Digital Universe Guide - Hayden Planetarium

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3 The Milky Way Atlas The Milky Way, our home Galaxy, is a large concentration of gas, dust, and a few hundred billion stars. Our star, the Sun, is one among them. The Milky Way is called a spiral galaxy for its spiral arms, where much of the gas is concentrated. After an overview of the data groups, we will lead you through the Milky Way Atlas in a series of self-guided tutorials, then provide a reference for each data group. end figure. 24
3.1. MILKY WAY ATLAS OVERVIEW 25 3.1 Milky Way Atlas Overview The Milky Way Atlas represents, in two and three dimensions, scientific information spanning everything from the presence of infrared radiation to the locations of exoplanets (stars that have planetary systems). Each of these elements is represented by a single data group in Partiview, defined and given a name by the object command in the mw.cf file. These names are then displayed in the Group Menu and on the Group Buttons in the Partiview user interface. Table 3.1 – Milky Way Atlas data groups. Refer to the associated page number for a detailed description for each group. Group See Name Page Description stars 66 The observed stars altLbl 72 Greek (Bayer) and Flamsteed star names err 73 Stellar distance uncertainty constel 75 Constellation connectivity lines nearstars 78 Lépine-Shara proper motion star catalog dwarfs 80 L and T dwarf catalog expl 82 Extrasolar planets oc 84 Open star clusters ob 86 OB associations gc 88 Globular star clusters pul 91 Pulsars pn 94 Planetary nebulae h2 96 Star-forming clouds (a.k.a. H ii Regions) snr 99 Supernova remnants oricl 101 Orion Nebula star cluster orineb 102 Orion Nebula model oort 105 Oort Cloud sphere radec 106 Equatorial (RA/Dec) coordinates sphere & Radio sphere eclip 108 Ecliptic coordinates sphere galac 110 Galactic coordinates sphere Continued on next page.
Page 1 and 2: The Digital Universe Guide Brian Ab
Page 3 and 4: Contents Contents 3 List of Tables
Page 5 and 6: List of Tables 2.1 Log and Linear F
Page 7 and 8: 1.2. GETTING HELP 7 1.2 Getting Hel
Page 9 and 10: 1.5. ACKNOWLEDGMENTS 9 1.5 Acknowle
Page 11 and 12: 2.2. LAUNCHING THE MILKY WAY ATLAS
Page 13 and 14: 2.3. LEARNING TO FLY PARTIVIEW 13 T
Page 15 and 16: 2.3. LEARNING TO FLY PARTIVIEW 15 M
Page 17 and 18: 2.4. PARTIVIEW’S USER INTERFACE 1
Page 23: 2.5. DIGITAL UNIVERSE FILES 23 File
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3.3. MILKY WAY DATA GROUPS 75 3.3.4
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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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3.3. MILKY WAY DATA GROUPS 121 Othe
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3.3. MILKY WAY DATA GROUPS 123 abou
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3.3. MILKY WAY DATA GROUPS 125 Obje
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3.3. MILKY WAY DATA GROUPS 141 this
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3.3. MILKY WAY DATA GROUPS 143 Not
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4 The Extragalactic Atlas The word
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4.1. EXTRAGALACTIC ATLAS OVERVIEW 1
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4.2. EXTRAGALACTIC ATLAS TUTORIAL 1
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4.3. EXTRAGALACTIC DATA GROUPS 169
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4.4. OPTIMIZING THE EXTRAGALACTIC A
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Appendix A Light-Travel Time and Di
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Appendix B Parallax and Distance On
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absolute magnitude M, can be calcul
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discovered that there was a linear
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Appendix D Electromagnetic Spectrum
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Appendix E Constants and Units In a
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Metric Prefixes These prefixes are
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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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