UScoCTIO 108
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
|
|---|---|
| Constellation | Scorpius |
| Right ascension | 16h 05m 53.94s |
| Declination | −18° 18′ 42.7″ |
| Characteristics | |
| Spectral type | M7 |
| Astrometry | |
| Distance | 473 ± 6 ly (145 ± 2pc) |
| Details | |
| Mass | 0.06 ± 0.02 M☉ |
| Luminosity | 0.01 L☉ |
| Temperature | 2700 ± 100 K |
| Database references | |
| SIMBAD | data |
| Position (relative to A) | |
|---|---|
| Epoch of observation | J2007.5 |
| Angular distance | 4.6 ± 0.1″ |
| Position angle | 177 ± 1° |
|
Observed separation (projected) |
~670 AU |
| Characteristics | |
| Spectral type | M9.5–L3 |
| Details | |
| Mass | 0.013+0.002−0.008 M☉ |
| Luminosity | 0.0007 L☉ |
| Temperature | 2350+100−400 K |
| Other designations | |
|
UscoCTIO 108b
|
|
| Database references | |
| SIMBAD | data |
UScoCTIO 108 is a binary system, approximately 470 light-years away in the Upper Scorpius (USco) OB association. The primary, UScoCTIO 108A, with mass around 0.06 solar masses, is a brown dwarf or low-mass red dwarf. The secondary, UScoCTIO 108B, with a mass around the deuterium burning limit of 13 Jupiter masses, would be classified as either a brown dwarf or an extrasolar planet.
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