Investigating the Star-forming Sites in the Outer Galactic Arm Article Swipe
Aayushi Verma
,
Saurabh Sharma
,
L. K. Dewangan
,
D. K. Ojha
,
K. K. Mallick
,
Ram Kesh Yadav
,
Harmeen Kaur
,
Tarak Chand
,
Mamta
,
Archana Gupta
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.3847/1538-3881/ad5a8b
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.3847/1538-3881/ad5a8b
We aim to investigate the global star formation scenario in star-forming sites AFGL 5157, [FSR2007] 0807 (hereafter FSR0807), [HKS2019] E70 (hereafter E70), [KPS2012] MWSC 0620 (hereafter KPS0620), and IRAS 05331+3115 in the outer Galactic arm. The distribution of young stellar objects in these sites coincides with a higher extinction and H 2 column density, which agrees with the notion that star formation occurs inside the dense molecular cloud cores. We have found two molecular structures at different velocities in this direction; one contains AFGL 5157 and FSR0807, and the other contains E70, [KPS2012] MWSC 0620, and IRAS 05331+3115. All these clusters in our target region are in different evolutionary stages and might form stars through different mechanisms. The E70 cluster seems to be the oldest in our sample; AFGL 5157 and FSR0807 formed later, and KPS0620 and IRAS 05331+3115 are the youngest sites. AFGL 5157 and FSR0807 are physically connected and have cold filamentary structures and dense hub regions. Additionally, the near-infrared photometric analysis shows signatures of massive star formation in these sites. KPS0620 also seems to have cold filamentary structures with the central hub but lacks signatures of massive stars. Our analysis suggests molecular gas flow and the hub filamentary star formation scenario in these regions. IRAS 05331+3115 is a single clump of molecular gas favoring low-mass star formation. Our study suggests that the selected area is a menagerie of star-forming sites where the formation of the stars happens through different processes.
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- Type
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- Language
- en
- Landing Page
- https://doi.org/10.3847/1538-3881/ad5a8b
- OA Status
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- Cited By
- 4
- References
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- OpenAlex ID
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https://doi.org/10.3847/1538-3881/ad5a8bDigital Object Identifier
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Investigating the Star-forming Sites in the Outer Galactic ArmWork title
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articleOpenAlex work type
- Language
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enPrimary language
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2024Year of publication
- Publication date
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2024-07-31Full publication date if available
- Authors
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Aayushi Verma, Saurabh Sharma, L. K. Dewangan, D. K. Ojha, K. K. Mallick, Ram Kesh Yadav, Harmeen Kaur, Tarak Chand, Mamta, Archana GuptaList of authors in order
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https://doi.org/10.3847/1538-3881/ad5a8bPublisher landing page
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goldOpen access status per OpenAlex
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https://doi.org/10.3847/1538-3881/ad5a8bDirect OA link when available
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2025: 4Per-year citation counts (last 5 years)
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