| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Orion |
| Right ascension | 05h 37m 13.2624s[2] |
| Declination | −06° 35′ 00.5654″[2] |
| Apparent magnitude (V) | 9.69 |
| Characteristics | |
| Evolutionary stage | Herbig Ae/Be star |
| Spectral type | A5II-III[3] |
| Apparent magnitude (g) | 10.38 |
| Astrometry | |
| Proper motion (μ) | RA: 0.873±0.025 mas/yr[2] Dec.: 0.654±0.023 mas/yr[2] |
| Parallax (π) | 2.6173 ± 0.0279 mas[2] |
| Distance | 1,250 ± 10 ly (382 ± 4 pc) |
| Details | |
| Mass | 1.85+0.15 −0.00[4] M☉ |
| Radius | 1.59±0.20[4] R☉ |
| Luminosity | 39[5] L☉ |
| Surface gravity (log g) | 3.5[6] cgs |
| Temperature | 8750[6] K |
| Rotational velocity (v sin i) | 37±2[3] km/s |
| Age | 17.14+2.80 −0.00[4] Myr |
| Other designations | |
BD-06 1259, GSC 04778-01087, HIP 26403, 2MASS J05371326-0635005, Gaia DR2 3016930993175537536, Gaia EDR3 3016930993175889792, TYC 4778-1087-1 | |
| Database references | |
| SIMBAD | data |
BF Orionis is a young Herbig Ae/Be star in the constellation of Orion about 1250 light years away, within the Orion Nebula. It is the most massive star of the small birth cluster of four stars.[7]
- ^ Cite error: The named reference
Grinin2010was invoked but never defined (see the help page). - ^ a b c d Cite error: The named reference
EDR3was invoked but never defined (see the help page). - ^ a b Cite error: The named reference
Wade2007was invoked but never defined (see the help page). - ^ a b c Guzmán-Díaz, J.; Mendigutía, I.; Montesinos, B.; Oudmaijer, R. D.; Vioque, M.; Rodrigo, C.; Solano, E.; Meeus, G.; Marcos-Arenal, P. (2021), "Homogeneous study of Herbig Ae/Be stars from spectral energy distributions and Gaia EDR3", Astronomy & Astrophysics, 650: A182, arXiv:2104.11759, Bibcode:2021A&A...650A.182G, doi:10.1051/0004-6361/202039519, S2CID 233393918
- ^ Grinin, V. P.; Kozlova, O. V.; Natta, A.; Ilyin, I.; Tuominen, I.; Rostopchina, A. N.; Shakhovskoy, D. N. (2001). "Optical spectra of five UX Orionis-type stars". Astronomy and Astrophysics. 379 (2): 482. Bibcode:2001A&A...379..482G. doi:10.1051/0004-6361:20011280. S2CID 121844237.
- ^ a b Mora, A.; Eiroa, C.; Natta, A.; Grady, C. A.; De Winter, D.; Davies, J. K.; Ferlet, R.; Harris, A. W.; Miranda, L. F.; Montesinos, B.; Oudmaijer, R. D.; Palacios, J.; Quirrenbach, A.; Rauer, H.; Alberdi, A.; Cameron, A.; Deeg, H. J.; Garzón, F.; Horne, K.; Merín, B.; Penny, A.; Schneider, J.; Solano, E.; Tsapras, Y.; Wesselius, P. R. (2004). "Dynamics of the circumstellar gas in the Herbig Ae stars BF Orionis, SV Cephei, WW Vulpeculae and XY Persei". Astronomy & Astrophysics. 419: 225–240. arXiv:astro-ph/0402614. Bibcode:2004A&A...419..225M. doi:10.1051/0004-6361:20040096. S2CID 17149403.
- ^ Testi, L.; Palla, F.; Natta, A. (1998). "The onset of cluster formation around Herbig Ae/Be stars". arXiv:astro-ph/9811210.