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The Distance to IC 10 from Near-Infrared Observations of Cepheids
C. D. Wilson, D. L. Welch, I. N. Reid +2
We have measured the distance to the Local Group dwarf irregular galaxy IC 10 from near-infrared observations of Cepheids. The reddening-corrected distance modulus is $24.57\…
Are Galaxies Optically Thin to Their Own Lyman Continuum Radiation? II. NGC 6822
K. Patel, C. D. Wilson
Halpha and UBV photometry of NGC 6822 are used to study the distribution of OB stars and HII regions in the galaxy and to determine whether individual regions of the galaxy are in…
Are Galaxies Optically Thin to Their Own Lyman Continuum Radiation? I. M33
K. Patel, C. D. Wilson
Halpha and UBV photometry of the inner kpc of M33 are used to study the distribution of OB stars and HII regions in the galaxy and to determine whether individual regions of the ga…
The Metallicity Dependence of the CO-to-H Conversion Factor from Observations of Local Group Galaxies
C. D. Wilson
High-resolution CO maps of 9 molecular clouds in IC 10 are combined with the new measurement of the distance to this nearby metal poor galaxy to measure accurately the CO-to-H2 con…
Molecular Gas in the Inner 3.2 Kiloparsecs of NGC 2403: Star Formation at Subcritical Gas Surface Densities
Michele D. Thornley, Christine D. Wilson
We present a fully sampled map of the inner 3.2 kpc of the nearby spiral galaxy NGC 2403 in the CO J=1-0 line. These data emphasize the relatively small contribution of molecular h…