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The UWISH2 extended H2 source catalogue
D. Froebrich, S. V. Makin, C. J. Davis +9
We present the extended source catalogue for the UKIRT Widefield Infrared Survey for H2 (UWISH2). The survey is unbiased along the inner Galactic Plane from l \approx 357deg to l \…
Near-infrared Extinction due to Cool Supernova Dust in Cassiopeia A
Yong-Hyun Lee, Bon-Chul Koo, Dae-Sik Moon +1
We present the results of extinction measurements toward the main ejecta shell of the Cassiopeia A supernova (SN) remnant using the flux ratios between the two near-infrared (NIR)…
Concurrent Formation of Carbon and Silicate Dust in Nova V1280 Sco
Itsuki Sakon, Shigeyuki Sako, Takashi Onaka +12
We present infrared multi-epoch observations of the dust forming nova V1280 Sco over 2000 days from the outburst. The temporal evolution of the infrared spectral energy distr…
Dust Cooling in Supernova Remnants in the Large Magellanic Cloud
Ji Yeon Seok, Bon-Chul Koo, Hiroyuki Hirashita
The infrared-to-X-ray (IRX) flux ratio traces the relative importance of dust cooling to gas cooling in astrophysical plasma such as supernova remnants (SNRs). We derive IRX ratios…
Dynamical evolution of supernova remnants breaking through molecular clouds
Wankee Cho, Jongsoo Kim, Bon-Chul Koo
We carry out three-dimensional hydrodynamic simulations of the supernova remnants (SNRs) produced inside molecular clouds (MCs) near their surface using the HLL code (Harten et al.…
Optical Spectroscopy of Supernova Remnants in M81 and M82
Myung Gyoon Lee, Jubee Sohn, Jong Hwan Lee +7
We present spectroscopy of 28 SNR candidates as well as one H II region in M81, and two SNR candidates in M82. Twenty six out of the M81 candidates turn out to be genuine SNRs, and…
Star Formation Activity in the Long, Filamentary Infrared Dark Cloud G53.2
Hyun-Jeong Kim, Bon-Chul Koo, Christopher J. Davis
We present star formation activity in the infrared dark cloud (IRDC) G53.2, a remarkable IRDC located at Galactic coordinates based on the c…
Near-Infrared Spectroscopy of Young Galactic Supernova Remnants
Bon-Chul Koo, Yong-Hyun Lee
Young Galactic supernova remnants (SNRs) are where we can observe closely the supernova (SN) ejecta and its interaction with circumstellar/interstellar medium. Therefore, they prov…