| Discovery | |
|---|---|
| Discovered by | NGTS ( Next-Generation Transit Survey) |
| Discovery date | January 2021 |
| Transit method | |
| Designations | |
Named after | NGTS ( Next-Generation Transit Survey) |
| 2MASS J21540423-3822388, TIC 197643976 | |
| Orbital characteristics | |
| 3.54 days | |
| Star | NGTS-14 |
| Physical characteristics | |
Mean radius | 0.444 ± 0.030 R Jupiter |
| Mass | 0.09 Jovian masses |
NGTS-14Ab or 2MASS J21540423-3822388 is a Neptune-sized ( Sub-Jovian) exoplanet that was discovered by NGTS ( Next-Generation Transit Survey) and is located in the NGTS-14 planetary system. The discovery was announced in January 2021. [1] [2] The orbital period of NGTS-14Ab is around 3.54 days. [3] The age of NGTS-14Ab is approximately 5.9 billion years old. The exoplanet is around 0.44 Jovian radii. [4]
References
- ^ Smith, A. M. S.; Acton, J. S.; Anderson, D. R.; Armstrong, D. J.; Bayliss, D.; Belardi, C.; Bouchy, F.; Brahm, R.; Briegal, J. T.; Bryant, E. M.; Burleigh, M. R.; Cabrera, J.; Chaushev, A.; Cooke, B. F.; Costes, J. C.; Csizmadia, Sz; Eigmüller, Ph; Erikson, A.; Gill, S.; Gillen, E.; Goad, M. R.; Günther, M. N.; Henderson, B. A.; Hogan, A.; Jordán, A.; Lendl, M.; McCormac, J.; Moyano, M.; Nielsen, L. D.; Rauer, H.; Raynard, L.; Tilbrook, R. H.; Turner, O.; Udry, S.; Vines, J. I.; Watson, C. A.; West, R. G.; Wheatley, P. J. (February 2021). "NGTS-14Ab: a Neptune-sized transiting planet in the desert". Astronomy & Astrophysics. 646: A183. arXiv: 2101.01470. Bibcode: 2021A&A...646A.183S. doi: 10.1051/0004-6361/202039712. ISSN 0004-6361. S2CID 230524042.
- ^ "Neptune-sized exoplanet discovered by NGTS survey". phys.org. Retrieved 29 March 2021.
- ^ Smith, A. M. S.; Acton, J. S.; Anderson, D. R.; Armstrong, D. J.; Bayliss, D.; Belardi, C.; Bouchy, F.; Brahm, R.; Briegal, J. T.; Bryant, E. M.; Burleigh, M. R. (February 2021). "NGTS-14Ab: a Neptune-sized transiting planet in the desert". Astronomy & Astrophysics. 646: A183. arXiv: 2101.01470. Bibcode: 2021A&A...646A.183S. doi: 10.1051/0004-6361/202039712. ISSN 0004-6361.
- ^ "Neptune-Sized Exoplanet Discovered in Binary System NGTS-14 | Astronomy | Sci-News.com". Breaking Science News | Sci-News.com. Retrieved 2022-05-05.
 | This extrasolar-planet-related article is a stub. You can help Wikipedia by expanding it. |