Proposal 11069 (STScI Edit Number: 1, Created: Monday, January 22, 2007 9:46:02 PM EST) - Overview
11069 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Cycle: 15, Proposal Category: GO/DD
(Availability Mode: SUPPORTED)
INVESTIGATORS
Name
Dr. Matthew J. Holman (PI)
Dr. Gaspar A. Bakos (CoI) (Contact)
Dr. Dimitar D. Sasselov (CoI)
Dr. David Charbonneau (CoI)
Dr. Robert W. Noyes (CoI)
Dr. Ronald L. Gilliland (CoI)
Institution
Smithsonian Institution Astrophysical Observatory
Smithsonian Institution Astrophysical Observatory
Harvard University
Harvard University
Smithsonian Institution Astrophysical Observatory
Space Telescope Science Institute
E-Mail
mholman@cfa.harvard.edu
gbakos@cfa.harvard.edu
sasselov@cfa.harvard.edu
dcharbonneau@cfa.harvard.edu
noyes@cfa.harvard.edu
gillil@stsci.edu
VISITS
Visit Targets used in Visit
Configurations used in Visit
Orbits Used Last Orbit Planner Run
01
(1) HAT-P-1
ACS/HRC
5
22-Jan-2007 21:44:34.0
OP Current
with Visit?
yes
02
(1) HAT-P-1
ACS/HRC
5
22-Jan-2007 21:45:48.0
yes
10 Total Orbits Used
ABSTRACT
The HATNet project has just discovered a transiting planet that is an extremely promising target for reflected light observations (Bakos et al. 2006).
HAT-P-1, with orbital period P_orb = 4.46529 days, mass M_p=0.53 +/- 0.04 M_Jup, and radius R_p=1.38 +/- 0.10 R_Jup, has a density that is even
lower than that of the anomalous case of HD 209458b. Its large size and small semimajor axis enhance the fraction of stellar flux it reflects.
Proposal 11069 (STScI Edit Number: 1, Created: Monday, January 22, 2007 9:46:02 PM EST) - Overview
Furthermore, HAT-P-1 orbits one component of a wide binary (ADS 16402A and ADS 16402B are G0V stars with 11.2" at 1.39 pc), making this an
ideal target for ultra-precise differential photometry. Therefore, we propose ACS/HRC slitless grism photometry near times of its secondary eclipse
to make the first detection of reflected light from an extrasolar planet.
Holman and Bakos are co-PIs on this proposal.
OBSERVING DESCRIPTION
10 orbits of ACS/HRC observations are used in two 5 orbit visits. High S/N observations
with the G800L grism will be obtained in time series. The third and fourth orbits will be timed
to coincide with secondary eclipse, while orbits two and five will be used to establish the
out of eclipse intensity as the control. We conservatively assume that the first orbit
will show the characteristic incorrigible systematic errors seen in other similar high S/N
HST applications.
To cover first order spectra and zeroth order image of both stars separated by 11.2 arcsec
required use of the full HRC (HRC512 used for similar experiments would not suffice; with
roll orients use of a 1024x512 subarray would still work).
The spectra obtained here will be saturated in order to overcome the low duty cycle
that for these bright objects would be associated with unsaturated spectra.
Adopting times of 88s for G800L exposures, which allows 20 per orbit yields 3e9 electrons
detected per orbit.
The brighter (10.0) star will be used as a photometric control for the target (10.4) star resulting
in a net differential (eclipse to control orbits, and target to control star) precision per visit
of 2.36e-5.
2
Proposal 11069 (STScI Edit Number: 1, Created: Monday, January 22, 2007 9:46:02 PM EST) - Overview
ADDITIONAL COMMENTS
The visits will need to be centered on secondary eclipses, thus the use of relatively stringent
phasing requirements. The five orbits of each visit need to be contiguous and the visibility
windows free of SAA impacts.
3
Proposal 11069, Visit 01, implementation
Diagnostic Status: No Diagnostics
Scientific Instruments: ACS/HRC
Special Requirements: ORIENT 45.0D TO 190.0 D; ORIENT 215.0D TO 360.0 D; Period 4.46529 D AND ZERO-PHASE JD2453984.397
Comments: First of two visits. The five orbits need to be scheduled contiguously and free of SAA
interupts during visibility window.
#
Name
Target Coordinates
Targ. Coord. Corrections
Fluxes
(1)
HAT-P-1
RA: 22 57 46.3540 (344.4431417d)
Proper Motion RA: 0.0022s/yr
V=10.4
Dec: +38 40 28.11 (38.67448d)
Proper Motion Dec: -0.052"/yr
Equinox: J2000
Epoch of Position: 2000.0
Comments: This object was generated by the targetselector and retrieved from the SIMBAD database.
Adopting name of ADS-16402AB which is the average coordinates for components A and B
in order to keep both within the field of view at arbitrary orient.
#
Label
Target
Config,Mode,Aperture
Spectral Els.
Opt. Params.
Special Reqs.
Groups
1
(1) HAT-P-1
ACS/HRC, ACCUM, HRC-FIX
F435W
GAIN=4;
POS TARG 1.5,-2;
CR-SPLIT=NO
PHASE 0.449 TO 0.
473
2
(1) HAT-P-1
ACS/HRC, ACCUM, HRC-FIX
G800L
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures
Fixed Targets
Visit
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
4
Tue Jan 23 02:46:03 GMT 2007
Miscellaneous
Reference Frame: SIMBAD
Exp. Time/[Actual Dur.]
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88.0 Secs X 18
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Orbit
[1]
[1]
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
3
5
Groups
Exp. Time/[Actual Dur.]
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Orbit
[2]
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
4
6
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
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Orbit
[3]
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
5
7
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
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[==>(Copy 20)]
Orbit
[4]
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
6
8
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
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Orbit
[5]
Orbit Structure
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
9
Orbit Structure (continued)
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
10
Orbit Structure (continued)
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
11
Orbit Structure (continued)
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
12
Orbit Structure (continued)
Proposal 11069 - Visit 01 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
13
Proposal 11069, Visit 02, implementation
Diagnostic Status: No Diagnostics
Scientific Instruments: ACS/HRC
Special Requirements: ORIENT 45.0D TO 190.0 D; ORIENT 215.0D TO 360.0 D; Period 4.46529 D AND ZERO-PHASE JD2453984.397
Comments: First of two visits. The five orbits need to be scheduled contiguously and free of SAA
interupts during visibility window.
#
Name
Target Coordinates
Targ. Coord. Corrections
Fluxes
(1)
HAT-P-1
RA: 22 57 46.3540 (344.4431417d)
Proper Motion RA: 0.0022s/yr
V=10.4
Dec: +38 40 28.11 (38.67448d)
Proper Motion Dec: -0.052"/yr
Equinox: J2000
Epoch of Position: 2000.0
Comments: This object was generated by the targetselector and retrieved from the SIMBAD database.
Adopting name of ADS-16402AB which is the average coordinates for components A and B
in order to keep both within the field of view at arbitrary orient.
#
Label
Target
Config,Mode,Aperture
Spectral Els.
Opt. Params.
Special Reqs.
Groups
1
(1) HAT-P-1
ACS/HRC, ACCUM, HRC-FIX
F814W
GAIN=4;
POS TARG 1.5,-2;
CR-SPLIT=NO
PHASE 0.449 TO 0.
473
2
(1) HAT-P-1
ACS/HRC, ACCUM, HRC-FIX
G800L
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures
Fixed Targets
Visit
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
14
Tue Jan 23 02:46:08 GMT 2007
Miscellaneous
Reference Frame: SIMBAD
Exp. Time/[Actual Dur.]
0.5 Secs
[==>]
88.0 Secs X 18
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Orbit
[1]
[1]
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
3
15
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
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Orbit
[2]
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
4
16
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
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Orbit
[3]
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
5
17
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
[==>(Copy 1)]
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Orbit
[4]
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
Label
Target
(1) HAT-P-1
Config,Mode,Aperture
ACS/HRC, ACCUM, HRC-FIX
Spectral Els.
G800L
Opt. Params.
Special Reqs.
AUTOIMAGE=NO; POS TARG 1.5,-2
CR-SPLIT=NO;
GAIN=4
Exposures (continued)
#
6
18
Groups
Exp. Time/[Actual Dur.]
88.0 Secs X 20
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Orbit
[5]
Orbit Structure
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
19
Orbit Structure (continued)
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
20
Orbit Structure (continued)
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
21
Orbit Structure (continued)
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
22
Orbit Structure (continued)
Proposal 11069 - Visit 02 - HAT-P-1: A Direct Glimpse into the Atmophere of a Hot Jupiter
23