computing and modern astronomy: the universe …bkent/talks/bkent_openhouse2009.pdfmolecular gas...
TRANSCRIPT
![Page 1: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/1.jpg)
Computing and Modern Astronomy: The Universe at your Fingertips!
Brian R. Kent Jansky Fellow, NRAOhttp://www.cv.nrao.edu/~bkent/
![Page 2: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/2.jpg)
What do these names have in common?
• Ptolemy• Abd al-Rahman al-Sufi• Johann Bayer• John Flamsteed• Charles Messier• J.L.E. Dreyer and William and John Herschel• Henry Draper and Edward Pickering• Annie Jump Cannon• Peter Nillson• Halton Arp• NRAO Scientists
![Page 3: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/3.jpg)
CATALOGS!
Astronomers catalog everything they observe…
![Page 4: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/4.jpg)
Molecular Gas 0.00016
HI + He I 0.00062
Stellar Objects 0.0027
Intracluster Plasma 0.0018
Other (0.005)
Dark Matter (0.23)
Dark Energy (0.72)
Warm IG Plasma0.040
Baryons (0.045)
Makeup of the Universe
Data compiled from Fukugita and Peebles 2004
Most of the baryons are in the IGM…
Baryons
![Page 5: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/5.jpg)
• Stars• Nebulae• Extrasolar Planets• Pulsars• Masers• Dust• Spectral lines (hydrogen and molecules)• Radio Sources• Galaxies and Quasars• Gamma-Ray Bursts• Fluctuations leftover from the Big Bang
![Page 6: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/6.jpg)
![Page 7: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/7.jpg)
Many of these are cataloged and studied with NRAO facilities!
![Page 8: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/8.jpg)
What information do astronomers gather?
As much as they can…
![Page 9: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/9.jpg)
Physical Properties• Highly accurate positions
(astrometry)• Motion (kinematics)• Dynamics (Rotations)• Distances • Sizes (directly or through timing)• Masses• Chemical Composition
(spectroscopy)
![Page 10: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/10.jpg)
What continues to be a major driver in astronomical discoveries?
Computers and Technology!
![Page 11: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/11.jpg)
What are the computers gathering? Astronomy is all about the extremes
• ALMA – 16,000 million million calculations PER SECOND!
• GBT GUPPI – 40.96 millionths of a second sampling time
• SDSS – over 1 million galaxies and quasars
• NVSS – over 1.7 million radio sources• 2MASS – 1.6 million resolved sources
![Page 12: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/12.jpg)
Data source: Historical Notes about the Cost of Hard Drives (2009)
![Page 13: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/13.jpg)
Data source: Historical Notes about the Cost of Hard Drives (2009)
![Page 14: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/14.jpg)
Jorden 2008 (Astrophysics Detector Workshops)
![Page 15: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/15.jpg)
Abazajian et al 2009 and the SDSS Survey
![Page 17: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/17.jpg)
So how can YOU look at the data?
![Page 18: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/18.jpg)
Using an astronomy data service
![Page 19: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/19.jpg)
Thanks and Acknowledgements• Brent Tully / Rick Fisher• NASA• Pat Smiley and the NRAO Image Archive• WMAP Collaboration• Carilli et al.• Schlegel et al.• Braatz et al.• Condon, Cotton, Perley et al.• Australia Telescope National Facility• NASA Public Outreach• HST, Bahcall, Disney, et al. and NASA• Thilker & Braun et al.• Chatterjee et al.• IPAC / Spitzer Space Telescope• John Stoke, Mark Adams, Laurie Clark, and the NRAO gang
![Page 20: Computing and Modern Astronomy: The Universe …bkent/talks/bkent_openhouse2009.pdfMolecular Gas 0.00016 HI + He I 0.00062 Stellar Objects 0.0027 Intracluster Plasma 0.0018 Other (0.005)](https://reader036.vdocuments.mx/reader036/viewer/2022062922/5f0929f67e708231d42587a5/html5/thumbnails/20.jpg)
Now Google Sky…