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2202+501

Special Notice #210: Request for observations of high-mass X-ray binaries

May 19, 2010: Dr. Gordon Sarty, University of Saskatchewan, Canada, requests our continuing assistance in his ongoing observations of High Mass X-ray Binaries (HMXBs). Dr. Sarty provides the following text for the current request:
 

Alert Notice 377: Request extended to observe HMXBs in support of radial velocity observations

May 2, 2008: Dr. Gordon Sarty, University of Saskatchewan, Canada, has requested our continuing assistance (see AAVSO Alert Notices 348 and 354) in his ongoing radial velocity observations of four High Mass X-ray Binaries (HMXBs). From Dr. Sarty:

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484