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Infrared Studies of Molecular Shocks in the Supernova Remnant HB21: I. Thermal Admixture of Shocked H_2 Gas in the North
Jong-Ho Shinn, Bon-Chul Koo, Michael G. Burton +2
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) ab…
Supernova Remnants in the AKARI IRC Survey of the Large Magellanic Cloud
Ji Yeon Seok, Bon-Chul Koo, Takashi Onaka +9
We present the near- to mid-infared study of supernova remnants (SNRs) using the AKARI IRC Survey of the Large Magellanic Cloud (LMC). The LMC survey observed about a 10 square deg…
Near-Infrared [Fe II] and H2 Line Observations of the Supernova Remnant 3C 396: Probing the Pre-supernova Circumstellar Materials
Ho-Gyu Lee, Dae-Sik Moon, Bon-Chul Koo +2
We present the results of near-infrared [Fe II] and H2 line imaging and spectroscopic observations of the supernova remnant 3C 396 using the Palomar 5 m Hale telescope. We detect l…
Dark Bursts in the Swift Era: The Palomar 60 inch-Swift Early Optical Afterglow Catalog
S. B. Cenko, J. Kelemen, F. A. Harrison +8
We present multi-color optical observations of long-duration gamma-ray bursts (GRBs) made over a three year period with the robotic Palomar 60 inch telescope (P60). Our sample cons…
Massive-Star Forming Infrared Loop around the Crab-like Supernova Remnant G54.1+0.3: Post Main-Sequence Triggered Star Formation?
Bon-Chul Koo, Christopher F. McKee, Jae-Joon Lee +6
We report the discovery of a star-forming loop around the young, Crab-like supernova remnant (SNR) G54.1+0.3 using the AKARI infrared satellite. The loop consists of at least eleve…