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New Ultraviolet Extinction Curves for Interstellar Dust in M31
Geoffrey C. Clayton, Karl D. Gordon, Luciana C. Bianchi +4
New low-resolution UV spectra of a sample of reddened OB stars in M31 were obtained with HST/STIS to study the wavelength dependence of interstellar extinction and the nature of th…
The Relationship Between Molecular Gas, HI, and Star Formation in the Low-Mass, Low-Metallicity Magellanic Clouds
Katherine E. Jameson, Alberto D. Bolatto, Adam K. Leroy +14
The Magellanic Clouds provide the only laboratory to study the effect of metallicity and galaxy mass on molecular gas and star formation at high (~20 pc) resolution. We use the dus…
The Panchromatic Hubble Andromeda Treasury VIII: A Wide-Area, High-Resolution Map of Dust Extinction in M31
Julianne J. Dalcanton, Morgan Fouesneau, David W. Hogg +15
We map the distribution of dust in M31 at 25pc resolution, using stellar photometry from the Panchromatic Hubble Andromeda Treasury. We develop a new mapping technique that models…
Mid-infrared spectroscopy of the Andromeda galaxy
D. Hemachandra, P. Barmby, E. Peeters +6
We present Spitzer/Infrared Spectrograph (IRS) 5-21 micron spectroscopic maps towards 12 regions in the Andromeda galaxy (M31). These regions include the nucleus, bulge, an active…
Star-formation rates from young-star counts and the structure of the ISM across the NGC346/N66 complex in the SMC
S. Hony, D. A. Gouliermis, F. Galliano +21
The rate at which interstellar gas is converted into stars, and its dependence on environment, is one of the pillars on which our understanding of the visible Universe is build. We…