Exploring the Time Domain With the Catalina Real-Time Transient ...

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CRTS Coverage Map (CSS only) As of the early 2010, over 1200 unique transients discovered Red = SN, Blue = CV, Green = Blazar, Magenta = Other • Discovery rate ~ 1 transient per 10 6 sources detected per epoch • Amplitude threshold deliberately set high, but can be lowered
Some Good Things About CRTS • Real-time processing, detection, and publishing of transients – Builds on the work started in the PQ survey (science & technology) • Added value for the data from the Catalina NEO surveys – Focus on astrophysical transients, a systematic exploration of the time domain, and the computational infrastructure • It is a fully open survey: all data are made public instantly, with no proprietary period at all – Benefits the entire community – Maximizes the follow-up and the resulting science – A new “open data” sociology – the shifting focus from the ownership of data to the ownership of expertise • Public outreach via the Google’s Sky, MSR’s WorldWide Telescope, and “Citizen Science” • Supported by the NSF, NASA, and private gifts
Page 1 and 2: The Eventful Universe NOAO, March 2
Page 3: CSS coverage as of Sep. 2008 http:/
Page 7 and 8: Sample Light Curves Blazar PKS0823+
Page 9 and 10: SkyAlert: Links to the Including th
Page 11 and 12: Annotated Table of Transients http:
Page 13 and 14: Follow-Up Observations: CSS090421:1
Page 15 and 16: CRTS Supernova Discoveries • More
Page 17 and 18: The Unusual SN 2008iy = CSS080928:1
Page 19 and 20: Blazar Flares: A Recent Example CRA
Page 21 and 22: Discovery of a New FU Ori Object 10
Page 23 and 24: Coadded Images From MLS (1.5m) SDSS
Page 25 and 26: Crowdsourcing / Citizen Science Har

Exploring the Time Domain With the Catalina Real-Time Transient ...

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