- DENIS-P J020529.0-115925
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DENIS-P J020529.0-115925A Observation data
Epoch J2000 Equinox J2000Constellation Cetus Right ascension 02h 05m 29.401s Declination -11° 59' 29.67"' Apparent magnitude (V) 17.3 Characteristics Spectral type L5.5 U−B color index ? B−V color index ? Variable type None Astrometry Radial velocity (Rv) 22 km/s Proper motion (μ) RA: 427 mas/yr
Dec.: 52 mas/yrParallax (π) 50.6 ± 1.5 mas Distance 64 ± 2 ly
(19.8 ± 0.6 pc)Details Mass 38 M☉ Radius ? R☉ Luminosity ? L☉ Temperature 1.800 K Metallicity ? Rotation ? Age 1 - 10 billion years DENIS-P J020529.0-115925B Observation data
Epoch J2000 Equinox J2000Constellation Cetus Right ascension 02h 05m 29.401s Declination -11° 59' 29.67"' Apparent magnitude (V) 18.3 Characteristics Spectral type L8 U−B color index ? B−V color index ? Variable type None Astrometry Radial velocity (Rv) 22 km/s Proper motion (μ) RA: 427 mas/yr
Dec.: 52 mas/yrParallax (π) 50.6 ± 1.5 mas Distance 64 ± 2 ly
(19.8 ± 0.6 pc)Binary orbit Orbit period of B and C: (P) 8 years Space between A and B: 10 AU Space between B and C: 1.9 AU Details Mass 34 M☉ Radius ? R☉ Luminosity ? L☉ Temperature 1.800 K Metallicity ? Rotation ? Age 1 - 10 billion years DENIS-P J020529.0-115925C Observation data
Epoch J2000 Equinox J2000Constellation Cetus Right ascension 02h 05m 29.401s Declination -11° 59' 29.67"' Apparent magnitude (V) 17.3 Characteristics Spectral type T0 U−B color index ? B−V color index ? Variable type None Astrometry Radial velocity (Rv) 22 km/s Proper motion (μ) RA: 427 mas/yr
Dec.: 52 mas/yrParallax (π) 50.6 ± 1.5 mas Distance 64 ± 2 ly
(19.8 ± 0.6 pc)Details Mass 38 M☉ Radius ? R☉ Luminosity ? L☉ Temperature 1.800 K Metallicity ? Rotation ? Age 1 - 10 billion years 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, designated in the DENIS catalog (Deep Near-Infrared Survey, also known as DNS) [P=Provisory or provisional designation].
References
- http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=DENIS-P+J020529.0-115925&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id
- http://jumk.de/astronomie/special-stars/denis-p.shtml
Categories:- Brown dwarfs
- Cetus constellation
- Star stubs
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