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HMXBs

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 354: Extending Request to Observe HMXBs in Support of Radial Velocity Observations

August 13, 2007: AAVSO Alert Notice 348 (issued April 6, 2007) included the request from Dr. Gordon Sarty, University of Saskatchewan, for AAVSO assistance in observing four (4) High Mass X-ray Binaries (HMXBs) in support of his spectroscopic observations with the Dominion Astrophysical Observatory (DAO) 1.85-m Plaskett telescope, in Victoria, BC, Canada. Dr. Sarty has obtained additional observing time on these objects and is requesting our continued assistance over the next several weeks.

Special Notice #220: Request for observations of high-mass X-ray binaries (HMXBs) in support of radial velocity observations

October 20, 2010: Dr. Gordon Sarty, University of Saskatchewan, Canada, requests our continuing assistance (see AAVSO Alert Notices 348, 354, 377, Special Notices 118, 129, 143, 213) in his ongoing observations of High Mass X-ray Binaries (HMXBs). Dr. Sarty provides the following text for the current request:

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