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Aims. The aim is to explore the interstellar medium around the dust bubble N131 and search for signatures of star formation. Methods. We perform a multiwavelength study around the N131 with data taken from large-scale surveys of infrared…

Astrophysics of Galaxies · Physics 2013-01-15 Chuan-Peng Zhang , Jun-Jie Wang , Jin-Long Xu

A multi-wavelength analysis of the large Galactic infrared bubble N 24 is has been presented in this paper in order to investigate the molecular and star formation environment around expanding HII regions. Using archival data from Herschel…

Aims. To increase the observational samples of star formation around expanding Hii regions, we analyzed the interstellar medium and star formation around N22. Methods. We used data extracted from the seven large-scale surveys from infrared…

Astrophysics of Galaxies · Physics 2012-06-14 W. G. Ji , J. J. Zhou , J. Esimbek , Y. F. Wu , G. Wu , X. D. Tang

With the aim of investigating the presence of molecular and dust clumps linked to two star forming regions identified in the expanding molecular envelope of the stellar wind bubble RCW78, we analyzed the distribution of the molecular gas…

Astrophysics of Galaxies · Physics 2015-06-17 C. E. Cappa , M. Rubio , G. A. Romero , N. U. Duronea , V. Firpo

We studied the environment of the dust bubble N10 in molecular emission. Infrared bubbles, first detected by the GLIMPSE survey at 8.0 $\mu$m, are ideal regions to investigate the effect of the expansion of the HII region on its…

Astrophysics of Galaxies · Physics 2016-10-18 D. R. G. Gama , J. R. D. Lepine , Y. Wu , J. Yuan , E. Mendoza

AIMS: We investigate the environment of the infrared dust bubble N65 and search for evidence of triggered star formation in its surroundings. METHODS: We performed a multiwavelength study of the region around N65 with data taken from…

Astrophysics of Galaxies · Physics 2015-05-18 A. Petriella , S. A. Paron , E. B. Giacani

We investigated the physical properties of molecular clouds and star formation processes around infrared bubbles which are essentially expanding HII regions. We performed observations of 13 galactic infrared bubble fields containing 18…

Astrophysics of Galaxies · Physics 2016-10-26 Qing-zeng Yan , Ye Xu , Bo Zhang , Deng-rong Lu , Xi Chen , Zheng-hong Tang

We present multi-wavelength analysis around mid-infrared bubble N14 to probe the signature of triggered star formation as well as the formation of new massive star(s) and/or cluster(s) on the borders of the bubble by the expansion of the H…

Astrophysics of Galaxies · Physics 2015-06-12 L. K. Dewangan , D. K. Ojha

Using the data from the Galactic Ring Survey (GRS) and Galactic Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE), we performed a study for a large-scale infrared bubble with a size of about 16 pc at a distance of 2.0 kpc. We…

Solar and Stellar Astrophysics · Physics 2014-09-17 Jin-Long Xu , Bing-Gang Ju

We investigated the environment of the infrared dust bubble N68 and searched for evidence of triggered star formation in its surroundings. We performed a multiwavelength study of the nebula with data taken from several large-scale surveys:…

Astrophysics of Galaxies · Physics 2015-06-11 Chuan-Peng Zhang , Jun-Jie Wang

Based on the molecular emission in the $^{12}$CO(2-1) and $^{13}$CO(2-1) lines, and the continuum emission in the MIR and FIR towards the S21 IR dust bubble, we analyze the physical characteristics of the gas and dust linked to the nebula…

Astrophysics of Galaxies · Physics 2016-11-09 C. E. Cappa , N. U. Duronea , J. Vasquez , M. Rubio , V. Firpo , C. -H. López-Caraballo , J. Borissova

Aiming at studying the physical properties of Galactic IR bubbles and to explore their impact in triggering massive star formation, we perform a multiwavelength analysis of the bubble HII region Sh2-39 (N5) and its environs. To analyze the…

Astrophysics of Galaxies · Physics 2017-09-27 N. U. Duronea , C. E. Cappa , L. Bronfman , J. Borissova , M. Gromadzki

We investigate the environment of the infrared dust bubble S51 and search for evidence of triggered star formation in its surroundings. We performed a multiwavelength study of the region around S51 with data taken from large-scale surveys:…

Astrophysics of Galaxies · Physics 2012-07-03 Chuan Peng Zhang , Jun Jie Wang

We present a multiwavelength investigation of star formation activity towards the southern H II regions associated with IRAS 17160-3707, located at a distance of 6.2 kpc with a bolometric luminosity of 830000 Lsun.The ionised gas…

Astrophysics of Galaxies · Physics 2016-11-15 G. Nandakumar , V. S. Veena , S. Vig , A. Tej , S. K. Ghosh , D. K. Ojha

The physical mechanisms that induce the transformation of a certain mass of gas in new stars are far from being well understood. Infrared bubbles associated with HII regions have been considered to be good samples of investigating triggered…

To observationally explore physical processes, we present a multi-wavelength study of a wide-scale environment toward l = 13.7 - 14.9 degrees containing a mid-infrared bubble N14. The analysis of 12CO, 13CO, and C18O gas at [31.6, 46] km/s…

Astrophysics of Galaxies · Physics 2020-07-29 L. K. Dewangan , T. Baug , L. E. Pirogov , D. K. Ojha

We present a multi-wavelength study of the IR bubble G24.136+00.436. The J=1-0 observations of $^{12}$CO, $^{13}$CO and C$^{18}$O were carried out with the Purple Mountain Observatory 13.7 m telescope. Molecular gas with a velocity of 94.8…

Solar and Stellar Astrophysics · Physics 2015-06-23 Hong-Li Liu , Yuefang Wu , JinZeng Li , Jing-Hua Yuan , Tie Liu , Xiaoyi Dong

A multiwavelength investigation of the southern infrared dust bubble CS51 is presented in this paper. We probe the associated ionized, cold dust, molecular and stellar components. Radio continuum emission mapped at 610 and 1300 MHz, using…

Astrophysics of Galaxies · Physics 2017-09-11 Swagat Ranjan Das , Anandmayee Tej , Sarita Vig , Hong-Li Liu , Tie Liu , Swarna K. Ghosh , Ishwara Chandra C. H.

We present CARMA observations in 3.3 mm continuum and several molecular lines of the surroundings of N14, N22, and N74, three infrared bubbles from the GLIMPSE catalog. We have discovered 28 compact continuum sources and confirmed their…

Astrophysics of Galaxies · Physics 2015-06-11 Reid Sherman

We present a multi-wavelength analysis of the infrared dust bubble S24, and its environs, with the aim of investigating the characteristics of the molecular gas and the interstellar dust linked to them, and analyzing the evolutionary status…

Astrophysics of Galaxies · Physics 2015-12-16 C. E. Cappa , N. U. Duronea , V. Firpo , J. Vasquez , C. H. López-Caraballo , M. Rubio , M. M. Vazzano
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