Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004atel..289....1h&link_type=abstract
The Astronomer's Telegram, #289
Astronomy and Astrophysics
Astronomy
25
Infra-Red, Optical, X-Ray, Binaries, Neutron Stars, Pulsars, Transients
Scientific paper
We observed the field of the transient 4.74 s X-ray pulsar AX J1841.0-0536, suspected to be a Be/X-ray binary [Bamba et al., PASJ, 53 , 1179 (2001)], with the Chandra ACIS arrays for 20 ks on 2004 May 12. A bright, variable source was detected off-axis on the I3 CCD at (J2000) 18h41m0s.54, - -05°35'46".8. Its spectrum can be fitted with a power law of photon index Γ = 1.35 ± 0.30, column density NH = (6.1 ± 1.0) ×1022 cm-2, and flux F(0.5-10 keV) = 4.2 ×10-12 ergs cm-2 s-1.
Gezari Suvi
Gotthelf Eric Van
Halpern Jules P.
Helfand David J.
Wegner Gary. A.
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