2001A&A...377..148T


Query : 2001A&A...377..148T

2001A&A...377..148T - Astronomy and Astrophysics, volume 377, 148-155 (2001/10-1)

BeppoSAX survey of Be/X-ray binary candidates.

TORREJON J.M. and ORR A.

Abstract (from CDS):

We present a BeppoSAX survey of five Be/X-ray binary candidates. We report on the identification of two of them, HD 110432 and HD 141926, as low luminosity Be/X-ray binaries. For HD 110432 we report on the detection of a pulsation period of ∼14ks. Because the luminosity of these sources is low and their spectra do not require non-thermal emission models, these systems are good Be+White Dwarf candidates. If the pulsation period for HD 110432 is confirmed, this system would be the most firm Be+WD candidate found up to date. The other three objects HD 65663, HD 249179 and BD+53 2262 did not show detectable X-ray emission. We argue that, while the properties of BD+53 2262 are still consistent with a quiescent Be+Neutron Star scenario, the lack of detection for the other two objects implies that they are most probably not X-ray binaries.

Abstract Copyright:

Journal keyword(s): stars: emission line, Be - X-rays: binaries

Simbad objects: 7

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Number of rows : 7
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 * gam Cas Be* 00 56 42.5317 +60 43 00.265 1.18 2.29 2.39 2.32 2.40 B0.5IVpe 1156 2
2 HD 249179 HXB 05 55 55.0408711373 +28 47 06.429887265   10.11 10.00     B5ne 34 1
3 HD 65663 Be* 07 56 15.7697008 -61 05 57.949993 6.54 6.723 6.730     B8V 44 1
4 HD 110432 Be* 12 42 50.2655719413 -63 03 31.048323668 4.79 5.58 5.31     B0.5IVpe 278 0
5 HD 141926 Be* 15 54 21.7677314365 -55 19 44.309668396 8.71 9.47 9.13 9.38   B2IIIn 61 0
6 BD+53 2262 Em* 19 32 52.3083161965 +53 52 45.472029812   10.38 10.39     ~ 7 0
7 1RXS J193527.8+534546 X 19 35 27.8 +53 45 46           ~ 2 0

    Equat.    Gal    SGal    Ecl

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2021.07.24-14:40:25

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