virtual observatory the cosmos on your desktop · virtual observatory the cosmos on your desktop....
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Virtual Observatory The cosmos on your desktop
Sudhanshu BarwaySouth African Virtual Observatory
(SAAO)
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Virtual Observatory The cosmos on your desktop
Edwin Hubble
Galileo Galilei
The SDSS 2.5-meter telescope
SDSS team - What if we asked the public to participate online?
The SDSS 2.5-meter telescope
SDSS team - What if we asked the public to participate online?
SDSS database – 357 million objects, ~61TB
The SDSS 2.5-meter telescope
SDSS team - What if we asked the public to participate online?
SDSS database – 357 million objects, ~61TB
SDSS DR9 database – 930 million objects, >100TB
While classifying galaxies online, Hanny saw a strange green blob next to a spiral galaxy. “It looked like a dancing frog,” she says.
IC 2497
Hanny’s VoorwerpHST image
Hanny’s Voorwerp
The Age of Large Telescopes
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The Age of Large Telescopes
Large Synaptic Survey Telescope Thirty Meter Telescope
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The Age of Large Telescopes
Extremely Large Telescope Giant Magellan Telescope
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The Age of Large Telescopes
LSST
Location El Peñón, ChileAltitude 2,662.75 m Wavelength 320–1060 nm Built 2014–2021 Diameter 8.360 m Collecting area 35 m²
Camera 32 GigaPixel
Southern Sky Survey 15-second exposure every 20 seconds200,000 pictures = 1.28 petabytes data per year
MACHO2MASSDENISSDSSGOODSPRIMEDPOSSGSC-IICOBE MAPNVSSFIRSTGALEXROSATOGLE LSST...
• Large number of surveys
- multi-TB in size, 100 million objects or more
- individual archives are planned, or under way
• Multi-wavelength view of sky
- more than 13 wavelength coverage in 5 years
• Impressive early discoveries
- finding exotic objects by unusual color
L,T drwaf, high-z quasars, Hanny’s voorwerp
- finding objects by time variability
gravitational microlencing
MACHO2MASSDENISSDSSGOODSPRIMEDPOSSGSC-IICOBE MAPNVSSFIRSTGALEXROSATOGLE LSST...
• Large number of surveys
- multi-TB in size, 100 million objects or more
- individual archives are planned, or under way
• Multi-wavelength view of sky
- more than 13 wavelength coverage in 5 years
• Impressive early discoveries
- finding exotic objects by unusual color
L,T drwaf, high-z quasars, Hanny’s voorwerp
- finding objects by time variability
gravitational microlencing
MACHO2MASSDENISSDSSGOODSPRIMEDPOSSGSC-IICOBE MAPNVSSFIRSTGALEXROSATOGLE LSST...
• Large number of surveys
- multi-TB in size, 100 million objects or more
- individual archives are planned, or under way
• Multi-wavelength view of sky
- more than 13 wavelength coverage in 5 years
• Impressive early discoveries
- finding exotic objects by unusual color
L,T drwaf, high-z quasars, Hanny’s voorwerp
- finding objects by time variability
gravitational microlencing
SALT
HST
Astrogrid WorkbenchAladin
VizieR
Simbad
Datascope
Astroscope
TopcatVOSpec
VOPlot
SPLATSTILTS
EURO-3D
Specview
VisIVO
VOSEDADS
Helioscope
Yafit
Registry
PLASTIC
Web Service
SIA
SSA
VOTable
Astro Runtime
MySpace
Workflow
Open SkyQuery
VOEventNet
Astrogrid WorkbenchAladin
VizieR
Simbad
Datascope
Astroscope
TopcatVOSpec
VOPlot
SPLATSTILTS
EURO-3D
Specview
VisIVO
VOSEDADS
Helioscope
Yafit
Registry
PLASTIC
Web Service
SIA
SSA
VOTable
Astro Runtime
MySpace
Workflow
Open SkyQuery
VOEventNet
representative and by no means complete!
SkySafari 3 Exoplanet HubbleZoomSky View
Google Sky Map Astronomy Picture of the Day Astronomy : Moon
Android market – ~ 350 astronomy applications
Acknowledgements- Much of the text, figures and images has been drawn from articles and presentations given by members of various VO projects and I thank all of them.