V1094 Scorpii
V1094 Scorpii is a young stellar object in the constellation of Scorpius, located in the young Lupus Star Forming Region.[1]
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Scorpius-Lupus |
| Right ascension | 16h 08m 36.183s |
| Declination | −39° 23′ 2.51″ |
| Apparent magnitude (V) | 13.48 |
| Characteristics | |
| Spectral type | K6V |
| Variable type | T Tauri-type? |
| Astrometry | |
| Distance | ≈456.4 ly (≈140 [1] pc) |
| Details | |
| Mass | 0.78 [2] M☉ |
| Radius | 1.38 [2] R☉ |
| Luminosity | ≈0.56 L☉ |
| Temperature | 4256 K |
| Age | 2-3 million years |
| Other designations | |
| Database references | |
| SIMBAD | data |
A planetary system?
Periodic radial velocity variations in the young star V1094 Scorpii had at first been explained by the presence of a substellar object in tight orbit.[3] Currently the presence of a substellar object has been retracted, invoking starspots as the actual cause for observed radial velocity variations.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| V1094 Scorpii b (retracted) | ≤24 MJ | ≈0.065 | 7.2 | ?0 | — | — |
References
- Hughes; Hartigan, Patrick; Clampitt, Lori (1993). "The distance to the Lupus star formation region". The Astronomical Journal. 105 (2): 571–575. Bibcode:1993AJ....105..571H. doi:10.1086/116454.
- Joergens; Guenther, E.; Neuhäuser, R.; Fernández, M.; Vijapurkar, J. (2001). "The T Tauri star RX J1608.6-3922 - not an eclipsing binary but a spotted single star". Astronomy and Astrophysics. 373 (3): 966–973. arXiv:astro-ph/0105326. Bibcode:2001A&A...373..966J. doi:10.1051/0004-6361:20010684. S2CID 17464041.
- Wichmann; et al. (1997). "T Tauri stars and the Gould Belt near Lupus". Astronomy and Astrophysics. 326: 211–217. Bibcode:1997A&A...326..211W.
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