UScoCTIO 108

UScoCTIO 108A
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Scorpius
Right ascension 16h 05m 53.94s[1]
Declination −18° 18′ 42.7″[1]
Characteristics
Spectral type M7[2]
Astrometry
Distance473 ± 6 ly
(145 ± 2[2] pc)
Details
Mass0.06 ± 0.02 [2] M☉
Luminosity0.01 [2] L☉
Temperature2700 ± 100 [2] K
Database references
SIMBADdata
UScoCTIO 108B
Position (relative to A)
Epoch of observationJ2007.5
Angular distance4.6 ± 0.1″ [2]
Position angle177 ± 1° [2]
Observed separation
(projected)		~670 AU [2]
Characteristics
Spectral type M9.5–L3[2]
Details
Mass0.013+0.002−0.008 [2] M☉
Luminosity0.0007 [2] L☉
Temperature2350+100−400 [2] K
Other designations
UscoCTIO 108b[3]
Database references
SIMBADdata

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.[2]

References

  1. 1 2 UScoCTIO 108, entry, SIMBAD. Accessed on line June 17, 2008.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 V. J. S. Bejar; M. R. Zapatero Osorio; A. Perez-Garrido; C. Álvarez; et al. (February 2008). "Discovery of a Wide Companion near the Deuterium-burning Mass Limit in the Upper Scorpius Association" (PDF). Astrophysical Journal. 673 (2): L185–L189. arXiv:0712.3482Freely accessible. Bibcode:2008ApJ...673L.185B. doi:10.1086/527557.
  3. ↑ NAME UScoCTIO 108b, entry, SIMBAD. Accessed on line June 17, 2008.
This article is issued from Wikipedia - version of the 1/2/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.