| A | B |
|---|---|
Location of LMC X-3 from ESASky (pointed in red). | … |
| Observation data Epoch J2000 Equinox J2000 | … |
| Constellation | Dorado |
| Right ascension | 05 38 56 |
| Declination | −64° 05′ 03″ |
| Apparent magnitude (V) | 16.7 |
| Characteristics | … |
| Evolutionary stage | Main-sequence (A) Black hole (B) |
| Spectral type | BH + B2.5Ve |
| Astrometry | … |
| Distance | 165,0001 ly (50,589 pc) |
| Orbit | … |
| Primary | main-sequence star |
| Name | black hole |
| Period (P) | 1.70481 days |
| Semi-major axis (a) | 11000000 km1 |
| Eccentricity (e) | 0.22 ± 0.42 |
| Inclination (i) | 69.8° ± 0.843° |
| Semi-amplitude (K) (secondary) | 256.7 ± 4.9 km/s |
| Details 4 | … |
| A | … |
| Mass | 3.63 ± 0.57 M |
| Radius | 4.4 R |
| B | … |
| Mass | 6.98 ± 0.56 M |
| Other designations | … |
| LMC X-3, RX J0538.9-6405, 2MAXI J0539-640, 2XMM J053856.5-640503, Gaia DR3 47570688746906681605 | … |
| Database references | … |
| SIMBAD | data |
LMC X-3
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Footnotes
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“LMC X-3 Fact Sheet”. StarDate’s Black Hole Encyclopedia. ↩ ↩2
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Sørensen, Mads; Fragos, Tassos; Steiner, James F.; Antoniou, Vallia; Meynet, Georges; Dosopoulou, Fani (January 2017). “Unraveling the formation history of the black hole X-ray binary LMC X-3 from the zero age main sequence to the present”. Astronomy & Astrophysics. 597: A12. arXiv:1605.06808. Bibcode:2017A&A…597A..12S. doi:10.1051/0004-6361/201628979. ISSN 0004-6361. ↩
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Orosz, Jerome A.; Steiner, James F.; McClintock, Jeffrey E.; Buxton, Michelle M.; Bailyn, Charles D.; Steeghs, Danny; Guberman, Alec; Torres, Manuel A. P. (October 2014). “The mass of the black hole in LMC X-3”. The Astrophysical Journal. 794 (2): 154. arXiv:1402.0085. Bibcode:2014ApJ…794..154O. doi:10.1088/0004-637X/794/2/154. ISSN 1538-4357. ↩
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Orosz, Jerome A.; Steiner, James F.; McClintock, Jeffrey E.; Buxton, Michelle M.; Bailyn, Charles D.; Steeghs, Danny; Guberman, Alec; Torres, Manuel A. P. (2014-10-06). “The Mass of the Black Hole in LMC X-3”. The Astrophysical Journal. 794 (2): 154. arXiv:1402.0085. Bibcode:2014ApJ…794..154O. doi:10.1088/0004-637X/794/2/154. ISSN 1538-4357. ↩
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“LMC X-3”. SIMBAD. Retrieved 21 September 2025. ↩