Digital Universe Guide - Hayden Planetarium

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2 Getting Started If you’re new to the Digital Universe, you will want to read this chapter for an introduction to the Digital Universe data and Partiview, the software used to explore the Atlas. In this chapter we cover: • Installing the Digital Universe. • Launching the Digital Universe. • Working with Partiview’s user interface. • Flying and navigation. 2.1 Installing the Digital Universe Installing the Digital Universe is easy, just follow the instructions below. If you have problems, please email us. 1. Download 1 the installation file for your particular operating system. 2. Unzip the downloaded file if your operating system does not unpack it automatically. (On Mac OS X, the file will appear as a mounted disk on your system.) 3. Optional: Move the resulting Digital Universe folder to any location in your file system. (The download is completely self-contained and does not rely on files outside the newly created folder. This makes uninstalling a matter of throwing out this one folder.) 1 http://www.haydenplanetarium.org/universe/download/ 10
2.2. LAUNCHING THE MILKY WAY ATLAS 11 2.2 Launching the Milky Way Atlas Let’s begin a quick orientation to the Digital Universe by launching the Milky Way Atlas. Follow these instructions for your operating system: For... Double-click or run the file... Windows milkyway.bat Mac OS X milkyway.command Linux milkyway.sh Each file launches Partiview and reads a file called mw.cf, which loads and sets the display for the Milky Way Atlas. Mouse Controls Partiview is designed to function with a three-button mouse, and we recommend using at least a two-button mouse for navigation. If you’re using a Macintosh, be sure the secondary mouse button is enabled in the system preferences. If you’re using a trackpad on a Macintosh laptop, use the Control key along with the mouse button to emulate the right mouse button. (Using a trackpad to fly is difficult, but doable if you are adroit on trackpads.) In this guide, we will use these conventions: left-click to refer to the left-most mouse button. right-click to refer to the right-most mouse button. (Mac: Control + mouse button, or enable secondary button). middle-click to refer to the middle mouse button on a three-button mouse. Beginning to Fly The Milky Way Atlas opens with a view toward the constellation Orion and the bright stars Sirius and Procyon. If you move the mouse in the Graphics Window (where the stars are) while pressing the left mouse button, you will look around the sky (moving your head without moving your feet). Turn the stars off by pressing the g1=stars group button in the upper left and turn on the open clusters (the oc button) and the globular clusters (the gc button). Also turn on the constellation connectivity lines (constel button) so that you know where you are in the sky.
Page 1 and 2: The Digital Universe Guide Brian Ab
Page 3 and 4: Contents Contents 3 List of Tables
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Page 7 and 8: 1.2. GETTING HELP 7 1.2 Getting Hel
Page 9: 1.5. ACKNOWLEDGMENTS 9 1.5 Acknowle
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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 and 24: 2.5. DIGITAL UNIVERSE FILES 23 File
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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 121 Othe
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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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