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Structure and Colors of Diffuse Emission in the Spitzer Galactic First Look Survey
James G. Ingalls, M. -A. Miville-Deschênes, William T. Reach +16
We investigate the density structure of the interstellar medium using new high-resolution maps of the 8 micron, 24 micron, and 70 micron surface brightness towards a molecular clou…
Photoelectric Heating and [CII] Cooling of High Galactic Latitude Translucent Clouds
James G. Ingalls, William T. Reach, T. M. Bania
The (2P3/2 -> 2P1/2) transition of singly--ionized carbon, [CII], is the primary coolant of diffuse interstellar gas. We describe observations of [CII] emission towards nine high G…
The Antarctic Submillimeter Telescope and Remote Observatory (AST/RO)
Antony A. Stark, John Bally, Simon P. Balm +24
AST/RO, a 1.7 m diameter telescope for astronomy and aeronomy studies at wavelengths between 200 and 2000 microns, was installed at the South Pole during the 1994-1995 Austral summ…
Physical State of Molecular Gas in High Galactic Latitude Translucent Clouds
James G. Ingalls, T. M. Bania, Adair P. Lane +2
The rotational transitions of carbon monoxide (CO) are the primary means of investigating the density and velocity structure of the molecular interstellar medium. Here we study the…
A semianalytical model for the observational properties of the dominant carbon species at different metallicities
Alberto D. Bolatto, James M. Jackson, James G. Ingalls
We present a simple, semianalytical approach to compute the line emission of C+, C and CO in Photodissociation Regions of varying metallicity that depends on very few parameters an…