Special Notice #151: Monitoring of the neutron star binary SDSS J102347.68+003841.2 [AY Sex]
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AAVSO Special Notice #151
Monitoring
binary star
Alert Notice 548: AR Sco observing campaign
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
Alert Notice 474: Multiwavelength campaign on delta Ori (Mintaka)
December 14, 2012: An international team of astronomers, including Drs.