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Southern YSO GRV10 and its environment

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In this paper the southern cometary nebula GRV10 and its environment are investigated. The object is connected with a molecular cloud (its dimensions are ~4 pc). 12CO (1-0) observations toward GRV10 revealed the presence of two molecular outflows (a bipolar outflow), a red and a blue-shifted outflow, which coincide in position, indicating that they are moving along the line of sight in opposite directions. Near GRV10 a bright IR star, GRV10 IR, is discovered (near the southern edge of the nebula) and since its spectra and near IR colors favor it to be a Mira type star, a distance of ~4.4 kpc can be estimated. Star GRV10 IR appears connected with the IRAS point source IRAS 10406-6256. The grouping of stars (YSOs - young stellar objects) connected with GRV10 and embedded in a dark nebulosity is also discussed. This grouping is associated with the IRAS point source IRAS 10406-6253, which has FIR colors typical for embedded, not evolved, YSOs.

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Authors and Affiliations

  1. V.A.Ambartsumian Byurakan Astrophysical Observatory, Byurakan, Armenia

    A. L. Gyulbudaghian

  2. Departamento de Astronomia, Universidad de Chile, Santiago, Chile

    J. May

Authors
  1. A. L. Gyulbudaghian
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  2. J. May
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Corresponding author

Correspondence to A. L. Gyulbudaghian.

Additional information

Published in Astrofizika, Vol. 53, No. 4, pp. 565–573 (November 2010).

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Gyulbudaghian, A.L., May, J. Southern YSO GRV10 and its environment. Astrophysics 53, 503–510 (2010). https://doi.org/10.1007/s10511-010-9142-9

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  • DOI: https://doi.org/10.1007/s10511-010-9142-9

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