ROSAT archival observations of 1SAX J0054.9-7226 = 2E 0053.2-7242, a newly discovered X-ray pulsar in the SMC

Details ROSAT archival observations of 1SAX J0054.9-7226 = 2E 0053.2-7242, a newly discovered X-ray pulsar in the SMC ROSAT archival observations of 1SAX J0054.9-7226 = 2E 0053.2-7242, a newly discovered X-ray pulsar in the SMC

1998-04-20

arxiv.org/abs/astro-ph/9804186v1

Astronomy and Astrophysics

Astrophysics

4 pages (figures included). Accepted for publication on A&A Letters

Scientific paper

We analysed 13 archival ROSAT PSPC and HRI observations which included the position of a newly discovered 59s X-ray pulsar in the Small Magellanic Cloud, 1SAX J0054.9-7226 = 2E 0053.2-7242. The source was detected three times between 1991 and 1996 at a luminosity level ranging from about 8 x 10^{34} - 4 x 10^{35} erg s^{-1} (0.1-2.4 keV). Highly significant pulsations at 59.072s were detected during the 1991 October 8-9 observation. The ROSAT period, together with those measured by RXTE and BeppoSAX yields a period derivative of Pdot = - 0.016 s yr^{-1}. A much more accurate source position (10 arcsec uncertainty) was obtained through the ROSAT HRI detection on 1996 April restricting to three m_V > 15.5 stars the likely counterpart of 1SAX J0054.9-7226 = 2E 0053.2-7242.

Affiliated with

Also associated with

No associations

Rating

ROSAT archival observations of 1SAX J0054.9-7226 = 2E 0053.2-7242, a newly discovered X-ray pulsar in the SMC does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with ROSAT archival observations of 1SAX J0054.9-7226 = 2E 0053.2-7242, a newly discovered X-ray pulsar in the SMC, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and ROSAT archival observations of 1SAX J0054.9-7226 = 2E 0053.2-7242, a newly discovered X-ray pulsar in the SMC will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-515608