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Extinction law in ultraluminous infrared galaxies at z ~ 1
T. Shimizu, K. Kawara, H. Sameshima +3
We analyze the multi-wavelength photometric and spectroscopic data of 12 ultraluminous infrared galaxies (ULIRGs) at z ~ 1 and compare them with models of stars and dust in order t…
Supernova dust for the extinction law in a young infrared galaxy at z = 1
K. Kawara, H. Hirashita, T. Nozawa +6
We apply the supernova(SN) extinction curves to reproduce the observed properties of SST J1604+4304 which is a young infrared (IR) galaxy at z = 1. The SN extinction curves used in…
Effects of grain shattering by turbulence on extinction curves in starburst galaxies
Hiroyuki Hirashita, Takaya Nozawa, Huirong Yan +1
Dust grains can be efficiently accelerated and shattered in warm ionized medium (WIM) because of the turbulent motion. This effect is enhanced in starburst galaxies, where gas is i…
Stellar population and dust extinction in an ultraluminous infrared galaxy at z=1.135
K. Kawara, S. Oyabu, Y. Matsuoka +6
We present the detailed optical to far-infrared observations of SST J1604+4304, an ULIRG at z = 1.135. Analyzing the stellar absorption lines, namely, the CaII H & K and Balmer H l…