X-Ray Outburst
Abstract
F. Makino and the Ginga Team, Institute of Space and Astronautical Science, Tokyo, telex: "An x-ray outburst from the region of the sky including Cep X-4 (Ulmer et al. 1973, Ap.J. 184, L117) has been detected since Mar. 18 with the all-sky monitor aboard Ginga. The x-ray intensity obtained by scanning with the large-area counters on Mar. 27 was 0.06 and 0.03 cts s-1 cm-2 at 1-4 and 9-18 keV, respectively. The source is located on a line (of width 0.1 deg) connecting the points R.A. = 21h36m, Decl. = +57.1 deg and R.A. = 21h39m, Decl. = +56.8 deg. The hardness ratio is similar to that of a hard transient. The x-ray intensity increased to about 100 mCrab on Mar. 30."
- Publication:
-
International Astronomical Union Circular
- Pub Date:
- April 1988
- Bibcode:
- 1988IAUC.4575....1M