Herbig-Haro objects - tracers of the formation of low-mass stars and sub-stellar objects

Stecklum, Bringfried and Meusinger, Helmut and Froebrich, Dirk (2007) Herbig-Haro objects - tracers of the formation of low-mass stars and sub-stellar objects. Astrophysics and Space Science, 311 (1-3). pp. 63-67. ISSN 0004-640X . (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Herbig-Haro objects (HHOs) are caused by outflows from young objects. Since the outflow relies on mass accretion from a circumstellar disk, it indicates ongoing growth. Recent results of infrared observations yielded evidence for disks around brown dwarfs. This suggests that at least a certain fraction of brown dwarfs forms like stars. Thus, young sub-stellar objects might cause HHOs as well. We present selected results of a general survey for HHOs based on DSS-II plates and CCD images taken with the Tautenburg Schmidt telescope. Numerous young objects could be identified due to their association with newly detected HHOs. In some cases the luminosity is consistent with very low-mass stars or close to sub-stellar values. This holds for L1415-IRS and a few infrared sources embedded in other dark clouds (e.g., GF9, BHR111). The question on the minimum mass for outflow activity is addressed.

Item Type: Article
Uncontrolled keywords: ISM : clouds; individual(GF9, LDN1415, BHR111); Herbig-Haro objects; individual(HH892); jets and outflows; stars : formation; low-mass; brown dwarfs; individual(BHR111-IR, IRAS04376+5413, IRAS20503+6006)
Subjects: Q Science > Q Science (General)
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: Jane Griffiths
Date Deposited: 18 Mar 2008 09:35
Last Modified: 19 May 2014 15:42
Resource URI: https://kar.kent.ac.uk/id/eprint/2207 (The current URI for this page, for reference purposes)
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