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Herschel observations of deuterated watertowards Sgr B2(M)

Published online by Cambridge University Press:  25 November 2011

M. Röllig ,
R. Simon ,
V. Ossenkopf ,
J. Stutzki ,
C. Comito ,
P. Schilke ,
R. Rolffs ,
D.C. Lis  and
E.A. Bergin
C. Comito
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
P. Schilke
Affiliation:
I. Physikalisches Institut, Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany
R. Rolffs
Affiliation:
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
D.C. Lis
Affiliation:
California Institute of Technology, Cahill Center for Astronomy and Astrophysics 301-17, Pasadena, CA 91125, USA
E.A. Bergin
Affiliation:
Department of Astronomy, University of Michigan, 500 Church Street, Ann Arbor, MI 48109, USA
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Abstract

Observations of HDO are an important complement for studies of water, because they givestrong constraints on the formation processes – grain surfaces versusenergetic process in the gas phase, e.g. in shocks. The HIFIobservations of multiple transitions of HDO in Sgr B2(M) presented here allow thedetermination of the HDO abundance throughout the envelope, which has not been possiblebefore with ground-based observations only. For more details, see Comito et al.(2010).

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 52: Conditions and Impact of Star Formation , 2011 , pp. 283 - 284
Copyright
© EAS, EDP Sciences 2011

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References

Comito, C., et al., 2003, A&A, 402, 635 (C03)
Comito, C., et al., 2010, A&A, 521, 38
Rolffs, R., et al., 2010, A&A, 521, 46