Influence of Mid-infrared Galactic Bubble on Surroundings: A Case Study on IRAS 16489-4431
Ariful Hoque,
S. N. Bose National Centre for Basic Sciences, Sector-III, Salt Lake, Kolkata-700 106, India. Corresponding author: ariful.hoque@bose.res.in
Tapas Baug,
S. N. Bose National Centre for Basic Sciences, Sector-III, Salt Lake, Kolkata-700 106, India. Corresponding author: tapasbaug@bose.res.in
Lokesh Dewangan,
Astronomy & Astrophysics Division, Physical Research Laboratory, Navrangpura, Ahmedabad 380009, India
Ke Wang,
Kavli Institute for Astronomy and Astrophysics, Peking University, Haidian District, Beijing 100871, People’s Republic of China
Tie Liu,
Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People’s Republic of China
Soumen Mondal,
S. N. Bose National Centre for Basic Sciences, Sector-III, Salt Lake, Kolkata-700 106, India
Abstract
We studied the influence of a massive star on a mid-infrared bubble and its surrounding gas in the IRAS 16489-4431 star-forming region using multi-wavelength data. The Spitzer midinfrared band images revealed the shocked nature of the bubble. Analyses showed that the bubble is developed by a massive star owing to its strong radiation pressure. Evidence of collected material along the edge of the bubble was noted by the cold gas tracer line observed using Atacama Millimeter/submillimeter Array (ALMA). The presence of dense dust cores with bipolar outflows and young stellar objects toward the collected material is suggestive of active star formation possibly influenced by the expansion of the radiation driven bubble.
Keywords : Interstellar medium, Star formation, mid-infrared bubble, multi-wavelength
Pour citer cet article
Ariful Hoque, Tapas Baug, Lokesh Dewangan, Ke Wang, Tie Liu & Soumen Mondal, «Influence of Mid-infrared Galactic Bubble on Surroundings: A Case Study on IRAS 16489-4431», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 93 - Année 2024, No 2 - Proceeedings of the 3rd BINA Workshop on the Scientific Potential of the Indo-Belgian Cooperation, 601-612 URL : https://popups.uliege.be/0037-9565/index.php?id=11811.