TOI-6883Ab

Last updated

TOI-6883Ab
Exoplanets with two stars.jpg
Artist’s impression of exoplanet orbiting two stars (NASA, ESA, and G. Bacon (STScI))
Discovery
Discovered by Conzo G. & Moriconi M. and Sgro L. et al.
Discovery site Transiting Exoplanet Survey Satellite
Discovery dateFebruary 26, 2024
Transit
Designations
TIC 393818343 b
Orbital characteristics
Epoch J2000.0
0.1291 ± 0.0021 AU (19,310,000 ± 310,000 km)
Eccentricity 0.6058 ± 0.0023
16.24921 ± 0.00010 d
Inclination 89.6 ± 0.30
2459810.145 ± 0.015
1.69 ± 0.49
Star TOI-6883AB
Physical characteristics
1.087 ± 0.023 RJ
Mass 4.34 ± 0.15 MJ
Temperature 805.5 ± 9.6 K (532.35 ± 9.60 °C; 990.23 ± 17.28 °F)

    TOI-6883Ab is a Jupiter-like extrasolar planet orbiting TOI-6883A, a Sun-like star in Delphinus constellation 307 light years (94.17 pc) from Earth.

    Contents

    Discovery

    It was discovered in 2024 by Italian amateur astronomers Giuseppe Conzo and Mara Moriconi using the transit method with TESS data. At the beginning, a single transit event was identified, so the extrasolar planet was first classified as a candidate with TOI-6883.01 [1] nomenclature. The discovery describes a planet with a radius of 1.087 times that of Jupiter, but without details of the orbital period.

    The planet was confirmed by the professional astronomers of SETI team led by Lauren Sgro, who fully characterised it using the radial velocity method and the orbital period was identified. TOI-6883Ab revolves around its star in about 16.25 days at a distance of 0.123 AU (astronomical units) with a very eccentric orbit. [2]

    See also

    References

    1. ↑ Conzo, G.; Moriconi, M. (26 February 2024). "TOI-6883.01: A Single-transit Planet Candidate Detected from TESS". Research Notes of the AAS. 8 (2): 53. Bibcode:2024RNAAS...8...53C. doi: 10.3847/2515-5172/ad2c85 . ISSN   2515-5172.
    2. ↑ Sgro, Lauren A.; Dalba, Paul A.; Esposito, Thomas M.; Marchis, Franck; Dragomir, Diana; Villanueva, Steven; Fulton, Benjamin; Billiani, Mario; Loose, Margaret; Meneghelli, Nicola; Rivett, Darren; Saibi, Fadi; Saibi, Sophie; Martin, Bryan; Lekkas, Georgios (1 July 2024). "Confirmation and Characterization of the Eccentric, Warm Jupiter TIC 393818343 b with a Network of Citizen Scientists". The Astronomical Journal. 168 (1): 26. arXiv: 2405.15021 . Bibcode:2024AJ....168...26S. doi: 10.3847/1538-3881/ad5096 . ISSN   0004-6256.
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