2MASS J00303013-1450333

Brown dwarf; 2MASS J00303013-1450333
Observation ; dates equinox : J2000.0 , epoch : J2000.0
Constellation	whale
Right ascension	00 h 30 m 30.13 s
declination	-14 ° 50 ′ 33.3 ″
parallax	(37.4 ± 4.5) mas
distance	approx. 90 ly ; (approx. 30 pc )
Typing
Spectral class	L7
Physical Properties
Effective temperature	1545 +190−154 K
Other names ; and catalog entries
Further designations:	2MASSW J0030300-145033 ; 2MASSI J0030300-145033 ; GO Ceti

Database links to 2MASS J00303013-1450333

2MASS J00303013-1450333 is a brown dwarf in the constellation Whale, about 100 light-years from Earth . It was published in 2000 by J. Davy Kirkpatrick et al. discovered.

2MASS J00303013-1450333 belongs to the spectral class L7; its surface temperature is likely to be around 1500 Kelvin .

Its position shifts by 0.25 arc seconds annually due to its own motion .

Web links

Entry at DwarfArchives.org (English)
Kirkpatrick, J. Davy; et al .: 67 Additional L Dwarfs Discovered by the Two Micron All Sky Survey . In: The Astronomical Journal , Volume 120, Number 1, 2000, pp. 447-472. bibcode : 2000AJ .... 120..447K (English)
Simbad

Individual evidence

↑ ^a ^b Cf. FJ Vrba, AA Henden, CB Luginbuhl, HH Guetter, JA Munn, B. Canzian, AJ Burgasser, JD Kirpatrick, X. Fan, TR Geballe, DA Golimowski, GR Knapp, SK Leggett, DP Schneider, J Brinkman: Preliminary Parallaxes of 40 L and T Dwarfs from the US Naval Observatory Infrared Astrometry Program , in: Astrophysical Journal 127 (2004) 2948-2968; J. Davy Kirkpatrick: New Spectral Types L and T (PDF; 1.0 MB), in: Annual Review of Astronomy and Astrophysics 43 (2005), 195-245, here 212.

[Vrba2004-1] Cf. FJ Vrba, AA Henden, CB Luginbuhl, HH Guetter, JA Munn, B. Canzian, AJ Burgasser, JD Kirpatrick, X. Fan, TR Geballe, DA Golimowski, GR Knapp, SK Leggett, DP Schneider, J Brinkman: Preliminary Parallaxes of 40 L and T Dwarfs from the US Naval Observatory Infrared Astrometry Program , in: Astrophysical Journal 127 (2004) 2948-2968; J. Davy Kirkpatrick: New Spectral Types L and T (PDF; 1.0 MB), in: Annual Review of Astronomy and Astrophysics 43 (2005), 195-245, here 212.