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U Gem

Special Notice #319: HST COS observing SDSS J093249.57+472523.0 2013 January 11-12

January 4, 2013: Further to AAVSO Alert Notice 471 (www.aavso.org/aavso-alert-notice-471) and AAVSO Special Notice #317 (www.aavso.org/aavso-special-notice-317), HST COS is scheduled to observe the U Gem-type cataclysmic variable

                    SDSS J093249.57+472523.0   on  2013 January 11 21:18:00 through January 12 02:57:19 UT

Alert Notice 475: Monitoring of the dwarf nova U Geminorum in support of HST observations

December 22, 2012: As announced by Dr. Matthew Templeton (AAVSO) in AAVSO Special Notice #316 (www.aavso.org/aavso-special-notice-316), Dr. Michael Shara (American Museum of Natural History, Columbia University) has requested dense coverage of the dwarf nova U Gem in support of HST Cosmic Origins Spectrograph (COS) observations scheduled for now through February 20, 2013.

U Geminorum

 

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