1997A&A...325L...1O

Query : 1997A&A...325L...1O

1997A&A...325L...1O - Astronomy and Astrophysics, volume 325L1-4 (1997/9-1)

A transient supersoft X-ray source in the Large Magellanic Cloud.

ORIO M., DELLA VALLE M., MASSONE G. and OEGELMAN H.

Abstract (from CDS):

We present new X-ray data with an improved position for the supersoft X-ray source RX J0537.7-7034 and propose a candidate for the optical identification. The X-ray source had an "on" and an "off" state and was variable on a time scale of months. The proposed optical counterpart is displaced by only 9 arcsec; it is a blue variable star whith an amplitude modulation in the optical light curve. The optical spectrum shows a blue continuum and the He II λ 4686 emission line.

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Journal keyword(s): Accretion, accretion disks - Stars: binaries: close - white dwarfs - X-rays: stars.

Nomenclature: Table 2: [ODM97] N (Nos 1-5)

Simbad objects: 12

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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 2E 0035.4-7229 XB* 00 37 19.6683991960 -72 14 13.187852739   20.0 20.2     ~ 104 0
2 1ES 0439-68.2 CV* 04 39 49.64 -68 09 01.4   21.5 21.7     Ss 68 0
3 SV* HV 5682 XB* 05 13 50.7835871075 -69 51 47.483214339     16.566 16.606 16.62 ~ 321 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 RX J0537.6-7033 XB* 05 37 43.0 -70 34 15           ~ 33 0
6 [ODM97] 1 CV* 05 37 44.3614769733 -70 33 46.729514276   19.63 19.66     ~ 3 0
7 2E 1550 XB* 05 43 34.1600044704 -68 22 22.191505716   15.9   17.2 16.54 ~ 332 0
8 OGLE LMC-SC20 113500 EB* 05 46 46.5466334000 -71 08 53.755688443     19.163   18.886 ~ 263 0
9 [ODM97] 3 * ~ ~   17.77 17.67     ~ 1 0
10 [ODM97] 5 * ~ ~   15.93 16.00     ~ 1 0
11 [ODM97] 2 * ~ ~   17.91 16.99     ~ 1 0
12 [ODM97] 4 * ~ ~   18.40 18.42     ~ 1 0

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