A 10,000 Years Old Explosion in DR21

Abstract

Sensitive high angular resolution ($\sim$ 2$"$) CO(2-1) line observations made with the Submillimeter Array (SMA) of the flow emanating from the high-mass star forming region DR21 located in the Cygnus X molecular cloud are presented. These new interferometric observations indicate that this well known enigmatic outflow appears to have been produced by an explosive event that took place about 10,000 years ago, and that might be related with the disintegration of a massive stellar system, as the one that occurred in Orion BN/KL 500 years ago, but about 20 times more energetic. This result therefore argues in favor of the idea that the disintegration of young stellar systems perhaps is a frequent phenomenon present during the formation of the massive stars. However, many more theoretical and observational studies are still needed to confirm our hypothesis.

accepted to ApJL

References in corpus (1)

• WFCAM, Spitzer-IRAC and SCUBA observations of the massive star forming region DR21/W75: I. The collimated molecular jets

Cited by in corpus (29)

• SPIRITS: Uncovering Unusual Infrared Transients With Spitzer
• The ALMA View of the OMC1 Explosion in Orion
• The Orion Fingers: Near-IR Adaptive Optics Imaging of an Explosive Protostellar Outflow
• Collective outflow from a small multiple stellar system
• Chemistry of the High-Mass Protostellar Molecular Clump IRAS 16562-3959
• The JCMT BISTRO-2 Survey: Magnetic Fields of the Massive DR21 Filament
• Confirming the Explosive Outflow in G5.89 with ALMA
• Molecular outflows: Explosive versus protostellar
• The role of low-mass star clusters in forming the massive stars in DR 21
• Submillimeter Array High-angular Resolution Observations of the Monoceros R2 Star Forming Cluster
• The Orion fingers: Near-IR spectral imaging of an explosive outflow
• Supersonic Expansion of the Bipolar Hii Region Sh2-106: A 3,500 Year-Old Explosion?
• G5.89: An Explosive Outflow Powered by a Proto-Stellar Merger?
• Possible Explosive Dispersal Outflow in IRAS 16076-5134 revealed with ALMA
• The Orion fingers: H${}_2$ temperatures and excitation in an explosive outflow
• The Cygnus Allscale Survey of Chemistry and Dynamical Environments: CASCADE. II. A detailed kinematic analysis of the DR21 Main outflow
• Molecular jets in the DR21/W75N high-mass star-forming region
• Surveys of Clumps, Cores, and Condensations in the Cygnus X: II. Radio Properties of the Massive Dense Cores
• HI Self-absorption toward the Cygnus X North: From Atomic Filament to Molecular Filament
• Kinetic temperature of massive star-forming molecular clumps measured with formaldehyde V. The massive filament DR21
• Confirming the Explosive Dispersal Outflow in DR21 with ALMA
• An orbital release model for the Orion BN/KL fingers
• SMA line observations of the CH${}_3$OH-maser outflow in DR21(OH)
• A molecular-line study of the interstellar bullet engine IRAS 05506+2414
• Modelling the CO streamers in the explosive ejection of Orion BN/KL region
• Formation of Orion Fingers
• SOFIA FIFI-LS spectroscopy of DR21 Main: energetics of the spatially-resolved outflow from a high-mass protostar
• Fire from Ice - Massive Star Birth from Infrared Dark Clouds
• Explosive ejections generated by gravitational interactions