R136a1
Gambar inframerah dekat dari gugus RMC 136, diperoleh dengan resolusi tinggi menggunakan instrumen optik adaptif MAD di ESO Very Large Telescope. RMC 136a1 terletak di bagian tengah dengan RMC 136a2 dekatnya, RMC 136a3 di bawah kanan, dan R136b di sebelah kiri. | |
| Data pengamatan Epos J2000.0 Ekuinoks J2000.0 | |
|---|---|
| Rasi bintang | Dorado |
| Asensio rekta | 5j 38m 42.39d[1] |
| Deklinasi | −69° 06′ 02.91″[1] |
| Magnitudo tampak (V) | 12.23[1] |
| Ciri-ciri | |
| Tahap evolusi | Bintang Wolf–Rayet |
| Kelas spektrum | WN5h[2] |
| Indeks warna B−V | 0.03[1] |
| Astrometri | |
| Jarak | 163,000 tc (49,970[3] pc) |
| Magnitudo mutlak (MV) | −8.09[4] |
| Detail[4] | |
| Massa | 230[5] M☉ |
| Radius | 44,3[6] R☉ |
| Luminositas | 6,670,000[5] L☉ |
| Luminositas (visual, LV) | 150,000 L☉ |
| Gravitasi permukaan (log g) | 3.65[6] |
| Suhu | 47.250[6] K |
| Usia | 1,31[6] megatahun |
| Penamaan lain | |
| Referensi basis data | |
| SIMBAD | data |
RMC 136a1 (sering disingkat R136a1) adalah sebuah Bintang Wolf–Rayet yang terletak di tengah R136, pusat kondensasi bintang-bintang besar NGC 2070 gugus terbuka di Nebula Tarantula. Bintang ini terletak pada jarak sekitar 50 kiloparsek (163.000 tahun cahaya) di galaksi tetangga yang dikenal dengan Awan Magellan Besar. Bintang ini termasuk kedalam bintang dengan massa tetinggi dan bintang paling terang yang diketahui, dengan massa 230 M☉ dan sekitar 6.670.000 L☉, bintang ini juga merupakan salah satu bintang terpanas dengan suhu 47.250 K.

Referensi
- ^ a b c d Doran, E. I.; Crowther, P. A.; de Koter, A.; Evans, C. J.; McEvoy, C.; Walborn, N. R.; Bastian, N.; Bestenlehner, J. M.; Gräfener, G.; Herrero, A.; Kohler, K.; Maiz Apellaniz, J.; Najarro, F.; Puls, J.; Sana, H.; Schneider, F. R. N.; Taylor, W. D.; van Loon, J. Th.; Vink, J. S. (2013). "The VLT-FLAMES Tarantula Survey - XI. A census of the hot luminous stars and their feedback in 30 Doradus". Astronomy & Astrophysics. 558: A134. arXiv:1308.3412v1. Bibcode:2013A&A...558A.134D. doi:10.1051/0004-6361/201321824.
- ^ Hainich, R.; Rühling, U.; Todt, H.; Oskinova, L. M.; Liermann, A.; Gräfener, G.; Foellmi, C.; Schnurr, O.; Hamann, W. -R. (2014). "The Wolf–Rayet stars in the Large Magellanic Cloud". Astronomy & Astrophysics. 565: A27. arXiv:1401.5474. Bibcode:2014A&A...565A..27H. doi:10.1051/0004-6361/201322696.
- ^ Pietrzyński, G; D. Graczyk; W. Gieren; I. B. Thompson; B. Pilecki; A. Udalski; I. Soszyński; et al. (7 March 2013). "An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent". Nature. 495 (7439): 76–79. arXiv:1303.2063. Bibcode:2013Natur.495...76P. doi:10.1038/nature11878. PMID 23467166.
- ^ a b Crowther, Paul A.; Caballero-Nieves, S. M.; Bostroem, K. A.; Maíz Apellániz, J.; Schneider, F. R. N.; Walborn, N. R.; Angus, C. R.; Brott, I.; Bonanos, A.; De Koter, A.; De Mink, S. E.; Evans, C. J.; Gräfener, G.; Herrero, A.; Howarth, I. D.; Langer, N.; Lennon, D. J.; Puls, J.; Sana, H.; Vink, J. S. (2016). "The R136 star cluster dissected with Hubble Space Telescope/STIS. I. Far-ultraviolet spectroscopic census and the origin of He II λ1640 in young star clusters". Monthly Notices of the Royal Astronomical Society. 458: 624. arXiv:1603.04994. Bibcode:2016MNRAS.458..624C. doi:10.1093/mnras/stw273. Pemeliharaan CS1: DOI bebas tanpa ditandai (link)
- ^ a b Kalari, Venu M.; Horch, Elliott P.; Salinas, Ricardo; Vink, Jorick S.; Andersen, Morten; Bestenlehner, Joachim M.; Rubio, Monica (2022). "Resolving the Core of R136 in the Optical". The Astrophysical Journal. 935 (2): 162. arXiv:2207.13078. Bibcode:2022ApJ...935..162K. doi:10.3847/1538-4357/ac8424. S2CID 251067072.
- ^ a b c d Brands, Sarah A.; de Koter, Alex; Bestenlehner, Joachim M.; Crowther, Paul A.; Sundqvist, Jon O.; Puls, Joachim; Caballero-Nieves, Saida M.; Abdul-Masih, Michael; Driessen, Florian A.; García, Miriam; Geen, Sam (2022-02-01). "The R136 star cluster dissected with Hubble Space Telescope/STIS. III. The most massive stars and their clumped winds". Astronomy & Astrophysics. 663: A36. arXiv:2202.11080. Bibcode:2022A&A...663A..36B. doi:10.1051/0004-6361/202142742. S2CID 247025548.
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