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Multiwavelength investigation of extended green object G19.88-0.53: revealing a protocluster.
- Source :
-
Monthly Notices of the Royal Astronomical Society . Oct2020, Vol. 497 Issue 4, p5454-5472. 19p. - Publication Year :
- 2020
-
Abstract
- A multiwavelength analysis of star formation associated with the extended green object, G19.88-0.53 is presented in this paper. With multiple detected radio and millimetre components, G19.88-0.53 unveils as harbouring a protocluster rather than a single massive young stellar object. We detect an ionized thermal jet using the upgraded Giant Meterwave Radio Telescope, India, which is found to be associated with a massive, dense and hot ALMA 2.7 mm core driving a bipolar CO outflow. Near-infrared spectroscopy with UKIRT–UIST shows the presence of multiple shock-excited H2 lines concurrent with the nature of this region. Detailed investigation of the gas kinematics using ALMA data reveals G19.88-0.53 as an active protocluster with high-mass star-forming components spanning a wide evolutionary spectrum from hot cores in accretion phase to cores driving multiple outflows to possible UCH ii regions. [ABSTRACT FROM AUTHOR]
- Subjects :
- *RADIO telescopes
*STAR formation
*KINEMATICS
Subjects
Details
- Language :
- English
- ISSN :
- 00358711
- Volume :
- 497
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Monthly Notices of the Royal Astronomical Society
- Publication Type :
- Academic Journal
- Accession number :
- 145521074
- Full Text :
- https://doi.org/10.1093/mnras/staa2301