Cha 1107−7626
Cha 1107−7626 is the orange-red object in the middle of this DECam image. | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Chamaeleon |
| Right ascension | 11h 07m 07.72512s |
| Declination | −76° 26′ 32.5176″ |
| Characteristics | |
| Evolutionary stage | planetary-mass brown dwarf |
| Spectral type | L0 ±1 |
| Apparent magnitude (J) | 17.61 ±0.03 |
| Apparent magnitude (H) | 16.80 ±0.03 |
| Apparent magnitude (Ks) | 15.91 ±0.02 |
| Astrometry | |
| Proper motion (μ) | RA: −13.8 ±0.8 mas/yr Dec.: −0.4 ±3.2 mas/yr |
| Distance | ~620 ly (~190 pc) |
| Details | |
| Mass | 6−10 MJup |
| Radius | 2.8 RJup |
| Luminosity (bolometric) | 0.00033 L☉ |
| Surface gravity (log g) | 3.5 cgs |
| Temperature | 1900 ±100 K |
| Age | 1−5 Myr |
| Other designations | |
| WISE J110707.72-762632.5, WISEA J110707.69-762632.5, [L2007b] Cha J11070768-7626326 | |
| Database references | |
| SIMBAD | data |
Cha 1107−7626 (Cha J11070768−7626326) is a free-floating planetary-mass object in the Chamaeleon I star-forming region, about 190 parsecs (620 ly) distant from the Solar System. It is the lowest-mass object with hydrocarbons detected in its disk (as of May 2025). The object is located north-west of IC 2631.