February 12, 2018: Dr. Koji Mukai (NASA Goddard Space Flight Center) and colleagues have requested AAVSO observations of the WZ Sge type dwarf nova GW Lib in support of observations with the ESA XMM-Newton spaceobservatory scheduled for
2018 February 17 05:46:41 - 21:36:41 UT
September 6, 2017: Further to AAVSO Alert Notices 591, 595, and 596, Dr. Boris Gaensicke (Warwick University) informs us that the date and time for the third and final of three HST observations in his campaign on the pulsating white dwarf-containing cataclysmic variable GW Lib has been scheduled for
2017 Sep 13 23:52:02 to Sep 14 04:30:12 UT.
August 31, 2017: Further to AAVSO Alert Notices 591 and 595, Dr. Boris Gaensicke (Warwick University) informs us that the date and time for the second of three HST observations in his campaign on the pulsating white dwarf-containing cataclysmic variable GW Lib has been scheduled for
2017 Sep 6 22:36:04 to Sep 7 02:49:26 UT.
August 24, 2017: Further to AAVSO Alert Notice 591, Dr. Boris Gaensicke (Warwick University) informs us that the first of three HST observations in his campaign on the pulsating white dwarf-containing cataclysmic variable GW Lib has been scheduled for
2017 Aug 31 20:52:02 to 2017 Sep 1 02:12:21 UTC.
August 7, 2017: Dr. Boris Gaensicke (Warwick University) has requested our help in monitoring the pulsating white dwarf-containing cataclysmic variable GW Lib in preparation for and support of K2 (Kepler's Second Light) and Hubble Space Telescope (HST) observations scheduled for August to November 2017 and August and September 2017, respectively.
K2 will be observing GW Lib non-stop 2017 Aug 23 20:00:00 to 2017 Nov 19 23:00:00 UTC.
April 12, 2007
Rod Stubbings reports via Daisaku Nogami/VSNET that the cataclysmic variable GW Lib is currently in outburst, at a visual magnitude of 13.8. Follow-up observations are urgently requested. The object is located at
RA: 15h 19m 55.4s, Dec: -25d 00m 25s (J2000)
An AAVSO chart is available at the following URL:
http://www.aavso.org/cgi-bin/searchcharts3.pl?name=GW%20Lib]
2016 link: https://www.aavso.org/vsp
April 16, 2015: Further to AAVSO Alert Notice 513, Dr. Paula Szkody (University of Washington) informs us that the HST observations for the cataclysmic variable GW Lib have been scheduled for
2015 April 22 04:04:36 - 09:00:06 UT.
March 18, 2015: Dr. Paula Szkody, University of Washington, has requested our help in monitoring the cataclysmic variable GW Lib for upcoming Hubble Space Telescope observations, scheduled to be made during the window 2015 April 22-25 UT. Dr. Szkody also observed this object with HST in March 2011 and March 2010 (see AAVSO Alert Notices 433 and 417, respectively).
