SIMBAD references

2004MNRAS.354..913B - Mon. Not. R. Astron. Soc., 354, 913-914 (2004/November-1)

Search for radio emission from the nearby binary brown dwarf system ε Indi Bab.


Abstract (from CDS):

We have observed the nearest known brown dwarfs, the binary system ε Indi Bab (d= 3.626 pc), for 8.6- and 4.8-GHz radio emission with the Australia Telescope Compact Array. If either brown dwarf emits radio flares, then they are respectively at least 5.5 and 1.2 times weaker than LP 944-20, the nearest brown dwarf with detected radio emission. We associate the ROSAT source 1WGA J2203.9-5647 with ε Indi Bab since the separation was about 30 arcsec at the time of the ROSAT observation. Assuming the association, then ε Indi Bab has an L0.4–2.4keV X-ray luminosity of 5.6x1025 erg/s which makes it roughly a factor of 2 less luminous than LP 944-20. The radio non-detections imply that ε Indi Bab does not violate, or at least does not violate as strongly as LP 944-20, the Güdel-Benz relationship of X-ray and radio emission.

Abstract Copyright: 2004 RAS

Journal keyword(s): stars: individual: ε Indi Bab - stars: low-mass, brown dwarfs - radio continuum: stars

CDS comments: In Intro: Tet Orionis is a misprint for Sig Orionis, see ref. 2002A&A. ..391.1025M . In table 1: PKS B2211-373 not identified.

Simbad objects: 11

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