SIMBAD references

2004ApJ...608L.113G - Astrophys. J., 608, L113-L115 (2004/June-3)

A Chandra observation of a TW Hydrae association brown dwarf.

GIZIS J.E. and BHARAT R.

Abstract (from CDS):

We present Chandra observations of the young brown dwarf 2MASSW J1207334-393254, which is a probable member of the TW Hya association. Although this substellar object has strong Hα emission, it has no detected X-ray flux in a 50 ks ACIS-S observation. We place a conservative upper limit of 1.2x1026 ergs/s on its X-ray luminosity. We compare our M8 target to the similar mass object TWA 5B, which has weaker Hα emission but strong X-ray emission. We argue our results are consistent with the notion that 2MASSW J1207334-393254 is interacting with a disk.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: Individual: Name: TW Hydrae - Stars: Activity - Stars: Low-Mass, Brown Dwarfs

CDS comments: Parag. 3 : BRI 0021 = BRI 0021-02

Simbad objects: 10

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