With the sliding door over its 17-ton infrared telescope wide open, NASA's Stratospheric Observatory for Infrared Astronomy – or SOFIA – soars over California's snow-covered Southern Sierras on a test flight.
Flight series to come.
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For information on how to participate in the Tele-Talks, please check the SOFIA Tele-Talk page.
The two-component OD absorption spectrum from GREAT superposed on a three-color image of W49A; SOFIA-FORCAST 20 μm (blue), SOFIA-FORCAST 37 μm (green), and Herschel-PACS 70 μm (red). Stars are from Spitzer-IRAC 3.6 μm (white). The plus sign marks the position of the spectrum.
The line-to-continuum ratio for the OD 2Π3/2 ground-state (J = 5/2-3/2) towards the quiescent source G23.21-0.3.
By Timea Csengeri and Joan Schmelz
Paper: SOFIA/GREAT observations of OD and OH rotational lines towards high-mass star forming regions
Csengeri, T., et al., 2022/02, A&A, 658A, A193.
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We present results of a wide-field (approximately 60 x 90 pc) ALMA mosaic of CO(2-1) and 13CO(2-1) emission from the molecular cloud associated with the 30 Doradus star-forming region. Three main emission complexes, including two forming a bowtie-shaped structure extending northeast and southwest from the central R136 cluster, are resolved into complex filamentary networks.