English
Related papers

Related papers: Probing MHD Shocks with high-J CO observations: W2…

200 papers

The environs of three supernova remnants (SNR) with associated OH 1720 MHz masers, G349.7+0.2, CTB 37A and G16.7+0.1, have been surveyed in the CO J=1-0 transition with the 12 Meter Telescope of the NRAO, using the On-The-Fly technique.…

Astrophysics · Physics 2009-10-31 Estela M. Reynoso , Jeffrey G. Mangum

We present near- and mid-infrared observations on the shock-cloud interaction region in the southern part of the supernova remnant HB 21, performed with the InfraRed Camera (IRC) aboard AKARI satellite and the Wide InfraRed Camera (WIRC) at…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Jong-Ho Shinn , Bon-Chul Koo , Michael G. Burton , Ho-Gyu Lee , Dae-Sik Moon

Mixed-morphology supernova remnants (MMSNRs) are characterized by a shell-like morphology in the radio and centrally-peaked thermal emission in the X-ray band. The nature of this peculiar class of supernova remnants (SNRs) remains a…

High Energy Astrophysical Phenomena · Physics 2024-04-01 Alexandros Chiotellis , Emmanouil Zapartas , Dominique M. -A. Meyer

Supernova remnants (SNRs) play a central role in shaping the interstellar medium. Core-Collapse Supernova (CCSN) progenitors are massive stars, which produce a dense circumstellar medium (CSM) through intense mass loss in post-main sequence…

Solar and Stellar Astrophysics · Physics 2026-05-07 C. J. K. Larkin , J. Mackey , B. Reville , H. Jin , N. Langer , A. A. C. Sander

We report the detection of shock-excited far-infrared emission of H2O, OH, and CO from the supernova remnant 3C 391, using the ISO Long-Wavelength Spectrometer. This is the first detection of thermal H2O and OH emission from a supernova…

Astrophysics · Physics 2009-10-30 William T. Reach , Jeonghee Rho

The supernova remnant (SNR) G25.1-2.3 was identified in the radio band during the Sino-German $\lambda$6 cm survey of the Galactic plane. We present a detailed investigation of the optical, HI, and CO emission towards the G25.1-2.3 to…

High Energy Astrophysical Phenomena · Physics 2026-04-06 Ebru Aktekin , Hicran Bakış , Volkan Bakış , Yuya Asano , Hidetoshi Sano , Yasuo Fukui , Aytap Sezer

Supernovae and their remnants provide energetic feedback to the ambient interstellar medium (ISM), which is often distributed in multiple gas phases. Among them, warm molecular hydrogen (H$_2$) often dominates the cooling of the shocked…

Astrophysics of Galaxies · Physics 2022-11-29 Yunwei Deng , Zhi-Yu Zhang , Ping Zhou , Junzhi Wang , Min Fang , Lingrui Lin , Fuyan Bian , Zhiwei Chen , Yong Shi , Guoyin Chen , Hui Li

We simulate time-dependent particle acceleration in the blast wave of a young supernova remnant (SNR), using a Monte Carlo approach for the diffusion and acceleration of the particles, coupled to an MHD code. We calculate the distribution…

High Energy Astrophysical Phenomena · Physics 2015-05-18 K. M. Schure , A. Achterberg , R. Keppens , Jacco Vink

Galactic supernova remnants (SNRs) and their environments provide the nearest laboratories to study SN feedback. We performed molecular observations toward SNR W49B, the most luminous Galactic SNR in the X-ray band, aiming to explore signs…

How Supernova Remnant (SNR) shocks impact nearby molecular clouds is still poorly observationally constrained. It is unclear if SNRs can positively or negatively affect clouds star formation potential. We have studied the dense gas…

Experimental spectra and images of the supernova remnant SN1006 have been reported for radio, X-ray and TeV gamma-ray bands. Several comparisons between models and observations have been discussed in the literature, showing that the…

High Energy Astrophysical Phenomena · Physics 2015-05-20 O. Petruk , V. Beshley , F. Bocchino , M. Miceli , S. Orlando

We present near- and mid-infrared observations on the shock-cloud interaction region in the northern part of the supernova remnant HB21, performed with the InfraRed Camera (IRC) aboard AKARI satellite and the Wide InfraRed Camera (WIRC) at…

Astrophysics · Physics 2011-02-11 Jong-Ho Shinn , Bon-Chul Koo , Michael G. Burton , Ho-Gyu Lee , Dae-Sik Moon

Supernova shocks into dense molecular cores in IC 443 (clumps B, C, and G) and 3C 391 were observed using the Stratospheric Observatory for Infrared Astronomy and complemented by archival data from the Herschel Space Observatory. The pure…

Astrophysics of Galaxies · Physics 2024-11-07 William T. Reach , Ngoc Le Tram , Curtis DeWitt , Pierre Lesaffre , Benjamin Godard , Antoine Gusdorf

Measuring shock velocities is crucial for understanding the energy transfer processes at the shock fronts of supernova remnants (SNRs), including acceleration of cosmic rays. Here we present shock velocity measurements on the SNR N132D,…

High Energy Astrophysical Phenomena · Physics 2025-04-07 Yoshizumi Okada , Yuken Ohshiro , Shunsuke Suzuki , Hiromasa Suzuki , Paul P. Plucinsky , Ryo Yamazaki , Hiroya Yamaguchi

We investigate the optical shock emission from the Large Magellanic Cloud supernova remnant 0540-69.3 (SNR 0540) using MUSE integral-field-unit data from the VLT. The observations cover the spectral range 4650-9300 $\r{A}$ and provide a…

High Energy Astrophysical Phenomena · Physics 2025-08-21 L. Tenhu , J. Larsson , P. Lundqvist , I. Saathoff , J. D. Lyman , J. Sollerman

X-ray emitting features originating from the interaction of supernova shock waves with small interstellar gas clouds are revealed in many X-ray observations of evolved supernova remnants (e.g. Cygnus Loop and Vela), but their interpretation…

High Energy Astrophysical Phenomena · Physics 2015-05-18 S. Orlando , F. Bocchino , M. Miceli , X. Zhou , F. Reale , G. Peres

We present two-dimensional MHD simulations of the evolution of a young Type Ia supernova remnant during its interaction with an interstellar cloud of comparable size at impact. We include for the first time in such simulations explicit…

Astrophysics · Physics 2009-10-30 Byung-Il Jun , T. W. Jones

Fine structure of the density distribution in giant molecular clouds (GMC) around W43 (G31+00+90 km/s at $\sim 5.5$ kpc) was analyzed using the FUGIN$^*$ CO-line survey at high-angular ($20''\sim 0.5$ pc) and velocity (1.3 km/s) resolutions…

Astrophysics of Galaxies · Physics 2021-02-02 Yoshiaki Sofue

We report observations with the MIPS instrument aboard the {\it Spitzer Space Telescope} (SST) of four supernova remnants (SNRs) believed to be the result of core-collapse SNe: N132D (0525-69.6), N49B (0525-66.0), N23 (0506-68.0), and…

We study high-energy (HE) neutrino production from interactions between supernova (SN) ejecta and the surrounding circumstellar material (CSM), focusing on regular Type~II and Type~IIn SNe. Using observationally inferred CSM density…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Yi-Long Duan , Tuohuniyazi Tuniyazi , Gang Guo