Negative and positive feedback from a supernova remnant with SHREC. a detailed study of the shocked gas in IC443
Journal article, 2022
Supernova remnants (SNRs) contribute to regulate the star formation efficiency and evolution of galaxies. As they expand into the interstellar medium (ISM), they transfer vast amounts of energy and momentum that displace, compress, and heat the surrounding material. Despite the extensive work in galaxy evolution models, it remains to be observationally validated to what extent the molecular ISM is affected by the interaction with SNRs. We use the first results of the ESO-ARO Public Spectroscopic Survey SHREC to investigate the shock interaction between the SNR IC443 and the nearby molecular clump G. We use high-sensitivity SiO(2-1) and (HCO+)-C-13 (1-0) maps obtained by SHREC together with SiO(1-0) observations obtained with the 40-m telescope at the Yebes Observatory. We find that the bulk of the SiO emission is arising from the ongoing shock interaction between IC443 and clump G. The shocked gas shows a well-ordered kinematic structure, with velocities blue-shifted with respect to the central velocity of the SNR, similar to what observed towards other SNR-cloud interaction sites. The shock compression enhances the molecular gas density, n(H-2), up to >10(5) cm(-3), a factor of >10 higher than the ambient gas density and similar to values required to ignite star formation. Finally, we estimate that up to 50 per cent of the momentum injected by IC443 is transferred to the interacting molecular material. Therefore, the molecular ISM may represent an important momentum carrier in sites of SNR-cloud interactions.
ISM: kinematics and dynamics
ISM: clouds
ISM: supernova remnants
ISM: individual objects: IC443, clump G
Author
[Person 0718ba5c-784f-47f8-94a5-b08e67280731 not found]
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
[Person d063e4f2-d6b3-43cb-afec-c8e5f5db88c1 not found]
Spanish Astrobiology Center (INTA-CSIC)
[Person 62ee1314-aa23-4233-9843-9d1da68c3136 not found]
University of Virginia
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
[Person 4d57f863-c71b-427b-bf17-1f8e71ad3d7d not found]
Max Planck Society
[Person ee1d44ff-dc16-41dd-a312-fbbf57a0b68f not found]
University of Bonn
[Person 62a444fc-bca9-4598-a2ba-189a6ca88adf not found]
European Southern Observatory (ESO)
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
[Person 1bc13fe1-ffe2-4764-813f-b31df6e51983 not found]
RIKEN
[Person 13fd24b7-650c-4e01-91f4-b5d688b66d3e not found]
Istituto nazionale di astrofisica (INAF)
[Person 62bf29b4-7692-4159-b357-0956c9d2000f not found]
Max Planck Institute for Extraterrestrial Physics
[Person 9d9f057f-b2a2-4a28-baad-d1d0c29df2a5 not found]
University College London (UCL)
Leiden University
[Person efc3eb74-1925-4bb6-bb60-8832b014bb6b not found]
National Institutes of Natural Sciences
Osaka Prefecture University
[Person dc326f9f-6ef2-454b-8bac-109c6ed29d4f not found]
Spanish Astrobiology Center (INTA-CSIC)
[Person 1a06c909-03bb-4c20-bdb0-99903ea261a4 not found]
Spanish Astrobiology Center (INTA-CSIC)
[Person 17fa80ee-56ba-48f1-8599-6a0a6cc79247 not found]
University of Palermo
Istituto nazionale di astrofisica (INAF)
[Person f4899c79-f0a4-4428-9eef-015d6e412f96 not found]
Istituto nazionale di astrofisica (INAF)
[Person 14a253cd-380b-4f34-b110-ce75ed48c191 not found]
Istituto nazionale di astrofisica (INAF)
[Person 5acbebd2-c20d-4464-a718-5ccaf5aee462 not found]
University of Amsterdam
Istituto nazionale di astrofisica (INAF)
[Person 48a98edc-ee4f-45cb-95d2-65365b328000 not found]
Istituto nazionale di astrofisica (INAF)
University of Palermo
[Person 97de20e6-d607-4e76-b67f-50e1a6603e3a not found]
Istituto nazionale di astrofisica (INAF)
[Person 5585c797-91cc-4a1c-b60e-ca16ec2e80af not found]
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
[Person 1d3f47fd-3cf7-43a8-81f5-39dc31a63156 not found]
Chalmers, Space, Earth and Environment, Astronomy and Plasmaphysics
[Person b2afefd8-0c29-4efd-a1ee-dc2d432f7d21 not found]
European Southern Observatory Santiago
[Person ce8dae66-918c-439d-bcbe-dc8c95802e48 not found]
Spanish Astrobiology Center (INTA-CSIC)
Monthly Notices of the Royal Astronomical Society
0035-8711 (ISSN) 1365-2966 (eISSN)
Vol. 511 1 953-963Subject Categories
Astronomy, Astrophysics and Cosmology
DOI
10.1093/mnras/stac070