DENIS-P J082303.1−491201 b explained

DENIS-P J082303.1-491201 b
Discovery Ref:	^[1]
Discoverer:	Sahlmann et al. (2013)
Discovery Site:	ESO telescopes at the La Silla Paranal Observatory
Discovered:	August 2013
Discovery Method:	Astrometry
Orbit Ref:	^[2]
Semimajor:	AU
Period:	days
Inclination:	deg
Long Periastron:	deg
Spectral Type:	L5.5^[3]
Single Temperature:	1670

DENIS-P J082303.1-491201 b (alias 2MASS J08230313-4912012 b) is a substellar object, classified as either an exoplanet or a brown dwarf, orbiting DENIS-P J082303.1-491201,^[4] an L1.5-type brown dwarf in the constellation Vela.

Discovery

was discovered by Sahlmann et al. (2013) using the ESO telescopes at the La Silla Paranal Observatory. It is part of an ultracool binary system.

Properties

It is located 20.77pc from Earth. At, it is listed as among the most massive planets in the NASA Exoplanet Archive.

It orbits the nearby L1.5-type brown dwarf, which is % the mass of the Sun, and has an orbital period of about 246 days.

See also

• Deep Near Infrared Survey of the Southern Sky
• DENIS-P J1058.7-1548
• DENIS-P J1228.2-1547
• DENIS-P J020529.0-115925
• DENIS-P J101807.5-285931
• List of exoplanet extremes
• List of exoplanets discovered using the Kepler spacecraft

External links

• DENIS Deep Near Infrared Survey of the Southern Sky

Notes and References

1. Astrometric orbit of a low-mass companion to an ultracool dwarf . Astronomy & Astrophysics . J. . Sahlmann . P. F. . Lazorenko . D. . Ségransan . Eduardo L. . Martín . D. . Queloz . M. . Mayor . S. . Udry . 5 . 556 . A133 . August 2013 . 10.1051/0004-6361/201321871 . 2013A&A...556A.133S . 1306.3225. 119193690 .
2. Web site: DENIS-P J082303.1-491201 b . . 8 March 2014.
3. 1906.04166. 2019. 10.3847/1538-4357/ab253d. Bardalez Gagliuffi. Daniella C.. Burgasser. Adam J.. Schmidt. Sarah J.. Theissen. Christopher. Gagné. Jonathan. Gillon. Michael. Sahlmann. Johannes. Faherty. Jacqueline K.. Gelino. Christopher. Cruz. Kelle L.. Skrzypek. Nathalie. Looper. Dagny. The Ultracool Spe Xtroscopic Survey. I. Volume-limited Spectroscopic Sample and Luminosity Function of M7−L5 Ultracool Dwarfs. The Astrophysical Journal. 883. 2. 205. 2019ApJ...883..205B . 184487061 . free .
4. 2MASS J08230313-4912012 . 8 March 2014.