SIMBAD references

2000ApJ...542L..49V - Astrophys. J., 542, L49-L52 (2000/October-2)

Detection of a compact X-ray source in the supernova remnant G29.6+0.1: a variable anomalous X-ray pulsar?


Abstract (from CDS):

We present follow-up observations of the serendipitously discovered 7 s X-ray pulsar AX J1845-0258, which displays characteristics similar to those observed in the anomalous X-ray pulsars (AXPs). We find a dramatic reduction in its 3-10 keV flux in both new ASCA and Rossi X-Ray Timing Explorer data sets. Within the pulsar's position error locus, we find a faint point source, AX J184453-025640, surrounded by an arc of diffuse X-ray emission. This arc is coincident with the southeast quadrant of the radio shell of the newly discovered supernova remnant G29.6+0.1, recently reported by Gaensler et al. Lack of sufficient flux from the source prevents us from confirming the 7 s pulsed emission observed in the bright state; hence, at present we cannot definitively resolve whether AX J1845-0258 and AX J184453-025640 are one and the same. If they are the same, then the peak-to-peak luminosity changes recorded for AX J1845-0258 may be larger than seen in other AXPs; closer monitoring of this pulsar might lead to a resolution on the mechanism that drives AXPs.

Abstract Copyright:

Journal keyword(s): ISM: Individual: Alphanumeric: G29.6+0.1 - Stars: Pulsars: Individual: Alphanumeric: AX J1845-0258 - Stars: Individual: Alphanumeric: AX J184453-025640 - Stars: Neutron

CDS comments: 1E 1851-045 = 1E 1838-04.9, AX J1845-0258 = PSR J1845-0258, AX J184453-025640 = AX J1844.8-0256

Simbad objects: 15

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