2003ApJ...586.1262H


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.16CEST11:26:02

2003ApJ...586.1262H - Astrophys. J., 586, 1262-1267 (2003/April-1)

High-frequency quasi-periodic oscillations in the black hole X-ray transient XTE J1650-500.

HOMAN J., KLEIN-WOLT M., ROSSI S., MILLER J.M., WIJNANDS R., BELLONI T., VAN DER KLIS M. and LEWIN W.H.G.

Abstract (from CDS):

We report the detection of high-frequency variability in the black hole X-ray transient XTE J1650-500. A quasi-periodic oscillation (QPO) was found at 250 Hz during a transition from the hard to the soft state. We also detected less coherent variability around 50 Hz that disappeared when the 250 Hz QPO showed up. There are indications that when the energy spectrum hardened the QPO frequency increased from ∼110 to ∼270 Hz, although the observed frequencies are also consistent with being 1:2:3 harmonics of each other. Interpreting the 250 Hz as the orbital frequency at the innermost stable orbit around a Schwarzschild black hole leads to a mass estimate of 8.2 M. The spectral results by Miller et al., which suggest considerable black hole spin, would imply a higher mass.

Abstract Copyright:

Journal keyword(s): Black Hole Physics - Stars: Individual: Alphanumeric: XTE J1650-500 - Stars: Oscillations - X-Rays: Binaries - X-Rays: Stars

Simbad objects: 8

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Number of rows : 8

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 V* V381 Nor HXB 15 50 58.6520652623 -56 28 35.309070422   17.95 16.6     K3III 1062 0
2 X Nor X-1 LXB 16 34 01.610 -47 23 34.80           ~ 438 0
3 [GHJ2008] 3 HXB 16 50 00.980 -49 57 43.60     11.89     K4V 358 0
4 V* V1033 Sco HXB 16 54 00.137 -39 50 44.90   15.20 14.2 16.14   F5IV 1751 1
5 V* V821 Ara HXB 17 02 49.3810714542 -48 47 23.163091737 16.20 16.30 15.5     ~ 1826 0
6 V* V406 Vul HXB 18 58 41.580 +22 39 29.40 15.00 15.65 15.31     G5V-K0V 326 0
7 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2361 0
8 HD 226868 HXB 19 58 21.6758193269 +35 12 05.782512305 9.38 9.72 8.91 8.42   O9.7Iabpvar 3997 0

    Equat.    Gal    SGal    Ecl

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2021.04.16-11:26:02

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