2005,
“A BICONICALLY EXPANDING FLOW IN W43A TRACED BY SiO MASER EMISSION”,
Astrophys. J. Lett., 622, L125—L128
Imai, H., Omodaka T., Hirota T., Umemoto T., Sorai K., Kondo T. , 2006,
“A Collimated Jet and an Infalling-Rotating Disk in G192.16-3.84 Traced by H2O Maser Emission”,
Publ. Astron. Soc. Japan, 58, No. 5, 883—892
Imai, H., Sahai, R., Morris M., 2007,
“THE SPATIO-KINEMATICAL STRUCTURE AND DISTANCE OF THE PREPLANETARY NEBULA
IRAS 19134+2131”,
Astrophys. J., 669, 424--434
Imai, H. , Nakashima K., Bushimata, Choi, Y.K., Hirota, T., Honma, M. Horiai, K., Inomata, N., Iwadate, K., Jike, T.,
Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kijima, M. Kobayashi, H., Kuji, S., Kurayama T., Manabe, S.,
Miyaji, T., Nagayama, T., Nakagawa, A., Oh, C.S,, Omodaka, T., Oyama, T., Sakai, S., Sakakibara, S., Sato, K.,
Sasao, T., Shibata, K.M., Shimizu, R., Shintani, M., Sora, K., Suda, H., Tamura, Y., Tsushima, M., Ueno, Y.,
Yamashita, K., 2007, “Astrometry of H2O Masers in Nearby Star-Forming Regions with VERA -- I. IRAS 16293-2422
in ρ Oph East”,
Publ. Astron. Soc. Japan, 59, No.6, 1107—1113
Imai, H., Fujii, T., Omodaka, T., Deguchi, S., 2008,
“JVN observations of H2O masers around the evolved star IRAS22480+6002”,
Publ. Astron. Soc. Japan, 60, No.1, 55—62
Imai, H., He, J.-H., Nakashima, J., Ukita, N., Deguchi, S., Koning, N., 2009,
“CO J=3-2 Emission from the "Water Fountain" Sources IRAS 16342-3814 and IRAS 18286-0959”,
Publ. Astron. Soc. Japan, 61, No.6, 1365—1372
Imai, H., Nakashima, J., Deguchi, S., Yamauchi A., Nakagawa, A., Nagayama, T., 2010,
“Japanese VLBI Network Mapping of SiO v = 3 J = 1--0 Maser Emission in W Hydrae”,
Publ. Astron. Soc. Japan, 62, No.2, 431—439
Imai, H., Tafoya, D., Hirota, T., Honma, M., Miyaji, T., 2011,
“Annual Parallax Distance and Kinematical Property of H2O Masers in IRAS 19312+1950”,
Publ. Astron. Soc. Japan, 63, No.1, 81—87
Imai, H., Omi, R., Kurayama, T., Nagayama, T., Hirota, T., Miyaji, T., Omodaka, T., 2011,
“Multiple Outflows Traced by H2O Masers around the Ultra-compact HII Region G34.26+15”
Publ. Astron. Soc. Japan, 63, No.6, 1293—1311
Imai, H., Chong, S.-N., He, J.-H., Nakashima, J., Hsia, C.-H., Sakai, T., Deguchi, S., Koning, N., 2012,
“Extremely Strong 13CO J = 3--2 Line in the ``Water Fountain'' IRAS 16342-3814: Evidence for the Hot-Bottom
Burning”, Publ. Astron. Soc. Japan, 64, No.5, 87 (8 pages)
Imai, H., Oyadomari, M., Chong, S. N., Nakagawa, A., Kurayama, T., Nakashima, J., Matsumoto, N., Nagayama ,T., Oyama, T.,
Mizuno, S., Deguchi, S., Cho, S.-H., 2012,
“Pilot VLBI Survey of SiO v=3 J=1—0 Maser Emission around Evolved Stars”, Publ. Astron. Soc. Japan, 64, No.6, L6
Imai, H., Sakai, N., Nakanishi, H., Sakanoue, H., Honma, M., Miyaji, T., 2012,
“Annual Parallax Distance to the K-type Star System IRAS 22480+6002 measured with VERA”, Publ. Astron. Soc.
Japan, 64, No.6, 142(11pages)
Imai, H., Kurayama, T., Honma, M., Miyaji, T., 2013,
“Annual Parallax Distance and the Secular Motion of the Water Fountain Source IRAS 18286-0959”, Publ. Astron. Soc.
Japan, 65, No.2, 28 (9 pages)
Imai, H., Katayama, Y., Ellingsen, S.P., Hagiwara, Y., 2013,
“ACTA Survey of H2O masers in the Large Magellanic Clouds”, Mon. Not. R. Astron. Soc., 432, L16—L20
Imai, H., Nakashima, J., Yung, B.H.K,, Deguchi, S., Kwok, S., Diamond, P.J., 2013,
“EXPLORATION OF A RELIC CIRCUMSTELLAR ENVELOPE IN THE "WATER FOUNTAIN" SOURCE IRAS
18286–0959”, Astrophys. J., 771, 47 (11pages)
Imai, H., Nakashima, J., Deguchi, S., Kwok, S., Diamond, P.J., 2013,
”The Spatio-Kinematical Structure of H2O and OH Masers in the ‘Water Fountain’ Source IRAS 18460-0151”,
Astrophys. J., 773, 182 (12 pages)
Refereed papers (contributing as one of co-authors)
Honma M., Oyama T., Hachisuka K., Sawada S. S., Sebata K., Miyoshi M., Kameya O., Manabe S., Kawaguchi N., Sasao T.,
Kameno S., Fujisawa K., Shibata K. M., Bushimata T., Miyaji T., Kobayashi H., Inoue M., Imai, H., Araki H., Hanada H.,
Iwadate K., Kaneko Y.,
Kuji S., Sato K., Tsuruta S., Sakai S., Tamura Y., Horiai K., Hara T., Yokoyama K., Nakajima J., Kawai E., Okubo H.,
Osaki H., Koyama Y.,
Sekido M., Suzuyama T., Ichikawa R., Kondo T., Sakai K., Wada K., Harada N., Tougou N., Fujishita M., Morisaki S.,
Kanbara R., Funaki T.,
Yamashita N., Hasegawa W., Nakamura M., Shimizu R., Kawaguchi S., Yoshimura A., Watanabe T., Shimoikura T.,
Nishio M., Omodaka T., Okudaira A., 2000,
``J-Net Galactic Plane Survey of VLBI Radio Sources
for VLBI Exploration of Radio Astrometry (VERA)”, Publ. Astron. Soc. Japan, 52, No.5, 631--643
Ishitsuka J. K., Imai, H., Omodaka T., Ueno M., Kameya O., Sasao T., Morimoto M., Miyaji T., Nakajima J.,
Watanabe T. 2001, “VLBI Monitoring Observations of Water Masers around the Semi-Regular
Variable Star R Crateris”, Publ. Astron. Soc. Japan, 53, No.6, 1231--1238
Sudou H, Omodaka T., Imai, H., Sasao T., Takaba H., Nishio M., Hasegawa W., Nakajima J., 2002,
``VLBI Observations of Water Masers in the Circumstellar Envelope of IRC +60169 “,
Publ. Astron. Soc. Japan, 54, No.5, 757--764
Honma, M., Choi, Y. K., Bushimata, T., Fujii, T., Hirota, T., Horiai, K., Imai, H., Inomata, N., Ishitsuka, J., Iwadate, K.,
Jike, T., Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kobayashi, H., Kuji, S., Kurayama, K., Manabe, S.,
Miyaji, T., Nakagawa, A., Nakashima, K., Nagayoshi R., Omodaka, T., Oyama ,T., Rioja, M., Sakai, S., Sakakibara S.,
Sato, K., Sasao, T., Shibata, K. M., Shimizu, R., Sora, K., Suda, H., Tamura, Y., Yamashita, K. 2004,
``VERA Observation of the W49N H2O Maser Outburst in 2003 October”,
Publ. Astron. Soc. Japan, 56, No.1, L15—L18
Deguchi, S., Imai, H., Fujii, T., Glass, I. S., Ita, Y., Izumiura, H., Kameya, O., Miyazaki, A., Nakada, Y., Nakashima, J., 2004,
``SiO Maser Survey of the Large-Amplitude Variables in the Galactic Center”,
Publ. Astron. Soc. Japan, 56, No. 2, 261---294
Deguchi S., Fujii T., Glass I. S., Imai, H., Ita Y., Izumiura H., Kameya O., Miyazaki A., Nakada Y., Nakashima J., 2004,
``SiO Maser Survey of IRAS Sources in the Inner Galactic Disk”, Publ. Astron. Soc. Japan, 56, No. 5, 765---802
Honma, M., Bushimata, T., Choi, Y. K., Fujii, T., Hirota, T., Horiai, K., Imai, H., Inomata, N., Ishitsuka, J., Iwadate, K.,
Jike, T., Kameya, O., Kamohara, R., Kan-Ya, Y., Kawaguchi, N., Kijima, M., Kobayashi, H., Kuji, S., Kurayama, T.,
Manabe, S., Miyaji, T., Nakagawa, A., Nakashima, K., Oh, C.-S., Omodaka, T., Oyama, T., Rioja, M., Sakai, S.,
Sato, K., Sasao, T., Shibata, K.M., Shimizu, R., Sora, K., Suda, H., Tamura, Y., Yamashita, K., 2005
`` Multi-Epoch VERA Observations of OH43.8-0.1”,
Publ. Astron. Soc. Japan, 57, No.4, 595—603
Vlemmings, W. H.T., Diamond, P.J., Imai, H., 2006,
“A magnetically collimated jet from an evolved star”, Nature, 440, 58—60
Chen, X., Shen, Z.-Q., Imai, H., Kamohara, R., 2006,
“INWARD MOTIONS OF THE COMPACT SiO MASERS AROUND VX SAGITTARII”, Astrophys. J., 640,
982—994
Hachisuka, K., Brunthaler, A., Menten, K.M., Reid, M.J., Imai, H., Hagiwara, Y., Miyoshi, M., Horiuchi, S., Sasao, T., 2006,
“WATER MASER MOTIONS IN W3(OH) AND A DETERMINATION OF ITS DISTANCE”,
Astrophys. J., 645, 337—344
Deguchi, S., Fujii, T., Ita Y., Imai, H., Izumiura, H., Kameya, O., Matsunaga, N., Miyazaki, A., Mizutani, R., Nakada, Y.,
Nakashina, J., 2007,
“SiO Maser Search off the Galactic Plane”, Publ. Astron. Soc. Japan, 59, No.3, 559---587
Sato, M., Hirota, T., Honma, M., Kobayashi, H., Sasao, T., Bushimata, T., Choi, Y. K., Imai, H., Iwadate, K., Jike, T.
Kameno, S., Kameya, O., Kamohara,R., Kan-ya, Y., Kawaguchi, N., Kijima, K., Kobayashi, H., Kim, M.-K., Kuji,. K.,
Kurayama, T., Manabe, S., Maruyama, K., Matsui, M., Matsumoto, N., Miyaji, T., Nagayama, T., Nakagawa, A.,
Nakamura, K., Oh, C.-S., Omodaka, T., Oyama, T., Sakai, T., Sato, K., Shibata, K. M., Shintani, M., Tamura, Y.,
Tsushima, M., Yamashita, K., 2007,
“Absolute Proper Motions of H2O Masers Away from the Galactic Plane Measured with VERA in the "Superbubble"
Region NGC 281” , Publ. Astron. Soc. Japan, 59, No.4, 743---751
Inomata, N., Imai, H., Omodaka, T., 2007, “A Pole-on Bipolar Outflow from the AGB Star WX Piscium”,
Publ. Astron. Soc. Japan, 59, No.4, 799—809
Honma, M., Bushimata, T., Choi, Y.K., Hirota, T., Horiai, K., Imai, H., Iwadate, K., Jike, T., Kameya, O.,
Kamohara,R., Kan-ya, Y., Kawaguchi, N., Kijima, K., Kobayashi, H., Kim, M.-K., Kuji,. K., Kurayama, T., Manabe, S.,
Maruyama, K., Matsui, M., Matsumoto, N., Miyaji, T., Nagayama, T., Nakagawa, A., Nakamura, K., Oh, C.-S., Omodaka,
T., Oyama, T., Sakai, T., Sato, K., Shibata, K. M., Shintani, M., Suda, H., Tamura, Y., Tsushima, M., Yamashita, K.,
2007,
“Astrometry of Galactic Star Forming Region Sharpless 269 with VERA: Parallax Measurements and
Constraint on Outer Rotation Curve”, Publ. Astron. Soc. Japan, 59, No.5, 889—895
Hirota, T., Bushimata, T., Choi, Y. K., Honma, M., Imai, H., Iwadate, K., Jike, T., Kameno, S., Kameya, O., Kamohara, R.,
Kan-ya, Y., Kawaguchi, N., Kijima, M., Kim,~M.-K., Kobayashi, H., Kuji, S., Kurayama, T., Manabe, S.,
Maruyama, K., Matsui, M., Matsumoto, N., Miyaji, T., Nagayama, T., Nakagawa, A., Nakamura, K.,
Oh, C. S., Omodaka, T., Oyama, T., Sakai, S., Sasao, T., Sato, K., Sato, M., Shibata, K. M., Shintani, M.,
Tamura, Y., Tsushima, M., and Yamashita, K. , 2008, “Distance to Orion KL Measured with VERA”,
Publ. Astron. Soc. Japan, 59, No. 5, 897--903
Hirota, T., Bushimata, T., Choi, Y. K., Honma, M., Imai, H., Iwadate, K., Jike, T., Kameya, O., Kamohara, R., Kan-ya, Y.,
Kawaguchi, N., Kijima, M., Kobayashi, H., Kuji, S., Kurayama, T., Manabe, S., Miyaji, T., Nagayama, T.,
Nakagawa, A., Oh, C. S., Omodaka, T., Oyama, T., Sakai, S., Sasao, T., Sato, K., Shibata, K. M., Tamura, Y., and
Yamashita, K. ,
2008, “Astrometry of H2O Masers in Nearby Star-Forming Regions with VERA. II. SVS13 in NGC1333”,
Publ. Astron. Soc. Japan, 60, No. 1, 37--44
Oyama, T., Miyoshi, M., Deguchi, S., Imai, H., Shen, Z.-Q., 2008,
“A Measurement of Proper Motions of SiO Maser Sources in the Galactic Center with the VLBA”,
Publ. Astron. Soc. Japan, 60, No.1, 11—22
Nagayama, T., Nakagawa, A., Imai, H., Omodaka, T., Sofue, Y., 2008
“VLBI Observations of Water Masers in Onsala 1: Massive Binary Star-Forming Site?”
Publ. Astron. Soc. Japan, 60, No.2, 183—190
He, J.-H., Imai, H., Hasegawa, T.I., Campbell, S.W., Nakashima, J., 2008,
“First detection of CO lines in a water fountain star”, Astron. Astrophys., 488, L21-L24
Honma, M., Kijima, M., Suda, H., Kawaguchi, N., Kobayashi, H., Bushimata, T., Shimizu, R., Yoshimura, A.,
Sasao, T., Hirota, T., Imai, H., Iwadate, K., Jike, T., Kameya, O., Kamohara, R., Kuji, S., Kurayama, T.,
Manabe, S., Miyaji, T., Nakagawa, A., Omodaka, T., Oyama, T., Sakai, S., Sato, K., Shibata, K.M., and
Tamura, Y., 2008, “Dual-Beam Delay Calibration for VERA”, Publ. Astron. Soc. Japan, 60, No. 5, 935--950
Hirota, T., Ando, K., Bushimata, T., Choi, Y.K., Honma, M., Imai, H., Iwadate, K., Jike, T., Kameno, S., Kameya, O.,
Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kijima, M., Kim, M.K., Kobayashi, H., Kuji, S.,
Kurayama, T., Manabe, S., Matsui, M., Matsumoto, N., Miyaji, T., Miyazaki, A., Nagayama, T.,
Nakagawa, A., Namikawa, D., Nyu, D., Oh, C.S., Omodaka, T., Oyama, T., Sakai, S., Sasao, T., Sato, K.,
Sato, M., Shibata, K.M., Tamura, Ueda, Y., Yamashita, K., 2008,
“Astrometry of H2O Masers in Nearby Star-Forming Regions with VERA III. IRAS22198+6336 in
Lynds1204G”, Publ. Astron. Soc. Japan, 60, No. 5, 961—974
Sato, M., Hirota, T., Honma, M., Kobayashi, H., Bushimata, T., Choi, Y.K., Imai, H., Iwadate, K., Jike, T.,
Kameno, S., Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kim, M.K., Kuji, S.,
Kurayama, T., Manabe, S., Matsui, M., Matsumoto, N., Miyaji, T., Nagayama, T.,
Nakagawa, A., Nakamura, K., Oh, C.S., Omodaka, T., Oyama, T., Sakai, S., Sasao, T., Sato, K.,
Shibata, K.M., Tamura, Yamashita, K., 2008,
“Distance to NGC 281 in a Galactic Fragmenting Superbubble: Parallax Measurements with VERA”,
Publ. Astron. Soc. Japan, 60, No. 5, 975—989
Kim, M.K., Hirota, T., Honma, M., Kobayashi, H., Bushimata, T., Choi, Y.K., Imai, H., Iwadate, K., Jike, T.,
Kameno, S., Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kuji, S.,
Kurayama, T., Manabe, S., Matsui, M., Matsumoto, N., Miyaji, T., Nagayama, T.,
Nakagawa, A., Nakamura, K., D., Oh, C.S., Omodaka, T., Oyama, T., Sakai, S., Sasao, T., Sato, K.,
Sato, M., Shibata, K.M., Tamura, Yamashita, K., 2008,
“SiO Maser Observations toward Orion-KL with VERA”, Publ. Astron. Soc. Japan, 60, No. 5, 991--999
Choi, Y.K., Hirota, T., Honma, M., Kobayashi, H., Bushimata, T., Imai, H., Iwadate, K., Jike, T.,
Kameno, S., Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kijima, M., Kim, M.K., Kuji, S.,
Kurayama, T., Manabe, S., Matsui, M., Matsumoto, N., Miyaji, T., Nagayama, T.,
Nakagawa, A., Nakamura, K., Oh, C.S., Omodaka, T., Oyama, T., Sakai, S., Sasao, T., Sato, K.,
Sato, M., Shibata, K.M., Tamura, Tsushima, M., Yamashita, K., 2008,
“Distance to VY Canis Majoris with VERA”, Publ. Astron. Soc. Japan, 60, No. 5, 1007—1012
Nakagawa, A., Tsushima, M., Ando, K., Bushimata, T., Choi, Y.K., Hirota, T., Honma, M., Imai, H., Iwadate, K.,
Jike, T., Kameno, S., Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kijima, M., Kim, M.K.,
Kobayashi, H., Kuji, S., Maeda, T., Kurayama, T., Manabe, S., Maruyama, K., Matsui, M., Matsumoto, N.,
Miyaji, T., Nagayama, T., Nakamura, K., Nyu, D., Oh, C.S., Omodaka, T., Oyama, T., Pradel, N., Sakai, S.,
Sasao, T., Sato, K., Sato, M., Shibata, K.M., Suda, H., Tamura, Y., Ueda, Y., Ueno, Y.,Yamashita, K., 2008,
“VLBI Astrometry of AGB Variables with VERA --- A Semiregular Variable S Crateris ---“
Publ. Astron. Soc. Japan, 60, No. 5, 1013—1021
Kamohara, R., Bujarrabal, V., Bushimata, T., Choi, Y.K., Hirota, T., Honma, M., Imai, H., Iwadate, K.,
Jike, T., Kameya, O., Kan-ya, Y., Kawaguchi, N., Kim, M.K., Kijima, M., Kobayashi, H., Kuji, S.,
Kurayama, T., Manabe, S., Miyaji, T., Nagayama, T., Nakagawa, A., Oh, C.S., Omodaka, T., Oyama, T.,
Pradel, N., Sakai, S., Sasao, T., Sato, K., Sato, M., Shibata, K.M., Tamura, Yamashita, K., 2008,
“VERA Observations of SiO Masers in the Symbiotic Star R Aquarii”,
Publ. Astron. Soc. Japan, 60, No. 5, 1023—1029
Matsumoto, N., Omodaka, T., Imai, H., Shimizu, R., Bushimata, T., Choi, Y.K., Hirota, T., Honma, M., Inomata, N.,
Iwadate, K., Jike, T., Kameno, S., Kameya, O., Kamohara, R., Kan-ya, Y., Kawaguchi, N., Kobayashi, H.,
Kuji, S., Kurayama, T., Maeda, T., Manabe, S., Miyaji, T., Nagayama, T., Nakagawa, A., Nakashima, K.,
Oh, C.S., Oyama, T., Sakai, S., Sakakibara, S., Sasao, T., Sato, K., Sato, M., Shibata, K.M., Shintani, M.,
Sofue Y., Sora, K., Suda, H., Tamura, Tsushima, M., Yamashita, K., 2008,
“Variable Asymmetry of the Circumstellar Envelope in IK Tauri Traced by SiO Maser Emission”,
Publ. Astron. Soc. Japan, 60, No. 5, 1039—1050
Ueda, K., Imai, H., Deguchi, S., Kamohara, R.,, Maeda, T., Matsumoto, N., Omodaka, T.,, 2008,
“Japanese VLBI Network Observations of SiO Masers in the M-Type Giant IRC − 10414”
Publ. Astron. Soc. Japan, 60, No. 5, 1051—1056
Maeda, T., Imai, H., Omodaka, T., Kobayashi, H., Shibata, K.M., Bushimata, T., Choi, Y.K., Hirota, T., Honma, M.,
Horiai, K., Inomata, N., Iwadate, K., Jike, T., Kameno, S., Kameya, O., Kamohara, R., Kan-ya, Y.,
Kawaguchi, N., Kuji, S., Kurayama, T., Manabe, S., Miyaji, T., Nagayama, T., Nakagawa, A., Nakashima, K.,
Oh, C.S., Oyama, T., Sakai, Sakakibara, S., Sasao, T., Sato, K., Shimizu, R., Shintani, M., Sora, K., Suda, H.,
Tamura, Y., Yamashita, K., 2008,
“A Bipolar Outflow of the M-Type Giant IRC − 10414 Traced by H2O Maser Emission”,
Publ. Astron. Soc. Japan, 60, No. 5, 1057—1067
Nagayama, T., Takeda, K., Omodaka, T., Imai, H., Kameno, S., Sofue, Y., Doi, A., Fujisawa, K., Hane, A.,
Honma, M., Kawaguchi, N., Kawai, E., Kobayashi, H., Koyama, Y., Murata, Y., Sorai, K., Sudou, H.,
Takaba, H., Tamura, S., Wakamatsu, K., 2008,
“H2O Maser Outflow from the Red Supergiant Star NML Cygni Observed with Japanese VLBI Network”
Publ. Astron. Soc. Japan, 60, No. 5, 1069—1075
Shintani, M. , Imai, H., Ando, K., Omodaka, T., Nakashima, K., Hirota, T., Inomata, N., Kai, T., Kameno, S.,
Kijia, M., Kobayashi, H., Kuriki, M., Maeda, T., Maruyama, K., Matsumoto, N., Miyaji, T., Nagayoshi, R.,
Nakamura, K., Nakagawa, A., Namikawa, D., Omodaka, T., Oyama, T., Sakakibara, S., Shimizu, R.,
Sora, K., Tsushima, M., Ueda, K., Ueda, Y., Yamashita, K., 2008,
“Statistical Properties of Stellar H2O Masers --- Results of Three-Year Single-Dish Observations with the
VERA Iriki Telescope”, Publ. Astron. Soc. Japan, 60, No. 5, 1077—1131
Kamohara, R., Bujarrabal, V., Honma, M., Nakagawa, A., Matsumoto, N., Oyama, T., Imai, H., Shibata, K.M.,
Kobayashi, H., Sato, K., Ueno, Y., 2010,
" VERA observations of SiO maser emission from R Aquarii", Astron. Astrophys., 510, 69-84
Asaki, Y., Deguchi, S., Imai, H., Hachisuka, K., Miyoshi, M., Honma, M., 2010,
“DISTANCE AND PROPER MOTION MEASUREMENT OF THE RED SUPERGIANT, S PERSEI,
WITH VLBI H2O MASER ASTROMETRY”, Astrophys. J., 721, 266—277
Nakashima, J., Deguchi, S., Imai, H., Kemball, A., Lewis, B.M., 2011,
"Maser Properties of the Enigmatic IRAS Source 19312+1950", Astrophys. J., 728, 76—89
Hirota, T., Honma, M., Imai, H., Sunada, K., Ueno, Y., Kobayashi, H., Kawaguchi, N., 2011,
"Astrometry of H2O Masers in Nearby Star-Forming Regions with VERA --- IV. L1448C ",
Publ. Astron. Soc. Japan, 63, No. 1, 1—8
Ando, K., Nagayama, T., Omodaka, T., Handa, T., Imai, H., Nakagawa, A., Nakanishi, H., Honma, M.,
Kobayashi, H., Miyaji, T., 2011,
"Astrometry of Galactic Star-Forming Region ON 2N with VERA: Estimation of the Galactic Constants",
Publ. Astron. Soc. Japan, 63, No. 1, 45—51
Nyu, D., Nakagawa, A., Matsui, M., Imai, H., Sofue, Y., Omodaka, T., Kurayama, T., Kamohara, R., Hirota, T.,
Honma, M., Shibata, K.M., Kobayashi, H., Iwadate, K., Miyaji, T., 2011,
“Astrometry of AGB Variables with VERA --- Annual Parallax and the orbit of SY~Sculptoris in the
Galaxy --- “, Publ. Astron. Soc. Japan, 63, No. 1, 63—70
Tafoya, D., Imai, H., Gómez, Y., Torrelles, J. M., Patel, N. A., Anglada, G., Miranda, L. F., Honma, M., Hirota, T.,
Miyaji, T., 2011, "Measurement of the Distance and Proper Motions of the H2O Masers in the Young Planetary Nebula
K 3−35", Publ. Astron. Soc. Japan, 63, No. 1, 71—80
Kurayama, T., Nakagawa, A., Sawada-Satoh, S., Sato, K., Honma, M., Sunada, K., Hirota, T., Imai, H., 2011,
" Annual Parallax Measurements of an Infrared Dark Cloud MSXDC G034.43+00.24 with VERA",
Publ. Astron. Soc. Japan, 63, No. 3, 513—525
Hirota, T., Tsuboi, M., Fujisawa, K., Honma, M., Kawaguchi, N., Kim, M.-Y., Kobayashi, H., Imai, H., Omodaka, T.,
Shibata, K.-M., Shimoikura, T., Yonekura, Y., 2011,
“IDENTIFICATION OF BURSTING WATER MASER FEATURES IN ORION KL”, Astrophys. J., 739, L59 (5 pages)
Yung, B.H.K., Nakashima, J., Imai, H., Deguchi, S., Diamond, P.J., Kwok S., 2011,
“HIGH VELOCITY PRECESSING JETS FROM THE WATER FOUNTAIN IRAS 18286–0959 REVEALED
BY VERY LONG BASELINE ARRAY OBSERVATIONS”,
Astrophys. J., 741, 94—107
Shiozaki, S., Imai, H., Tafoya, D., Omodaka, T., Hirota, T., Honma, M., Matsui, M., Ueno, Y., 2011,
“H2O maser motions and the distance of the star forming region G192.16-3.84”,
Publ. Astron. Soc. Japan, 63, No. 6, 1219—1228
Kamezaki, T., Nakagawa, A., Omotaka, T., Kurayama, T., Imai, H., Tafoya, D., Matsui, M., Nishida, Y., Nagayama, T.,
Honma, M., Kobayashi, H., Takeuchi, M., 2012,
“VLBI Astrometry of the Semiregular Variable RX Bootis”, Publ. Astron. Soc. Japan, 64, No. 1, 7(8 pages)
Chibueze, J.O., Imai, H., Tafoya, D., Omodaka, T., Kameya, O., Hirota, T., Chong, S.-N., Torrelles, J.M., 2012,
“A HIGHLY COLLIMATED WATER MASER BIPOLAR OUTFLOW IN THE CEPHEUS A HW3d MASSIVE
YOUNG STELLAR OBJECT”, Astrophysical J, 748, 146—157
Miyoshi, M., Asaki, Y., Wada, K., Imai, H., 2012,
“Analysis of H2O masers in Sharpless 269 using VERA archival data—Effect of maser structures on astrometric accuracy”,
New Astron., 17, 553—564
Yamaki, H., Kameno, S., Beppu, H., Mizuno, I., Imai, H., 2012,
“Optimization by Smoothed Bandpass Calibration in Radio Spectroscopy”, Publ. Astron. Soc. Japan, 64, 117(9 pages)
Chong, S.-N., Kwok, S., Imai, H., Tafoya, D., Chibueze, J.O., 2012,
“Multipolar Planetary Nebulae: Not as Geometrically Diversified as Thought”, Astrophys. J., 760, 115, (10 pages)
Honma, M., Nagayama, T., Ando, K., Bushimata, T., Choi, Y.K., Handa, T., Hirota, T., Imai, H., Jike, T., Kim, M.K., Kameya, O.,
Kawaguchi, N., Kobayashi, H., Kurayama, T., Kuji, S., Matsumoto, N., Manabe, S., Miyaji, T., Motogi, K., Nakagawa, A.,
Nakanishi, H., Niinuma, K., Oh, S.C., Omodaka, T., Oyama, T., Sakai, N., Sato, K., Sato, M., Shibata, K.M., Shiozaki, S.,
Sunada, K., Tamura, Y., Ueno, Y., Yamauchi A., 2012,
“Fundamental Parameters of the Milky Way Galaxy Based on VLBI Astrometry”,
Publ. Astron. Soc. Japan, 64, No. 6, 136 (13 pages)
Dickey, J.M., McClure-Griffiths, N., Gibson, S.J., Gómez. J. F., Imai, H., et al. (56 authors), 2013,
“GASKAP – The Galactic ASKAP Survey”, Publ. Astron. Soc. Australia, 30, e003 (20 pages)
Yung, B.H.K., Nakashima, J., Imai, H., Deguchi, S., Kwok S., 2013,
“WATER MASER SRUVEY ON AKARI AND IRAS SOURCES: A SEARCH FOR “LOW-VELOCITY” WATER
FOUNTAINS”, Astrophys. J., 769, 20 (18 pages)
Dodson, R., Rioja, M.J., Asaki, Y., Imai, H., Hong, X.-Y, Shen, Z., 2013,
“Application of MultiView Methods for High Precision Astrometric Space VLBI at Low Frequencies”
Astron. J. 145, 147(11pages)
Kusuno, K. Asaki, Y., Imai, H., Oyama, T., 2013,
“DISTANCE AND PROPER MOTION MEASUREMENT OF THE RED SUPERGIANT, PZ CAS, IN VERY LONG
BASELINE INTERFEROMETRY H2O MASER ASTROMETRY” ,
Astrophysical J, 774, 107 (16 pages)
Dawson, J. R., Walsh, A. J., Jones, P. A., Breen, S. L., Cunningham, M. R., Lowe, V., Jones, C., Purcell, C., Caswell, J. L.,
Carretti, E., McClure-Griffiths, N. M., Ellingsen, S. P., Green, J. A., Gómez, J. F., Krishnan, V., Dickey, J. M., Imai, H.,
Gibson, S. J., Hennebelle, P., Lo, N., Hayakawa, T., Fukui, Y., Mizuno, A., 2014,
“SPLASH: the Southern Parkes Large-Area Survey in Hydroxyl - first science from the pilot region”
Mon. Not. R. Astron. Soc., 439, 1596—1614
Asaki, Y., Imai, H., Sobolev, A. M., Parfenov, S. Yu., 2014, “Distance and Proper Motion Measurement of Water Masers in
Sharpless 269 IRS 2w”, Astrophys. J., 787, 54 (9 pages)
Hirota, T., Tsuboi, M., Kurono, Y., Fujisawa, K., Honma, M., Kim, M.K., Imai, H., Yonekura, Y., 2014,
“VERA and ALMA Observations of the H2O supermaser burst in Orion KL”,
Publ. Astron. Soc. Japan, 66, No. 6, 106 (16 pages)
Robishaw, T., Green, J., A., Surcis, G., Vlemmings, W., Richards, A. M. S., Etoka, S., Bourke, T., Fish, V., Gray, M., Imai, H.,
Kramer, B., McBride, J., Momjian, E., Sarma, A., Zijlstra, A., 2014
“Measuring Magnetic Fields Near and Far with the SKA via the Zeeman Effect”
Proceedings “Advancing Astrophysics with the SKA”, PoS(AASKA14), in press (arXiv:1503.01779)
Etoka, S., Engels, D., Imai, H., Dawson, J., Ellingsen, S., Sjouwerman, L., van Langevelde, H., 2014
“OH masers in the Milky Way and Local Group galaxies in the SKA era”,
Proceedings "Advancing Astrophysics with the Square Kilometre Array", PoS(AASKA14), in press (arXiv:1501.06153)
Han, J. L., van Straten, W., Lazio, T. J. W., Deller, A., Sobey, C., Xu, J., Schnitzeler, D., Imai, H., Chatterjee, S.,
Macquart, J.-P., Kramer, M., Cordes, J., 2014,
“Three-dimensional Tomography of the Galactic and Extragalactic Magnetoionic Medium with the SKA”,
Proceedings "Advancing Astrophysics with the Square Kilometre Array", PoS(AASKA14), in press (arXiv:1412.8749)
Paragi, Z., Godfrey, L., Reynolds, C., Rioja, M., Deller, A., Zhang, B., Gurvits, L., Bietenholz, M., Szomoru, A., Bignall, H.,
Boven, P., Charlot, P., Dodson, R., Frey, S., Garrett, M., Imai, H., Lobanov, A., Reid, M., Ros, E., van Langevelde, H.,
Zensus, J. A., Zheng, X. W., Alberdi, A., Agudo, I., An, T., Argo, M., Beswick, R., Biggs, A. D., Brunthaler, A.,
Campbell, R. M., Cimo, G., Colomer, F., Corbel, S., Conway, J., Cseh, D., Deane, R., Falcke, H., Gabanyi, K.,
Gawronski, M., Gaylard, M., Giovannini, G., Giroletti, M., Goddi, C., Goedhart, S., Gomez, J. L., Gunn, A., Jung, T.-H.,
Kharb, P., Klockner, H.-R., Kording, E., Kovalev, Y. Y., Kunert-Bajraszewska, M., Lindqvist, M., Lister, M., Mantovani,
F., Marti-Vidal, I., Mezcua, M., McKean, J., Middelberg, E., Miller-Jones, J., Moldon, J., Muxlow, T., O'Brien, T.,
Pérez-Torres, M., Pogrebenko, S., Quick, J., Rushton, A. P., Schilizzi, R., Smirnov, O., Sohn, B. W., Surcis, G.,
Taylor, G., Tingay, S., Tudose, V., van der Horst, A., van Leeuwen, J., Venturi, T., Vermeulen, R., Vlemmings, W.,
de Witt, A., Wucknitz, O., Yang, J., 2014
“Very Long Baseline Interferometry with the SKA”,
Proceedings "Advancing Astrophysics with the Square Kilometre Array", PoS(AASKA14), in press (arXiv:1412.5971)
Green, J. A., van Lagnegelde, H. J., Brunthaler, A., Imai, H., Vlemmings, W. H. T., Ellingsen, S., Reid, M., Richards, A. M. S.,
2014, “Maser Astrometry with VLBI and the SKA”,
Proceedings "Advancing Astrophysics with the Square Kilometre Array", PoS(AASKA14), 119 (8 pages)
Chong, S.-N., Imai, H., Diamond, P.J., 2015, “Water Masers in W43A: Early Morphological Changes of a Future Planetary
Nebula”, Astrophys. J., in press
Yoshiura, S., Shimabukuro, H., Takahashi, K., Momose, R., Nakanishi, H., Imai, H., 2015
“Sensitivity for 21cm Bispectrum from Epoch of Reionization”, Mon. Not. R. Astron. Soc., in press
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Stellar Pulsation”, in: Pulsating Stars, Recent Developments in Theory and Observation, eds.,
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Distance of Water Masers in W3 IRS5”, in: Star Formation 1999, ed. T. Nakamoto, NRO, 298--301
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Fine Structure of Water Masers in W3 IRS5”, in: Proceedings of the 33rd ESLAB symposium,
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Imai, H., Watanabe T., Omodaka T., Nishio M., Sasao T., Kameya O., Asaki Y., Nakajima J., 2001,
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Imai, H., Obara K., Diamond P.J., Omodaka T., Sasao T., 2001,
"A Collimated Molecular Jet in W43 A Traced by Water Maser Emission",
in: 2001 Asia-Pacific Radio Science Conference AP-RASC '01, p. 394
Imai, H., Watanabe T., Omodaka T., Nishio M., Kameya O., Sasao T., Asaki Y., Nakajima J., 2002,
“Proper Motions of Water Masers: W51 North, Main, and South”, in: Proceedings of the IAU 206 symposium,
eds. V. Migenes, M. J. Reid, Astronomical Society of the Pacificin, San Francisco, p.92
Imai, H., Obara K., Diamond P.J., Omodaka T., Sasao T., 2002,
“A Collimated Molecular Jet in W 43A Traced by Water Maser Emission”, in: Proceedings of the
IAU 206 symposium, eds. V. Migenes, M. J. Reid, Astronomical Society of the Pacificin,
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Imai, H., Shibata K.M., Marvel K.B., Diamond P.J., Sasao T., Miyoshi M., Inoue M., Migenes V., Murata Y., 2002,
“EXPLORING STELLAR-PULSATION-DRIVEN SHOCK WAVES REVEALED IN THE
KINEMATICS OF WATER MASERS AROUND RT VIRGINIS”, in URSI General Assembly, p.817
Imai, H., Obara K., Diamond P.J., Omodaka T., Sasao T., 2002,
"A Collimated Molecular Jet in W43 A Traced by Water Maser Emission",
in: 6th European VLBI Network Symposium, eds, E. Ros, R.W. Porcas, A.P. Lobanov, J.A.Zensus, p. 215
Imai, H., Shibata K.M., Sasao T., Miyoshi M., Marvel K.B., Diamond P.J.,Migenes V. , Murata Y., 2003,
“Exploring stellar-pulsation-driven shock waves revealed in the kinematics of water masers
around the semiregular variable RT Vir”,
in “MASS-LOSING PULSATING STARS AND THEIR CIRCUMSTELLAR MATTER”, eds.,
Y. Nakada & M. Honma, (Dordrecht: Kluwer), p.313—p.316
Imai, H., Deguchi S., Fujii T., Glass I. S., Ita Y., Izumiura H., Kameya O., Miyazaki A., Nakada Y.,
Nakashima J., 2003, “SiO maser survey towards the stellar cluster at the Galactic Center”,
in “MASS-LOSING PULSATING STARS AND THEIR CIRCUMSTELLAR MATTER”, eds.,
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Imai, H., Obara K., Diamond P.J., Omodaka T., Sasao T., 2003,
"A Collimated Molecular Jet in W43 A Traced by Water Maser Emission",
in: Winds, Bubbles and Explosion, a conference to honour John Dyson, eds. J.Arthur, W.J. Henney,
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Imai, H., 2003, ``EXPLORING STELLAR-PULSATION-DRIVEN SHOCK WAVES REVEALED IN THE
KINEMATICS OF WATER MASERS AROUND RT VIR",
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Imai, H. , Kameya, O., Miyoshi, M., Sasao, T., Deguchi, S., Horiuchi, S., Asaki, Y., 2005,
``Kinematics, Physical Condition, and Magnetic Field of the W3 IRS 5 Region Traced by Water Masers”
in: Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA, ASP Conference
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Imai, H. , Marvel, K. B., Shibata, K. M., Sasao, T., Miyoshi, M., Inoue, M., Diamond, P. J., Migenes, V.,, Murata, Y., 2005,
``The 3-D Kinematics of Water Masers around the Semiregular Variable RT Virginis”
in: Future Directions in High Resolution Astronomy: The 10th Anniversary of the VLBA, ASP Conference Proceedings,
Vol. 340, eds. J. Romney, M. Reid. (Astronomical Society of the Pacific: San Francisco) p.407-409
Imai, H. , Morris, M., Sahai, R. 2007,
“A molecular jet in the pre-planetary nebula IRAS 19134+2131”
in: IAU Symposium 234, Planetary Nebulae in our Galaxy and Beyond, ed. Barlow, M.J. and Mendez, R.H. (Cambridge
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Imai, H. , 2007, ``Stellar molecular jets traced by maser emission”
in Astrophysical Masers and their Environments, IAU Symposium 242, eds., J. Chapman and W. Baan (Cambridge
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Imai, H. , Sahai, R., Morris, M., 2007,
“Distance and kinematics of IRAS 19134+2131 revealed by H2O maser observations”
in: IAU Symposium 248, A Giant Step: From Milli- to Micro-arcsecond Astrometry, eds., W. Jin, I. Platais, and
M.A.C. Perryman (Cambridge University Press: Cambridge), p.200-201
Imai, H. , Diamond, P.J., Nakashima, J., Kwok, S., Deguchi, S. 2008,
“OH maser envelopes of the ‘water fountain’ sources”, in Proc. 9th European VLBI Network Symposium on the Role of
VLBI in the Golden Age for Radio Astronomy and EVN Users Meeting, PoS(IX EVN Symposium), p60—65
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Precision Water Maser Astrometry, in Approaching Micro-Arcsecond Resolution with VSOP-2:
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Imai, H. , Tafoya ,D., and VERA collaboration, 2011,
“Trigonometric parallax measurements of post-AGB stars with VERA”, in Planetary Nebulae – An Eye to the
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Imai, H. , 2013, “Water fountains: bipolar stellar jets traced by water vapor maser emission”,
Proceedings of IAU Symposium 290, eds., C.M. Zhang, T. Belloni, M. Méndez, and S.N. Zhang (Cambridge University
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Imai, H. , 2013, “Hope on GHz-band width signal recording and 100 k-channel spectroscopy for VLBI imaging of astronomical
maser sources”, in NICT IVS Technology Development Center News, 33, 3—5
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