Digital Universe Guide - Hayden Planetarium

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172 4. THE EXTRAGALACTIC ATLAS 4.3.4 Equatorial Coordinates Group Name radec Reference — Prepared by Brian Abbott (AMNH/<strong>Hayden</strong>) Labels Yes Files radec.speck Dependencies none The equatorial coordinates trace Earth’s system of latitude and longitude onto the night sky. The brighter blue line is the celestial equator and lies directly above Earth’s equator. A detailed description of the equatorial coordinates can be found in “Equatorial Coordinates Sphere” in the Milky Way Atlas. From outside Earth’s view, the coordinates are rendered as a sphere. The radius of this sphere is 1 megaparsec, coincident with the sphere of stars, the constellations, and the visible Milky Way.
4.3. EXTRAGALACTIC DATA GROUPS 173 4.3.5 Galactic Coordinates Group Name galac Reference — Prepared by Brian Abbott (AMNH/<strong>Hayden</strong>) Labels Yes Files galac.speck Dependencies none The Galactic coordinates are similar to the equatorial coordinates in that they are provided in the Extragalactic Atlas for context. The fundamental plane of the system is defined by the Milky Way’s disk, acting as the Galactic equator in our sky. The Galactic poles point directly out of the plane of the Galaxy. For more information, see “Galactic Coordinates Sphere.”
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The Digital Universe Guide Brian Ab
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Contents Contents 3 List of Tables
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List of Tables 2.1 Log and Linear F
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1.2. GETTING HELP 7 1.2 Getting Hel
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1.5. ACKNOWLEDGMENTS 9 1.5 Acknowle
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2.2. LAUNCHING THE MILKY WAY ATLAS
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2.3. LEARNING TO FLY PARTIVIEW 13 T
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2.3. LEARNING TO FLY PARTIVIEW 15 M
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2.4. PARTIVIEW’S USER INTERFACE 1
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2.5. DIGITAL UNIVERSE FILES 23 File
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3.1. MILKY WAY ATLAS OVERVIEW 25 3.
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3.2. MILKY WAY ATLAS TUTORIAL 27 3.
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3.2. MILKY WAY ATLAS TUTORIAL 29 Wi
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3.2. MILKY WAY ATLAS TUTORIAL 31 Yo
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3.2. MILKY WAY ATLAS TUTORIAL 33 th
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3.2. MILKY WAY ATLAS TUTORIAL 35 Op
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3.2. MILKY WAY ATLAS TUTORIAL 39 co
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3.2. MILKY WAY ATLAS TUTORIAL 41 li
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3.2. MILKY WAY ATLAS TUTORIAL 45 In
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3.2. MILKY WAY ATLAS TUTORIAL 47 No
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3.2. MILKY WAY ATLAS TUTORIAL 49 Th
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3.2. MILKY WAY ATLAS TUTORIAL 51 to
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3.2. MILKY WAY ATLAS TUTORIAL 53 st
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3.2. MILKY WAY ATLAS TUTORIAL 55 th
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3.2. MILKY WAY ATLAS TUTORIAL 57 bi
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3.2. MILKY WAY ATLAS TUTORIAL 59 in
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3.2. MILKY WAY ATLAS TUTORIAL 63 mo
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3.2. MILKY WAY ATLAS TUTORIAL 65 fa
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3.3. MILKY WAY DATA GROUPS 67 Earth
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3.3. MILKY WAY DATA GROUPS 69 Data
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3.3. MILKY WAY DATA GROUPS 71 The l
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3.3. MILKY WAY DATA GROUPS 73 3.3.3
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3.3. MILKY WAY DATA GROUPS 77 If yo
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3.3. MILKY WAY DATA GROUPS 79 lumin
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3.3. MILKY WAY DATA GROUPS 81 not p
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3.3. MILKY WAY DATA GROUPS 83 Two p
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3.3. MILKY WAY DATA GROUPS 85 expre
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3.3. MILKY WAY DATA GROUPS 87 marke
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3.3. MILKY WAY DATA GROUPS 89 brigh
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3.3. MILKY WAY DATA GROUPS 93 inclu
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3.3. MILKY WAY DATA GROUPS 95 old.
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3.3. MILKY WAY DATA GROUPS 97 centi
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3.3. MILKY WAY DATA GROUPS 101 3.3.
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3.3. MILKY WAY DATA GROUPS 103 heat
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3.3. MILKY WAY DATA GROUPS 107 righ
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3.3. MILKY WAY DATA GROUPS 109 beyo
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Page 121 and 122: 3.3. MILKY WAY DATA GROUPS 121 Othe
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Page 141 and 142: 3.3. MILKY WAY DATA GROUPS 141 this
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Page 145 and 146: 4 The Extragalactic Atlas The word
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Page 205 and 206: 4.4. OPTIMIZING THE EXTRAGALACTIC A
Page 207 and 208: Appendix A Light-Travel Time and Di
Page 209 and 210: Appendix B Parallax and Distance On
Page 211 and 212: absolute magnitude M, can be calcul
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Page 215 and 216: Appendix D Electromagnetic Spectrum
Page 217 and 218: Appendix E Constants and Units In a
Page 219 and 220: Metric Prefixes These prefixes are
Page 221 and 222: INDEX 221 center command, 50, 61 cl
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INDEX 223 Earth’s radio signals,
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INDEX 225 irregular galaxy, 147, 17
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INDEX 227 entering, 21 every, 206 j
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INDEX 229 stellar distance uncertai
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Digital Universe Guide - Hayden Planetarium

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