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| Query : 2001MNRAS.324..623C |
2001MNRAS.324..623C - Mon. Not. R. Astron. Soc., 324, 623-627 (2001/July-1)
Optical studies of two Large Magellanic Cloud X-ray transients: RX J0544.1-7100 and RX J0520.5-6932.
COE M.J., NEGUERUELA I., BUCKLEY D.A.H., HAIGH N.J. and LAYCOCK S.G.T.
Abstract (from CDS):
We report observations that confirm the identities of the optical counterparts to the transient sources RX J0544.1-7100 and RX J0520.5-6932. The counterparts are suggested to be B-type stars. Optical data from the observations carried out at ESO and SAAO, together with results from the OGLE data base, are presented. In addition, X-ray data from the RXTE All-Sky Monitor are investigated for long-term periodicities. A strong suggestion for a binary period of 24.4d is seen in RX J0520.5-6932 from the OGLE data.
Abstract Copyright: The Royal Astronomical Society
Journal keyword(s): binaries: general - stars: emission-line, Be - pulsars: general - infrared: stars - X-rays: stars
Simbad objects: 12
| Number of rows : 12 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | V* V635 Cas | HXB | 01 18 31.9704955824 | +63 44 33.072603144 | 17.05 | 16.64 | 15.19 | 14.34 | 13.22 | B0.2Ve | 791 | 0 |
| 2 | [HP99] 946 | Be* | 05 20 30.9009 | -69 31 54.999 | 14.41 | 14.40 | O8e | 72 | 0 | |||
| 3 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 19090 | 0 | ||||
| 4 | QSO J0525-3343 | Bla | 05 25 06.1749810960 | -33 43 05.643939828 | 18.50 | 18.5 | ~ | 62 | 1 | |||
| 5 | * ups Ori | SB* | 05 31 55.8599595648 | -07 18 05.535884975 | 3.30 | 4.36 | 4.63 | 4.75 | 5.01 | O9.7V | 426 | 0 |
| 6 | 1A 0535-668 | HXB | 05 35 40.9970566152 | -66 51 53.547559416 | 15.036 | 15.138 | B2IIIe | 302 | 0 | |||
| 7 | RX J0544.1-7100 | HXB | 05 44 05.2035514728 | -71 00 50.782002660 | 14.598 | 15.292 | 15.235 | 15.220 | B0Ve | 26 | 0 | |
| 8 | QSO B1026-084 | Bla | 10 28 38.79646593 | -08 44 38.5362663 | 21.00 | 19.6 | ~ | 77 | 1 | |||
| 9 | RX J1428.5+4240 | BLL | 14 28 32.6090008440 | +42 40 21.048123396 | 16.95 | 16.45 | 14.4 | ~ | 549 | 1 | ||
| 10 | 7C 1428+4218 | Bla | 14 30 23.74163471 | +42 04 36.4910561 | 24.43 | 22.04 | 20.2 | ~ | 157 | 1 | ||
| 11 | HD 161103 | HXB | 17 44 45.7656635952 | -27 13 44.478959340 | 8.44 | 9.23 | 9.13 | 9.12 | B0.5III/IVe | 95 | 0 | |
| 12 | PKS J2158-3013 | BLL | 21 58 52.0652249880 | -30 13 32.118447792 | 13.36 | 13.09 | 12.62 | ~ | 1829 | 1 |
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