6 Result(s)

Article

EXOSAT observations of the X-ray pulsar 4U1145-619

EXOSAT observations of the X-ray pulsar 4U1145-619 during June and July 1983 and July 1984 confirm that this source shows a regular 187 day outburst cycle in X-rays. The results from pulse timing and X-ray spe...

R. S. Warwick, M. G. Watson, R. Willingale in Space Science Reviews (1985)

Article

A new view of the galactic plane with EXOSAT

A new X-ray image of the galactic plane has been produced using the 45 arcmin square field of view of the Medium Energy Instrument on EXOSAT. This image shows a total of 64 sources including 18 new ones which ...

M. J. L. Turner, R. S. Warwick, M. G. Watson, R. Willingale in Space Science Reviews (1985)

Article

The soft X-ray spectrum of NGC 4151

EXOSAT observations of the Seyfert galaxy NGC 4151 over the period July 1983 to April 1984 have revealed a decreasing flux in the 2 –10 keV band. In accord with previous measurements a power law spectrum atten...

K A Pounds, R S Warwick, J L Culhane, P de Korte in Space Science Reviews (1985)

Article

EXOSAT observations of the BL Lac object Mkn 421

The BL Lac object Mkn 421 was observed by EXOSAT four times over a period of six days in February 1984. Significant X-ray variability was apparent on a timescale of less than a day, but with no accompanying sp...

R. S. Warwick, I. McHardy, K. A. Pounds in Space Science Reviews (1985)

Article

Periodic X-ray outbursts from A0535+26, 2S1145-619 and GX301-2

We report Ariel V(SSI) observations of three X-ray pulsars A0535+26, 2S1145-619 and GX301-2 (2S1223-624). These sources exhibit X-ray outbursts which appear, on the basis of observations extending over ∼ 5 yea...

R. S. Warwick, M. G. Watson, M. R. Sims in Space Science Reviews (1981)

Article

Ultraviolet, optical and X-ray monitoring of the continuum of NGC 4151

G. C. Perola, A. Boksenberg, G. E. Bromage, J. Clavel, M. Elvis… in Space Science Reviews (1981)