RX J1838.4-0301: an accreting pulsar or coronal X-ray emission?

Details RX J1838.4-0301: an accreting pulsar or coronal X-ray emission? RX J1838.4-0301: an accreting pulsar or coronal X-ray emission?

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...321..835m&link_type=abstract

Astronomy and Astrophysics, v.321, p.835-837

Astronomy and Astrophysics

Astrophysics

12

Pulsars, X-Rays: Stars, Stars: Individual: Rx J1838.4-0301

Scientific paper

The X-ray source RX J1838.4-0301 is of particular interest since it is a possible member of a small subclass of pulsars with anomalous properties. A spectroscopic study of its proposed optical counterpart and a reanalysis of the ROSAT data indicate that the observed optical and X-ray properties, with the exception of the reported ~5 s periodicity (Schwentker 1994), are consistent with coronal emission from an active late type star. In the lack of an independent confirmation, the presence of X-ray pulsations in RX J1838.4-0301 should be considered with caution.

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