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XTE J1946+274 = GRO J1944+26: An Enigmatic Be/X-ray Binary
Colleen. A. Wilson, Mark. H. Finger, M. J. Coe +1
XTE J1946+274 = GRO J1944+26 is a 15.8 s Be/X-ray pulsar discovered simultaneously in 1998 September with the Burst and Transient Source Experiment (BATSE) on the Compton Gamma Ray…
The Be/X-ray transient KS 1947+300
Ignacio Negueruela, GianLuca Israel, Amparo Marco +2
We present optical spectroscopy and optical and infrared photometry of the counterpart to the transient X-ray source KS 1947+300. The counterpart is shown to be a moderately redden…
Spectroscopic observations of the candidate sgB[e]/X-ray binary CI Cam
R. I. Hynes, J. S. Clark, E. A. Barsukova +12
We present a compilation of spectroscopic observations of the sgB[e] star CI Cam. This includes data from before, during, and after its 1998 outburst. The object shows a rich emiss…
RXJ0806.3+1527: a double degenerate binary with the shortest known orbital period (321s)
G. L. Israel, W. Hummel, S. Covino +13
We carried out optical observations of the field of the X-ray pulsator RXJ0806.3+1527. A blue V=21.1 star was found to be the only object consistent with the X-ray position. VLT FO…
The population of massive X-ray binaries I. The Large Magellanic Cloud
Ignacio Negueruela, Malcolm J. Coe
We present high resolution blue spectroscopy of an almost complete sample of optical counterparts to massive X-ray binaries in the Large Magellanic Cloud (LMC) and derive their spe…