2004A&A...415L..31D


C.D.S. - SIMBAD4 rel 1.7 - 2020.01.20CET12:39:47

2004A&A...415L..31D - Astronomy and Astrophysics, volume 415, L31-34 (2004/2-4)

Long-term variability in the X-ray emission of RX J0720.4-3125.

DE VRIES C.P., VINK J., MENDEZ M. and VERBUNT F.

Abstract (from CDS):

We detect a gradual, long-term change in the shape of the X-ray spectrum of the isolated neutron star RX J0720.4-3125, such that the spectrum of the source can no longer be described as a blackbody spectrum. The change is accompanied by an energy-dependent change in the pulse profile. If the X-ray emission is influenced by the magnetic field of the pulsar, these changes in spectral shape may point to precession of the neutron star.

Abstract Copyright:

Journal keyword(s): neutron stars - X-rays

Simbad objects: 3

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Number of rows : 3

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 SNR B0102-72.3 SNR 01 04 01.2 -72 01 52           ~ 339 1
2 RX J0720.4-3125 N* 07 20 24.961 -31 25 50.21   26.1   27.0   ~ 275 0
3 RX J1856.6-3754 N* 18 56 35.11 -37 54 30.5     25.7     ~ 383 0

    Equat.    Gal    SGal    Ecl

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2020.01.20-12:39:47

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