SIMBAD references

1996A&AS..120C.175K - Astron. Astrophys., Suppl. Ser., 120C, 175-178 (1996/December-3)

Absorption features in the hard X-ray spectra of PSR A 0535+26 and Vela X-1.

KRETSCHMAR P., PAN H.C., KENDZIORRA E., KUNZ M., MAISACK M., STAUBERT R., PIETSCH W., TRUEMPER J., EFREMOV V. and SUNYAEV R.

Abstract (from CDS):

We present the results of broad band (2-200keV), pulse-phase-resolved spectral analysis of A0535+26 and Vela X-1, observed by the instruments HEXE and TTM on Mir-KVANT. Both sources show a double peaked pulse profile at energies >10keV with pulses distinctly different in shape. Convincing evidence for cyclotron absorption features has been found for A0535+26, similar features - though less significant - are also found in the Vela X-1 spectra. For both sources these features are pulse phase dependent and occur especially strong in the pulse getting more prominent with increasing energy.

Abstract Copyright: ∼

Journal keyword(s): pulsars: individual: PSR A 0535+26 (AO 0535+26) - pulsars: individual: Vela X-1 - stars: magnetic fields - X-rays: stars

CDS comments: Special Issue "3rd Compton Symposium"

Simbad objects: 2

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