DENIS-P J082303.1−491201 B
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DENIS-P J082303.1-491201 b (alias 2MASS J08230313-4912012 b) is a
substellar object A substellar object, sometimes called a substar, is an astronomical object, the mass of which is smaller than the smallest mass at which hydrogen fusion can be sustained (approximately 0.08 solar masses). This definition includes brown dwarfs and f ...
, classified as either an
exoplanet An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995. A different planet, first det ...
or a
brown dwarf Brown dwarfs are substellar objects that have more mass than the biggest gas giant planets, but less than the least massive main sequence, main-sequence stars. Their mass is approximately 13 to 80 Jupiter mass, times that of Jupiter ()not big en ...
, orbiting DENIS-P J082303.1-491201, an L1.5-type
brown dwarf Brown dwarfs are substellar objects that have more mass than the biggest gas giant planets, but less than the least massive main sequence, main-sequence stars. Their mass is approximately 13 to 80 Jupiter mass, times that of Jupiter ()not big en ...
in the
constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The first constellati ...
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 from Earth. At , it is listed as among the most massive planets in the
NASA Exoplanet Archive The NASA Exoplanet Archive is an online astronomical exoplanet catalog and data service that collects and serves public data that support the search for and characterization of extra-solar planets (exoplanets) and their host stars. It is part of ...
. 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 The Deep Near Infrared Survey of the Southern Sky (DENIS) was a deep astronomical survey of the southern sky in the near-infrared Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than t ...
* DENIS-P J1058.7-1548 * DENIS-P J1228.2-1547 * DENIS-P J020529.0-115925 * DENIS-P J101807.5-285931 *
List of exoplanet extremes The following are lists of extremes among the known exoplanet An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around ...
*
List of exoplanets discovered using the Kepler spacecraft The list of exoplanets detected by the Kepler space telescope contains bodies with a wide variety of properties, with significant ranges in orbital distances, masses, radii, composition, habitability, and host star type. As of June 16 2023, t ...


References


External links


DENIS Deep Near Infrared Survey of the Southern Sky
{{DEFAULTSORT:DENIS-P J082303.1-491201 b Binary stars Brown dwarfs Exoplanets discovered in 2013 Exoplanets detected by astrometry