دورية أكاديمية

Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316

التفاصيل البيبلوغرافية
العنوان: Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316
المؤلفون: Saurabh Sharma, Aayushi Verma, Kshitiz Mallick, Lokesh K. Dewangan, Harmeen Kaur, Ram Kesh Yadav, Neelam Panwar, Devendra K. Ojha, Tarak Chand, Mamta Agarwal
المصدر: The Astronomical Journal, Vol 167, Iss 3, p 106 (2024)
بيانات النشر: IOP Publishing, 2024.
سنة النشر: 2024
المجموعة: LCC:Astronomy
مصطلحات موضوعية: Interstellar filaments, Star clusters, Star formation, Astronomy, QB1-991
الوصف: We present a multiwavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster, including its shape (elongated), size ( R _cluster = 0.4 pc), distance (1.3 ± 0.3 kpc), and minimum reddening ( A _V = 1.55 mag). We discovered two massive stars (B2.0V-B1.5V, age ∼12 Myr) embedded ( A _V = 4 mag) within this cluster. The cluster region still forms young stars even though the most massive star was born ∼12 Myr ago. We also found evidence of positive feedback from these massive stars. We identified a cold gas/dust lane extending westward from the cluster. The western end of the dust lane seems to favor low-mass star formation, whereas the cluster end favors bit massive star formation, which seems to have started earlier than the western end. We found an elongated molecular cloud in this region, characterized by numerous filamentary structures. The morphology of the filaments, along with position–velocity maps, velocity dispersion maps, channel maps, etc., indicate a coalescence of filaments and a potential longitudinal flow of matter toward the cluster through the western end of the gas/dust lane. This entire region seems to be a Hub-filamentary system (HFS), in which the NGC 2316 cluster is probably the hub and the dark lane is the main filamentary structure. Being the gravity well of this HFS, star formation started first in the NGC 2316 region and went on to the other filamentary nodes.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1538-3881
Relation: https://doaj.org/toc/1538-3881
DOI: 10.3847/1538-3881/ad19cd
URL الوصول: https://doaj.org/article/dd01a03a086b4ca88a3311fd8a9b74e7
رقم الأكسشن: edsdoj.01a03a086b4ca88a3311fd8a9b74e7
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:15383881
DOI:10.3847/1538-3881/ad19cd