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5.3. NRO/OVRO CO(1-0) survey: central regions of nearby spiral galaxies

Published online by Cambridge University Press:  25 May 2016

K. Sakamoto ,
S. K. Okumura ,
S. Ishizuki  and
N. Z. Scoville
K. Sakamoto
Affiliation:
Nobeyama Radio Observatory; Nagano, 384-13, Japan
S. K. Okumura
Affiliation:
Nobeyama Radio Observatory; Nagano, 384-13, Japan
S. Ishizuki
Affiliation:
Nobeyama Radio Observatory; Nagano, 384-13, Japan
N. Z. Scoville
Affiliation:
Caltech; MS 105-24, Pasadena, CA, 91125, USA

Extract

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We have done a CO(1-0) imaging survey of the central regions of nearby spiral galaxies using the Nobeyama and Owens Valley Millimeter Arrays. The survey aims to reveal the nuclear gas properties in normal galaxies that have been paid relatively little attention compared to Seyferts, mergers, and ultraluminous IRAS galaxies. The sample consists of 20 galaxies that meet the following criteria: (1) i < 70° (2) δ > +5° (3) ICOdV ≥ 10 K(T∗A)km s−1 in the FCRAO Extragalactic CO Survey (4) no evidence of significant perturbation (e.g. merging). No selection was made on the basis of nuclear activity or IRAS data. The average distance of the galaxies is 15 Mpc and the average linear resolution is 300 pc.

Type
Part II. Nuclear Interstellar Medium
Information
Symposium - International Astronomical Union , Volume 184: The Central Regions of the Galaxy and Galaxies , 1998 , pp. 215 - 216
Copyright
Copyright © Kluwer 1998