SCR 1845−6357
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SCR 1845−6357 is a binary system, away in the
constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...
Pavo. The primary is a faint
red dwarf ''Red Dwarf'' is a British science fiction comedy franchise created by Rob Grant and Doug Naylor, which primarily consists of a television sitcom that aired on BBC Two between 1988 and 1999, and on Dave since 2009, gaining a cult following. T ...
. It has a brown dwarf companion. The primary red dwarf was discovered in 2004 by Hambly et al., while the secondary brown dwarf was later discovered in 2006.


System

The primary, SCR 1845−6357A, is a faint ( apparent magnitude 17.4) ultra-cool red dwarf with a mass of about 7% of the Sun's. However, the measurements are still preliminary and are subject to change. This star has been found to possess a brown dwarf companion, designated SCR 1845-6357B. The companion, classified as a T-dwarf, has an observed projected distance of 4.1 AU, an estimated mass between 40 and 50 times the mass of Jupiter, and an estimated effective temperature of 950 K. The brown dwarf has a near-IR J-band magnitude of 13.26.


See also

* OTS 44 * Cha 110913−773444 * List of nearest stars and brown dwarfs


References


External links


New Objects within 20 light-years
at SolStation.
SCR 1845−6357
{{Stars of Pavo Local Bubble Pavo (constellation) M-type main-sequence stars T-type brown dwarfs Binary stars J18450541-6357475