Gamma-ray observation towards the young massive star cluster NGC 6618 in the M17 region
arXiv:2205.06430 · doi:10.1093/mnras/stac1252
Abstract
Young massive clusters have been established as a new population of gamma-ray sources and potential cosmic ray (CR) accelerators. In this paper, we report the detection of gamma-ray emissions near the young star cluster NGC 6618, which is one of the youngest star clusters in our Galaxy. The detected gamma-ray emissions can be divided into two components. One component is point-like and reveals harder spectrum, while the other is extended and with softer spectrum. Such spectral features are significantly different from other young massive clusters and may be due to the propagation effects of CRs accelerated in NGC 6618.
arXiv comment7 pages, 4 figures; accepted for publication in MNRAS
References in corpus (26)
- Trigonometric Parallaxes Of High-Mass Star Forming Regions: Our View Of The Milky Way
- Fermi-LAT Discovery of Extended Gamma-ray Emission in the Direction of Supernova Remnant W51C
- The Milky Way Imaging Scroll Painting (MWISP): Project Details and Initial Results from the Galactic Longitude of 25.8deg to 49.7deg
- Trigonometric Parallaxes of Massive Star Forming Regions: VIII. G12.89+0.49, G15.03-0.68 (M17) and G27.36-0.16
- The Extended Environment of M17: A Star Formation History
- Discovery of extended VHE γ-ray emission from the vicinity of the young massive stellar cluster Westerlund 1
- HAWC observations of the acceleration of very-high-energy cosmic rays in the Cygnus Cocoon
- Cosmic ray transport in starburst galaxies
- Diffuse gamma-ray emission in the vicinity of young star cluster Westerlund 2
- Evidence for Delayed Massive Star Formation in the M17 Proto-OB Association
- Detection of diffuse gamma-ray emission near the young massive cluster NGC 3603
- Rapid Circumstellar Disk Evolution and an Accelerating Star Formation Rate in the Infrared Dark Cloud M17 SWex
- M17 MIR: A massive protostar with multiple accretion Outbursts
- Diffuse gamma-ray emission toward the massive star-forming region, W40
- Massive pre-main sequence stars in M17
- Hadronic processes within collective stellar winds
- Morphological and spectral study of 4FGL J1115.1-6118 in the region of the young massive stellar cluster NGC 3603
- The diffuse gamma-ray emission toward the Galactic mini starburst W43
- Extended Gamma-ray Emission from the G25.0+0.0 Region: A Star Forming Region Powered by the Newly Found OB Association?
- Surveying the Giant HII Regions of the Milky Way with SOFIA: II. M17
- Diffuse gamma-ray emission from the vicinity of young massive star cluster RSGC 1
- Large-scale molecular gas distribution in the M17 cloud complex: dense gas conditions of massive star formation?
- VLT near- to mid-IR imaging and spectroscopy of the M17 UC1-IRS5 region
- CEN34 -- High-Mass YSO in M17 or Background Post-AGB Star?
- Structures of GMC W 37
- New Massive Contact Twin Binary in a Radio-quiet HII Region Associated with the M17 Complex