A Note on the Discovery of Absorption Features in 1E 1207.4-5209

Chin. Phys. Lett.

2003, Vol. 20

Issue (2): 314-316 DOI:

Original Articles

A Note on the Discovery of Absorption Features in 1E 1207.4-5209

XU Ren-Xin^1,2;WANG Hong-Guang²;QIAO Guo-Jun²

¹National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 ²Astronomy Department, School of Physics, Peking University, Beijing 100871

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XU Ren-Xin, WANG Hong-Guang, QIAO Guo-Jun 2003 Chin. Phys. Lett. 20 314-316

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Abstract Sanwal et al. [Astrophys. J. 574 (2002) L61] supposed that it is very difficult to interpret the absorption features in terms of cyclotron lines. However, we would like to address here that the possibility of the absorption being cyclotron resonance cannot be ruled out. We propose that the isolate neutron star, 1E 1207.4-5209 in the center of supernova remnant PKS 1209-51/52, has a debris disk and is in a propeller phase, with an accretion rate ～ 6 x 10^-11M/year. In this scenario, 1E 1207.4-5209 could also be a bare strange star.

Keywords: 97.60.Gb 97.60.Jd 97.60.Sm

Published: 01 February 2003

PACS:	97.60.Gb	(Pulsars)
	97.60.Jd	(Neutron stars)
	97.60.Sm

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I2/0314

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