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High mass Star formation in the giant molecular cloud NGC 6334: an infrared view

Published online by Cambridge University Press:  08 November 2005

P. Persi ,
M. Tapia ,
M. Roth ,
M. Gómez  and
A. R. Marenzi
P. Persi
Affiliation:
Istituto Astrofisica Spaziale e Fisica Cosmica, INAF, Via FOSSO del Cavaliere 100, I-00133, Roma, Italy email: [email protected]
M. Tapia
Affiliation:
Instituto de Astronomía, UNAM, Apartado Postal 877, 22830 Ensenada, B.C. Mexico email: [email protected]
M. Roth
Affiliation:
Las Campanas Observatory, Carnegie Institution of Washington, Casilla 601, La Serena, Chile email: [email protected]
M. Gómez
Affiliation:
Observatorio Astronómico de Córdoba, Laprida 854, 5000 Córdoba, Argentina email: [email protected]
A. R. Marenzi
Affiliation:
Istituto Astrofisica Spaziale e Fisica Cosmica, INAF, Via FOSSO del Cavaliere 100, I-00133, Roma, Italy email: [email protected]
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Abstract

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Sub-Arcsec images in the JHK$_s$, H$_2$ and Br$_\gamma$ of three areas (I(N), F and NGC 6334 IV (MM3)) of the giant molecular cloud NGC 6334 are presented. The preliminary results indicate the presence of a deeply embedded young stellar cluster in the northermost part of the cloud (I(N)). We have identified the exciting source of the cometary UCHII NGC 6334 F. This source has an infrared luminosity L$_{\rm IRacute;{=} $3 10$^3$ L$_{\odot}$ and a very steep infrared spectral index. Finally, a new center of massive star formation associated with the millimeter peak MM3 has been found east of the bipolar HII region NGC 6334 a.

Keywords

ISM: InfraredStars: formationISM: HII regionsISM: clouds
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Symposium S227: Massive Star Birth: A Crossroads of Astrophysics , May 2005 , pp. 291 - 296
Copyright
© 2005 International Astronomical Union