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Name
  LMC V0681  
AAVSO UID
000-BKN-787 (No observations)  
Constellation
Mensa Sequence
J2000.0
05 01 23.84 -70 33 33.9  (75.34932 -70.55941) Search nearby
B1950.0 05 01 53.76 -70 37 46.1
Proper motion
RA: -7.9 +/- 5.2 mas/yDec: -4.6 +/- 8.7 mas/ySource: UCAC4
Galactic coord. 281.935 -34.528
Other names

(Internal only)
ASASSN-V J050123.95-703334.2 CAL 9 HV 2289
LPH035 RX J0501.6-7034 USNO-B1.0 0194-0059726
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Variability type
HMXB
Spectral type B0e
Mag. range
14.98 - ? V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: The red variable EROS2 lm0550m16210 is only 2" away.
2 Graham, Keith Position from 2002AJ....123..855Z. Spectral type from 1984ApJ...286..196C = 08e. Spectral type from 1985AJ.....90...43C = B0e. Spectral type from 2002A&A...385..517N = B0Ve. Most astrometric catalogues measured a blend of the Be star and a red star 2" apart (UCAC3 039-012562; 05 01 24.23 -70 33 34.3). The red star has V= 16.5 and B-V= 1.4 and it is variable according to EROS2. Since variability recorded in the literature is for the blend, it is not certain that the HMXB is variable in the optical, although that is very likely.
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References
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1 Morel, M., 2020, Updated positions for the LMC II 4801 GCVS stars, VSS
Newsletter 2020-3 (July 2020)
--
2 Samus, N. N.; et al., 2017, General catalogue of variable stars: Version
GCVS 5.1. Extragalactic Variable Stars. Catalogue (Vol. V)
2017ARep...61...80S
3 Schmidtke P.C., et.al.,1994,LMC stellar X-ray sources observed with ROSAT :
I. X-ray data and search for optical counterparts.
1994PASP..106..843S
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 13.98H = 13.17K = 13.06J - K = 0.91
AllWISE W1 = 12.67W2 = 12.77W3 = 12.07W1 - W2 = -0.10
Images
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Supporting Documents
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Stellar Association Membership
 LMC Large Magellanic Cloud
Campaigns/Programs
 Photometry of HMXBs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Morel, Mati 2021-05-03 12:30 UTC Gaia DR2 position.
2 Otero, Sebastian Alberto 2012-07-03 01:22 UTC Flag set to suspect.
1 Graham, Keith 2012-07-03 01:17 UTC Initial submission.