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Query : 2013MNRAS.434.2696S |
2013MNRAS.434.2696S - Mon. Not. R. Astron. Soc., 434, 2696-2706 (2013/September-3)
Evidence for quiescent synchrotron emission in the black hole X-ray transient Swift J1357.2-0933.
SHAHBAZ T., RUSSELL D.M., ZURITA C., CASARES J., CORRAL-SANTANA J.M., DHILLON V.S. and MARSH T.R.
Abstract (from CDS):
The quiescent optical to mid-infrared spectral energy distribution (SED) in quiescence is dominated by a non-thermal component with a power-law index of -1.4 (the broad-band rms SED has a similar index) which arises from optically thin synchrotron emission most likely originating in a weak jet; the lack of a peak in the SED rules out advection-dominated models.
Using the outburst amplitude-period relation for X-ray transients, we estimate the quiescent magnitude of the secondary star to lie in the range Vmin = 22.7-25.6, which when combined with the absolute magnitude of the expected M4.5 V secondary star allows us to constrain the distance to lie in the range 0.5-6.3kpc. The short orbital period argues for a nuclearly evolved star with an initial mass ∼ 1.5M☉, which has evolved to a 0.17M☉ star. The high Galactic latitude of Swift J1357.2-0933 implies a scaleheight in the range 0.4-4.8kpc above the Galactic plane, possibly placing Swift J1357.2-0933 in a sub-class of high-z short-period black hole X-ray transients in the Galactic halo.
Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)
Journal keyword(s): accretion, accretion discs - binaries: close - stars: individual: Swift J1357.2-0933
Simbad objects: 10
Number of rows : 10 |
N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | V* V518 Per | HXB | 04 21 42.7227473352 | +32 54 26.939156184 | 13.00 | 13.50 | 13.2 | M4.5V | 651 | 1 | ||
2 | 1A 0620-00 | HXB | 06 22 44.5423857312 | -00 20 44.290460544 | 10.60 | 11.40 | 11.2 | K3V-K7V | 1113 | 0 | ||
3 | V* KV UMa | HXB | 11 18 10.7930420496 | +48 02 12.314730120 | 12.25 | K5V-M1V | 822 | 0 | ||||
4 | V* GU Mus | HXB | 11 26 26.5961559600 | -68 40 32.877752952 | K3V-K7V | 715 | 1 | |||||
5 | SDSS J135716.43-093140.1 | * | 13 57 16.4432097360 | -09 31 40.076791680 | ~ | 4 | 0 | |||||
6 | CRTS J135716.8-093238 | HXB | 13 57 16.8357790008 | -09 32 38.796487512 | M4.5V | 170 | 0 | |||||
7 | V* V381 Nor | HXB | 15 50 58.6637920704 | -56 28 35.258385000 | 17.95 | 16.6 | K3III | 1173 | 0 | |||
8 | V* V1033 Sco | HXB | 16 54 00.137 | -39 50 44.90 | 15.20 | 14.2 | 16.14 | F5IV | 1887 | 1 | ||
9 | MAXI J1659-152 | LXB | 16 59 01.680 | -15 15 28.73 | ~ | 251 | 0 | |||||
10 | 2MAXI J1753-013 | LXB | 17 53 28.2898766424 | -01 27 06.256555272 | 15.30 | 16.73 | 16.46 | 16.15 | 15.64 | ~ | 364 | 0 |
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