Aquila X-1
Abstract
S. S. Holt and L. J. Kaluzienski, Laboratory for High Energy Astrophysics, Goddard Space Flight Center, report the confirmation of flaring activity in Aql X-1 = 3U 1908+00 from the Ariel 5 all-sky monitor. Following a private communication from M. Watson, University of Leicester, that the Ariel 5 sky survey instrument showed an increase in intensity over a few days up to a level of 0.15 times the Crab on Jan. 9, the all-sky monitor data were interrogated from the appearance of Aql X-1 at the edge of the experiment field of view on Jan. 12. Data obtained during Jan 12-15 are consistent with a constant source intensity of 0.3 times the Crab, at least three times less than the extended maxima of the flaring episodes of June 1975 and June 1976 (cf. IAUC 2788, 2965).
- Publication:
-
International Astronomical Union Circular
- Pub Date:
- January 1977
- Bibcode:
- 1977IAUC.3031....2H