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HI 21-cm and OH 18-cm Absorption Lines in IRAS Galaxies

Published online by Cambridge University Press:  03 August 2017

J. M. Martin ,
L. Bottinelli ,
M. Dennefeld ,
L. Gouguenheim  and
A.-M. Le Squeren
J. M. Martin
Affiliation:
Observatoire de Paris, Section de Meudon, Département de Radioastronomie Décimétrique, F-92195 Meudon Cedex, France and ESO, La Silla, casilla 19001, Santiago 19, Chile
L. Bottinelli
Affiliation:
Observatoire de Paris, Section de Meudon, Département de Radioastronomie Décimétrique, F-92195 Meudon Cedex, France and Université Paris-Sud, F-91405 Orsay Cedex, France
M. Dennefeld
Affiliation:
Institut d'Astrophysique de Paris, 98bis Bd Arago, F-75014 Paris, France
L. Gouguenheim
Affiliation:
Observatoire de Paris, Section de Meudon, Département de Radioastronomie Décimétrique, F-92195 Meudon Cedex, France and Université Paris-Sud, F-91405 Orsay Cedex, France
A.-M. Le Squeren
Affiliation:
Observatoire de Paris, Section de Meudon, Département de Radioastronomie Décimétrique, F-92195 Meudon Cedex, France

Extract

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The 18-cm and 21-cm surveys of luminous infrared galaxies achieved with the Nanlay radiotelescope led to the detection of OH and/or HI absorption lines in 7 bright IRAS galaxies. We show that a careful comparison of optical radial velocities and 1) HI absorption line radial velocities or 2) HI emission line radial velocities gives valuable indication on the radial motions of the circumnuclear gas in our sample of galaxies and in the IRAS galaxies studied by Mirabel and Sander (1988).

Type
XIII- IRAS Ultraluminous Objects and Quasars
Information
Symposium - International Astronomical Union , Volume 146: Dynamics of Galaxies and their Molecular Cloud Distributions , 1991 , pp. 447
Copyright
Copyright © Kluwer 1991 

References

References:

Dennefeld, M., Bottinelli, , Gouguenheim, L., Martin, J.M., 1990, Astron. Astrophys., in preparation Martin, J.M., Bottinelli, L., Dennefeld, M., Gouguenheim, L., 1990, Astron. Astrophys., in preparation Google Scholar
Mirabel, I.F., Sanders, D.B.: 1988, Astrophys. J. 252, 147 Google Scholar