2025PASJ...77.1036K

Query : 2025PASJ...77.1036K

2025PASJ...77.1036K - Publ. Astron. Soc. Jap., 77, 1036-1049 (2025/October-0)

A catalog of molecular clouds possibly associated with Galactic infrared bubbles. I. The southern Galactic plane.

KOHNO M., SOFUE Y., FUKUI Y. and TACHIHARA K.

Abstract (from CDS):

We have carried out a morphological search for molecular clouds possibly associated with 48 Galactic infrared bubbles with angular radii of ${1^{\prime }}$ in the southern Galactic plane of $295^{\circ } \le l\le 350^{\circ }$ and $|b|\le 1^{\circ }$ presented by Hanaoka et al. (2019, PASJ, 71, 6). We identify 116 molecular clouds in the $(l,b, V_{\rm LSR} )$ space from the archival $^{12}$CO $J=1$-0 line data obtained by the Mopra Southern Galactic Plane Survey, where $V_{\rm LSR} $ is the CO-line radial velocity. The kinematic distances are derived from $V_{\rm LSR} $ using the most accurate rotation curve of the Milky Way. We also present measurements of velocity dispersion, size parameter, molecular mass, and virial mass of these 116 molecular clouds. This catalog is presented to investigate star formation and the origin of molecular shells/cavities possibly associated with infrared bubbles. CO line intensity maps and position-velocity diagrams of the molecular clouds are available online as supplementary data.

Abstract Copyright: © The Author(s) 2025. Published by Oxford University Press on behalf of the Astronomical Society of Japan. All rights reserved. For commercial re-use, please contact for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site-for further information please contact

Journal keyword(s): ISM: bubbles - ISM: clouds - ISM: general - ISM: molecules - radio lines: ISM

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
2 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
3 NAME Crux-Scutum Spiral Arm reg 12 30 -60.0           ~ 323 0
4 GRS G308.60 +00.60 HII 13 39.9 -61 45           ~ 108 0
5 RCW 82 HII 13 59.3 -61 27           ~ 33 0
6 NAME Car-Sgr Arm PoG 15 00 -40.0           ~ 581 1
7 SH 2-3 HII 17 12.4 -38 28           ~ 234 1
8 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
9 NAME Norma-Cygnus Arm reg ~ ~           ~ 79 0

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