DEN 1048−3956

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DEN 1048−3956
Observation data
Epoch J2000      Equinox J2000
Constellation Antlia
Right ascension 10h 48m 14.640s[1]
Declination −39° 56′ 06.24″[1]
Apparent magnitude (V) 17.4[2]
Spectral type M9 V or L0[citation needed]
Apparent magnitude (J) 9.5[1]
Radial velocity (Rv)−10.1 ± 0.5[1] km/s
Proper motion (μ) RA: −1198 ± 10[1] mas/yr
Dec.: −970 ± 8[1] mas/yr
Parallax (π)248.08 ± 0.61[3] mas
Distance13.15 ± 0.03 ly
(4.031 ± 0.010 pc)
Absolute magnitude (MV)19.37[2]
Mass0.07[2] M
Other designations
2MASS J10481463−3956062, 2MASSI J1048147−395606, 2MUCD 20385, DENIS-P J104814.9−395604, DENIS-P J104814.7−395606, DEN 1048−3956, USNO-B1.0 0500-00227632
Database references
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

DEN 1048−3956 is a brown dwarf about 13.1 light years from Earth in the southern constellation of Antlia, among the closest interstellar objects to Earth. This substellar object is very dim with an apparent magnitude of about 17,[2] and will require a telescope with a camera to be seen. It was discovered in 2000 by Xavier Delfosse (Institute of Astrophysics of the Canary Islands, now Observatoire de Grenoble) and Thierry Forveille (Canada–France–Hawaii Telescope Corporation), with the assistance of nine other astronomers.

In 2005 a powerful flare from this object was detected by radio astronomy.[4]

See also[edit]


  1. ^ a b c d e f "2MASSI J1048147-395606 -- Brown Dwarf (M<0.08solMass)". Centre de Données astronomiques de Strasbourg. Retrieved 2009-12-15.
  2. ^ a b c d "The One Hundred Nearest Star Systems". RECONS. Georgia State University. January 1, 2009. Retrieved 2011-12-03.
  3. ^ Lurie, John C.; Henry, Todd J.; Jao, Wei-Chun; Quinn, Samuel N.; Winters, Jennifer G.; Ianna, Philip A.; Koerner, David W.; Riedel, Adric R.; Subasavage, John P. (2014). "The Solar Neighborhood. XXXIV. a Search for Planets Orbiting Nearby M Dwarfs Using Astrometry". The Astronomical Journal. 148 (5): 91. arXiv:1407.4820. Bibcode:2014AJ....148...91L. doi:10.1088/0004-6256/148/5/91.
  4. ^ Adam J. Burgasser & Mary E. Putman (June 10, 2005). "Quiescent Radio Emission from Southern Late-Type M Dwarfs and a Spectacular Radio Flare from the M8 Dwarf DENIS 1048−3956". The Astrophysical Journal. 626 (1): 486–497. arXiv:astro-ph/0502365. Bibcode:2005ApJ...626..486B. doi:10.1086/429788.

External links[edit]