Cha 110913-773444
| 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 −3 MJup |
| Radius | 1.8 RJup |
| Luminosity | 0.000096 L☉ |
| Temperature | 1,350 K |
| Age | 0.5–10 Myr |
| Database references | |
| SIMBAD | data |
.png)
Cha 110913-773444 (sometimes abbreviated Cha 110913) is an astronomical object surrounded by what appears to be a protoplanetary disk. It lies at a distance of 163 ly from Earth. 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).
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.
...
Wikipedia