PHYSICS 427
INTRODUCTION TO ASTROPHYSICS I
COURSE OUTLINE
VIII. Figures, Tables and
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What is "Astrophysics"
Astronomical Data Sources
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Title
Astronomy and Related Fields
Electromagnetic Spectrum
Constellation List
Interactive Constellation Charts
Northern Constellations
Labeling the Sky
Southern Constellations (1) Southern Constellations (2)
Nomenclature of Astronomical Objects
Astronomical Journals
Astronomical Literature
Major Astronomical Catalogs
and Catalogs
Messier’s Catalog
Coordinate System Definitions
Horizon System
Equatorial System
Ecliptic System
Astronomical Coordinate Systems
Galactic Coordinate System
Astronomical Coordinate System Summary
Position Angle and Separation
Spherical Trigonometric Relations
Julian Date
Julian Date/Inverse Julian Date Calculator
The Equation of Time Plotted
Equation of Time Analemma Over Ancient Nemea (φ = 38º, looking to the west)
Equation of Time (and Solar Position) Calculator
Global Standard Time Zones
Time
Zonal Time
US Time Zones
Daylight Saving Time Start and Finish Dates
Season Animation
Insolation Effect of Varying Noontime Solar Altitude
The Seasons
Duration of the Seasons
The Seasons - 2014
Causal Factors Factors Affecting Apparent Stellar Positions
Absolute
Absolute Determination of Stellar Coordinates and Latitude of
Measurements Observation
Precession Animation
Precessional Path of the North Celestial Pole
Eulerian Angles for Coordinate Precession
Stellar Positions
Precession
Determining the Eulerian Angles
Derivation of m and n for precession
Nutation
Chandler Wobble
Polar Motion
Chandler Wobble Explained(?)
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Refraction
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Stellar Aberration
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Stellar Motion
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Parallaxes from
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Motions
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Color Indices
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Interstellar Extinction & Reddening
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Spectral Types
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A Green Flash from the Sun
An Even Rarer Blue Flash, note the Oblate Shape of the Sun
Rapid Variations in Atmospheric Refraction
Solar "Twinkling" Pattern in an Outdoor Swimming Pool
Solar Twinkling Video
The Laws of Reflection and Refraction (Snell's Law)
Atmospheric Refraction
Aberration of Light
Stellar Parallax
A Few of the Nearest Stars
Proxima Centauri (mv = 11.05)
Stellar Motion Components
Selected Stars of Large Proper Motion
Proper Motions of the Big Dipper Stars
Parallactic + Proper Motion
Solar Motion Corrections to μ and vr
Theory
Moving Cluster Parallax
Hyades' μ Animation
Statistical Parallax Summary
The Weber-Fechner Law
Flux-Apparent Magnitude Relationship
Apparent Magnitudes of Selected Objects
The 26 Brightest Stars
Absolute Magnitudes of Selected Objects
Distance Modulus
Effective Wavelength
Color Indices
UBV Normalized Transmission Functions
Stellar Magnitudes, Colors, Bolometric Corrections and . . .
Sagittarius Star Cloud
Interstellar Reddening & Giant Molecular Cloud Barnard 68
Horsehead Nebula
Stellar Spectral Types: OBAFGKM
Solar Spectrum (medium resolution, Fraunhofer feature labels)
The Solar Spectrum (high res.-echelle spctrgrm-expndble)
High Resolution Solar Spectrum (λλ4000-7000Å, 60Å per strip)
Solar Spectrum, λλ4200-4600Å - high dispersion (expandable)
Solar Spectrum, λλ4600-5000 Å - high dispersion (expandable)
Objective Prism Spectrogram
Spectral Classification Descriptions
Spectral Feature Type Versus Spectral Class
Spectral Classifications: Detailed Criteria
The Henry Draper Classification System
Stellar Mags, Colors, Temperatures and . . . for Normal Stars
F5 Luminosity Sequence
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The HR Diagram
The Stellar Luminosity
Function, φ(M)
Telescopes
General
H-R Diagram of the Nearest and Brightest Stars
Simplified HR-Diagram of 20000 Stars within 1000 pc
The H-R or Color-Magnitude Diagram
Main Sequence Spectral Types, Temps and B-V Indices
Stellar Sizes and the HR Diagram
Stellar Luminosity Classes
APOD: 2001 February 23 - M55 Color Magnitude Diagram
Cluster Color-Magnitude Diagrams
Regions of Variability in the HR-Diagram
Measures of Stellar Atmospheric Temperature
Nearest Star Luminosity Function
Brightest Star Luminosity Function
Stellar Luminosity Function
Luminosity Function from the Fndmntl Eqtn of Stellar Statistics
Stellar Luminosity Fnctn, Emission Function and Star Density
Luminosity Function Versus Stellar Classification
The Kapetyn Universe before and after Extinction Corrections
Some Interesting Luminosity Function Conclusions
The Functions of a Telescope
Limiting Magnitudes of Telescopes
The Laws of Reflection and Refraction (Snell's Law)