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Latest Details
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Name
  R144  
AAVSO UID
--  
Constellation
Dorado Sequence
J2000.0
05 38 53.38 -69 02 00.9  (84.72242 -69.03358) Search nearby
B1950.0 05 39 13.40 -69 03 32.4
Proper motion
RA: 1.810 +/- 0.027 mas/yDec: 0.926 +/- 0.032 mas/ySource: Gaia Collaboration, 2022
Galactic coord. 279.384 -31.663
Other names

(Internal only)
2MASS J05385338-6902007 AL 375 BAT99 118
Brey 89 CPD-69 462 CXOU J053853.3-690200
FD 70 GSC 09163-00992 Gaia DR3 4657686222022977920
HD 38282 LHA 120-S 133 PPM 354888
RMC 144 SK -69 246 TIC 404768475
TYC 9163-992-1 UCAC4 105-014407 WS 46
[BE74] 420 [H2013] LMCe 1413 [PPL2002] CX17
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Variability type
WWC/E+WR
Spectral type WN5/6h+WN6/7h
Mag. range
10.94 - 11.13 V
Discoverer T. Shenar et al.
Epoch
26 Jun 2023 (HJD 2460122.4) Ephemeris
Outburst --
Period 74.2074 d
Rise/eclipse dur. 8%  (5.94 d)
Remarks
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1 Otero, Sebastian Alberto Brightest WR star in the LMC. Ejected through dynamical interactions from the neighbouring R 136 cluster. Eccentric system. WWC (Wind-Wind Colission excess emission) amplitude 0.07 V, atmospheric eclipse amplitude 0.09 V.
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References
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1 Polloc, A.; Crowther, P., 2026, ATel #18094 2026ATel18094....1P
2 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
3 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
4 Shenar, T.; Sana, H.; Marchant, P.; et al., 2021, The Tarantula Massive
Binary Monitoring. V. R 144: a wind-eclipsing binary with a total mass
≳140 M☉
2021A&A...650A.147S
5 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I
2020RNAAS...4..204H
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Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2026-10-11 05:08 UTC Phase plot showing the WWC/E variability with TESS QLP and Gaia DR3 data.
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Revision History
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2 Otero, Sebastian Alberto 2026-10-11 05:11 UTC Type, period and spectral type from 2021A&A...650A.147S. Range derived from Gaia DR3 and TESS QLP data. Epoch and atmospheric eclipse duration from TESS data.
1 Admin, VSX 2025-01-25 16:19 UTC Preserved original object data.