Special Notice #151: Monitoring of the neutron star binary SDSS J102347.68+003841.2 [AY Sex]
AAVSO Special Notice #151
August 18, 2016: Dr. Thomas Marsh (University of Warwick) and colleagues have requested AAVSO coverage of the intriguing binary AR Sco in support of upcoming Newton-XMM observations.
The XMM observations of AR Sco have been scheduled for:
2016 September 10 15:41 - September 11 02:26 UT
December 14, 2012: An international team of astronomers, including Drs.