2004A&A...418..271M


Query : 2004A&A...418..271M

2004A&A...418..271M - Astronomy and Astrophysics, volume 418, 271-274 (2004/4-4)

Optical CCD photometry of the microquasar LS 5039.

MARTI J., LUQUE-ESCAMILLA P., GARRIDO J.L., PAREDES J.M. and ZAMANOV R.

Abstract (from CDS):

We report optical CCD observations of the microquasar LS 5039. Its photometric behaviour is studied over different orbital periods with a time separation of three years. We do not detect evidences of an ellipsoidal modulation above the ±0.01mag level, thus confirming the previous results reported by Clark et al. (2001A&A...376..476C). The light curve of LS 5039 has also been explored with a time resolution of 30s but the source also appears to be stable on such shorter time scales. Possible scenarios consistent with the non-detection of optical variability are considered.

Abstract Copyright:

Journal keyword(s): stars: individual: LS 5039 (RX J1826.2-1450) - X-rays: binaries - radio continuum: stars

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 TYC 5702-857-1 * 18 26 06.1428760820 -14 51 33.672587718   11.24 9.99 9.951   ~ 2 0
2 TYC 5702-731-1 * 18 26 08.8941834264 -14 49 38.956797876   12.41 11.42     ~ 2 0
3 USNO-A2.0 0750-13157934 * 18 26 11.9540011752 -14 51 12.439076220   14.6 13.7     ~ 2 0
4 V* V479 Sct HXB 18 26 15.0561548880 -14 50 54.247274304 12.02 12.23 11.27 11.04   ON6V((f))z 534 2
5 USNO-A2.0 0750-13170022 * 18 26 27.4809993720 -14 49 22.045525500   13.5 12.4     ~ 2 0

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2022.08.09-04:17:36

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