Cha 110913-773444
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 11h 09m 13.63s |
| Declination | -77° 34' 44.6" |
| Apparent magnitude (V) | +21.59 |
| Characteristics | |
| Spectral type | L-dwarf |
| Astrometry | |
| Distance | 163 ly (50 pc) |
| Absolute magnitude (MV) | +18.1 |
| Details | |
| Mass | 8 (+7 to −3) MJ, 0.008 M☉ |
| Radius | 1.8 RJ, 0.18 R☉ |
| Luminosity | 0.000096 L☉ |
| Temperature | 1,350 K |
| Age | 500,000–10,000,000 years |
| Database references | |
| SIMBAD | data |
Cha 110913-773444 (sometimes abbreviated Cha 110913) is an astronomical object surrounded by what appears to be a protoplanetary disk. There is no consensus yet among astronomers whether to classify the object as a sub-brown dwarf (with planets) or a rogue planet (with moons).[1]
Cha 110913-773444 was discovered in 2004 by Kevin Luhman and others at Pennsylvania State University using the Spitzer Space Telescope and the Hubble Space Telescope, as well as two Earth-bound telescopes in Chile.
See also
References
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