DENIS-P J020529.0-115925
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| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
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/yr |
| Parallax (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 |
| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
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/yr |
| Parallax (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 |
| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
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/yr |
| Parallax (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 system made of brown dwarfs.
[edit] Reference
- 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
 |
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