SCR 1845-6357

Encyclopedia : S : SC : SCR : SCR 1845-6357

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SCR 1845-6357 is a red dwarf star about 11 light-years away in the constellation Corona Australis. This star has a mass of about 7% of the Sun. However the measurements are still preliminary and are subject to change.

This star has been found to possess a brown dwarf companion, designated SCR 1845-6357 B. The companion, classified as a T-dwarf, orbits at a distance of 4.5 AUs from the primary, has a mass between 9 and 65 times the mass of Jupiter, and an estimated surface temperature of 750°C.

An artist's conception of SCR 1845-6357 B looking at A

See also

• OTS 44
• Cha 110913-773444
• List of nearest stars

References

• Hambly, N.C., "et al", 2005, "The Solar Neighborhood. VIII. Discovery of New High Proper Motion Nearby Stars Using the SuperCOSMOS Sky Survey", The Astronomical Journal, Vol. 128
• Deacon, Niall R. et al, 2005, "The Solar Neighborhood. XI. The Trigonometric Parallax of SCR 1845-6357", The Astronomical Journal, Vol. 129.
• B.A. Biller et al, 2006, "Discovery of a Very Nearby Brown Dwarf to the Sun: A Methane Rich Brown Dwarf Companion to the Low Mass Star SCR 1845-6357", Astrophysical Journal Letters.

External links

• [New Objects within 20 light-years] at SolStation.
• [VLT Finds Very Cool Brown Dwarf In The Neighborhood] (SkyNightly) Mar 22, 2006

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