SIMBAD references

2008ApJ...672..504C - Astrophys. J., 672, 504-509 (2008/January-1)

The burst spectra of EXO 0748-676 during a long 2003 XMM-Newton observation.

COTTAM J., PAERELS F., MENDEZ M., BOIRIN L., LEWIN W.H.G., KUULKERS E. and MILLER J.M.

Abstract (from CDS):

Gravitationally redshifted absorption lines from highly ionized iron have been previously identified in the burst spectra of the neutron star in EXO 0748-676. To repeat this detection we obtained a long, nearly 600 ks observation of the source with XMM-Newton in 2003. The spectral features seen in the burst spectra from the initial data are not reproduced in the burst spectra from this new data. In this paper we present the spectra from the 2003 observations and discuss the sensitivity of the absorption structure to changes in the photospheric conditions.

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Journal keyword(s): Stars: Binaries: General - Stars: Individual: Alphanumeric: EXO 0748-676 - Stars: Neutron - X-Rays: Binaries - X-Rays: Bursts

Simbad objects: 1

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