DENIS-P J020529.0-115925

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DENIS-P J020529.0-115925A
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus
Right ascension 02h 05m 29.401s[1]
Declination −11° 59′ 29.67″[1]
Apparent magnitude (V) 17.3[citation needed]
Characteristics
Spectral type L5.5[citation needed]
Variable type None[citation needed]
Astrometry
Radial velocity (Rv) 22 km/s
Proper motion (μ) RA: 427 mas/yr
Dec.: 52 mas/yr
Parallax (π) 50.6 ± 1.5[2] mas
Distance 64 ± 2 ly
(19.8 ± 0.6 pc)
Details
Temperature 1,800[citation needed] K
Age 10[citation needed] Gyr
DENIS-P J020529.0-115925B
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus
Right ascension 02h 05m 29.401s
Declination -11° 59' 29.67"'
Apparent magnitude (V) 18.3
Characteristics
Spectral type L8[citation needed]
Variable type None[citation needed]
Astrometry
Radial velocity (Rv) 22 km/s
Proper motion (μ) RA: 427 mas/yr
Dec.: 52 mas/yr
Parallax (π) 50.6 ± 1.5[2] mas
Distance 64 ± 2 ly
(19.8 ± 0.6 pc)
Binary orbit
Orbit period of B and C: (P) 8 years[citation needed]
Space between A and B: 10 AU[citation needed]
Space between B and C: 1.9 AU[citation needed]
Details
Mass 34[citation needed] MJup
Age 0.001 - 10[citation needed] Gyr
DENIS-P J020529.0-115925C
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus
Right ascension 02h 05m 29.401s
Declination -11° 59' 29.67"'
Apparent magnitude (V) 18.8
Characteristics
Spectral type T0[citation needed]
Variable type None[citation needed]
Astrometry
Radial velocity (Rv) 22 km/s
Proper motion (μ) RA: 427 mas/yr
Dec.: 52 mas/yr
Parallax (π) 50.6 ± 1.5[2] mas
Distance 64 ± 2 ly
(19.8 ± 0.6 pc)
Details
Mass 33[citation needed] MJup
Age 0.001 - 10[citation needed] Gyr
Other designations
2MASS J02052940-1159296, 2MASSW J0205293-115930, 2MASSI J0205293-115930, 2MUCD 10096.

DENIS-P J020529.0-115925 is an old triple carbon star system made of brown dwarfs, located in constellation Cetus at approximately 19.8 parsecs or 64.5 light-years from Earth,[2] designated in the DENIS catalog (Deep Near-Infrared Survey), .

See also[edit]

References[edit]

  1. ^ a b Cutri, R. M. (2003). "2MASS All-Sky Catalog of Point Sources". VizieR On-line Data Catalog. Bibcode:2003yCat.2246....0C. 
  2. ^ a b c d Dahn, C. C.; Harris, Hugh C.; Vrba, Frederick J.; Guetter, Harry H.; Canzian, Blaise; Henden, Arne A.; Levine, Stephen E.; Luginbuhl, Christian B.; Monet, Alice K. B.; Monet, David G.; Pier, Jeffrey R.; Stone, Ronald C.; Walker, Richard L.; Burgasser, Adam J.; Gizis, John E.; Kirkpatrick, J. Davy; Liebert, James; Reid, I. Neill (2002). "Astrometry and Photometry for Cool Dwarfs and Brown Dwarfs". The Astronomical Journal. 124 (2): 1170–1189. Bibcode:2002AJ....124.1170D. arXiv:astro-ph/0205050Freely accessible. doi:10.1086/341646. 

External links[edit]