SIMBAD references

1999A&A...346..929I - Astronomy and Astrophysics, volume 346, 929-935 (1999/6-3)

BeppoSAX monitoring of the "anomalous" X-ray pulsar 4U 0142+61.

ISRAEL G.L., OOSTERBROEK T., ANGELINI L., CAMPANA S., MEREGHETTI S., PARMAR A.N., SEGRETO A., STELLA L., VAN PARADIJS J. and WHITE N.E.

Abstract (from CDS):

The 8.7s X-ray pulsar 4U 0142+61 was monitored by BeppoSAX between January 1997 and February 1998. This source belongs to the rapidly growing class of ``anomalous" X-ray pulsars (AXPs) which have pulse periods in the 6-12s range and no plausible optical, infrared or radio counterparts. The BeppoSAX periods measurements show that 4U 0142+61 continues its spin-down at a nearly constant rate of {dot}(P)∼2x10–12s/s. The 0.5-10keV pulse shape is double peaked. The phase-averaged spectrum can be described by a steep absorbed power-law (Γ∼4) plus a blackbody with kT∼0.4keV. 4U 0142+61 was also detected serendipitously in a March 1996 RXTE observation pointed towards the nearby 1455s X-ray pulsar RX J0146.9+6121. The timing analysis results are reported for this observation and the spin history of 4U 0142+61 since 1979 is discussed.

Abstract Copyright:

Journal keyword(s): stars: evolution - stars: neutron - stars: pulsars: individual: 4U 0142+61 - X-rays: stars

CDS comments: 1E 1841-045 incorrect for 1E 1838.6-0459.

Simbad objects: 11

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2021.03.07-03:27:29

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