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NGTS-14Ab

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Neptunian planet orbiting NGTS-14
NGTS-14Ab
Discovery
Discovered byNGTS (Next-Generation Transit Survey)
Discovery dateJanuary 2021
Detection methodTransit method
Designations
Named afterNGTS (Next-Generation Transit Survey)
Alternative names2MASS J21540423-3822388, TIC 197643976
Orbital characteristics
Orbital period (sidereal)3.54 days
StarNGTS-14
Physical characteristics
Mean radius0.444 ± 0.030 R Jupiter
Mass0.09 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. The orbital period of NGTS-14Ab is around 3.54 days. The age of NGTS-14Ab is approximately 5.9 billion years old. The exoplanet is around 0.44 Jovian radii.

References

  1. 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.
  2. "Neptune-sized exoplanet discovered by NGTS survey". phys.org. Retrieved 29 March 2021.
  3. 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.
  4. "Neptune-Sized Exoplanet Discovered in Binary System NGTS-14 | Astronomy | Sci-News.com". Breaking Science News | Sci-News.com. Retrieved 2022-05-05.
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