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Emission from Dust in Galaxies: Metallicity Dependence
H. Hirashita, A. K. Inoue, H. Kamaya +1
Infrared (IR) dust emission from galaxies is frequently used as an indicator of star formation rate (SFR). However, the effect of the dust-to-gas ratio (i.e., amount of the dust) o…
Structural Model of Molecular Cloud Complexes: Mass, Size, and External Pressure
A. K. Inoue, H. Kamaya
We investigate the structure of the molecular cloud complexes (MCCs) as a group of several giant molecular clouds (GMCs) in the Galaxy. Then, we find that the mass-size relation wh…
Star Formation Efficiency in the Central 1 kpc Region of Early-Type Spiral Galaxies
Akio K. Inoue, Hiroyuki Hirashita, Hideyuki Kamaya
It has been reported recently that there are some early-type spiral (Sa--Sab) galaxies having evident star-forming regions which concentrate in their own central 1-kpc. In such cen…
Conversion Law of Infrared Luminosity to Star Formation Rate for Galaxies
A. K. Inoue, H. Hirashita, H. Kamaya
We construct a new algorithm for estimating the star formation rate (SFR) of galaxies from their infrared (IR) luminosity by developing the theory of the IR emission from a dusty H…