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Herschel Far-Infrared and Sub-millimeter Photometry for the KINGFISH Sample of Nearby Galaxies
D. A. Dale, G. Aniano, C. W. Engelbracht +39
New far-infrared and sub-millimeter photometry from the Herschel Space Observatory is presented for 61 nearby galaxies from the Key Insights on Nearby Galaxies: A Far-Infrared Surv…
The Circumstellar Environment of R Coronae Borealis: White Dwarf Merger or Final Helium Shell Flash?
Geoffrey C. Clayton, Ben E. K. Sugerman, S. Adam Stanford +21
In 2007, R Coronae Borealis (R CrB) went into an historically deep and long decline. In this state, the dust acts like a natural coronagraph at visible wavelengths, allowing faint…
Optimal Cosmic-Ray Detection for Nondestructive Read Ramps
Rachel E. Anderson, Karl D. Gordon
Cosmic rays are a known problem in astronomy, causing both loss of data and data inaccuracy. The problem becomes even more extreme when considering data from a high-radiation envir…
SAGE-Spectroscopy: The life-cycle of dust and gas in the Large Magellanic Cloud. Data delivery document v3.0
Paul M. Woods, G. C. Sloan, Karl D. Gordon +3
The SAGE-Spectroscopy Spitzer legacy program (SAGE-Spec; PI: F. Kemper, PID: 40159; Kemper et al. 2010) is the IRS spectroscopic follow-up to the successful SAGE-LMC legacy program…
Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low Metallicity Small Magellanic Cloud (SAGE-SMC). I. Overview
Karl D. Gordon, Margaret Meixner, Marilyn Meade +57
The Small Magellanic Cloud (SMC) provides a unique laboratory for the study of the lifecycle of dust given its low metallicity (~1/5 solar) and relative proximity (~60 kpc). This m…
Herschel Detects a Massive Dust Reservoir in Supernova 1987A
M. Matsuura, E. Dwek, M. Meixner +20
We report far-infrared and submillimeter observations of Supernova 1987A, the star that exploded on February 23, 1987 in the Large Magellanic Cloud, a galaxy located 160,000 lighty…
The State of the Gas and the Relation Between Gas and Star Formation at Low Metallicity: the Small Magellanic Cloud
Alberto D. Bolatto, Adam K. Leroy, Katherine Jameson +15
We compare atomic gas, molecular gas, and the recent star formation rate (SFR) inferred from H-alpha in the Small Magellanic Cloud (SMC). By using infrared dust emission and local…
Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low Metallicity Small Magellanic Cloud (SAGE-SMC) II. Cool Evolved Stars
Martha L. Boyer, Sundar Srinivasan, Jacco Th. van Loon +17
We investigate the infrared (IR) properties of cool, evolved stars in the Small Magellanic Cloud (SMC), including the red giant branch (RGB) stars and the dust-producing red superg…
Young, UV-bright Stars Dominate Dust Heating in Star Forming Galaxies
Ka-Hei Law, Karl D. Gordon, K. A. Misselt
In star forming galaxies, dust plays a significant role in shaping the ultraviolet (UV) through infrared (IR) spectrum. Dust attenuates the radiation from stars, and re-radiates th…
The Emission by Dust and Stars of Nearby Galaxies in the Herschel KINGFISH Survey
Ramin A. Skibba, Charles W. Engelbracht, Daniel Dale +29
Using new far-infrared imaging from the Herschel Space Observatory with ancillary data from ultraviolet to submillimeter wavelengths, we estimate the total emission from dust and s…
A Population of Accreted SMC Stars in the LMC
Knut A. G. Olsen, Dennis Zaritsky, Robert D. Blum +2
We present an analysis of the stellar kinematics of the Large Magellanic Cloud based on ~5900 new and existing velocities of massive red supergiants, oxygen-rich and carbon-rich AG…
Dust Emission from Evolved and Unevolved HII Regions in the Large Magellanic Cloud
C. T. Slater, M. S. Oey, A. Li +8
We present a study of the dust properties of 12 classical and superbubble HII regions in the Large Magellanic Cloud. We use infrared photometry from Spitzer (8, 24, 70, and 160 \mu…
The CO-to-H2 Conversion Factor From Infrared Dust Emission Across the Local Group
Adam K. Leroy, Alberto Bolatto, Karl Gordon +8
We estimate the conversion factor relating CO emission to H2 mass, alpha_CO, in five Local Group galaxies that span approximately an order of magnitude in metallicity - M31, M 33,…