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[CII] 158m emission from Orion A. II. Photodissociation region physics
C. H. M. Pabst, J. R. Goicoechea, A. Hacar +10
The [CII] 158m fine-structure line is the dominant cooling line of moderate-density photodissociation regions (PDRs) illuminated by moderately bright far-ultraviolet (FUV) radia…
SOFIA-upGREAT imaging spectroscopy of the [C II] 158um fine structure line of the Sgr B region in the Galactic center
A. I. Harris, R. Güsten, M. A. Requena-Torres +8
We report SOFIA-upGREAT spectroscopic imaging of the [C II] 158um spectral line, as well as a number of [O I] 63um spectra, across a 67x45 pc field toward the Sgr B region in our G…
Observations and analysis of CH vibrational emissions from the young, carbon-rich planetary nebula NGC 7027: a textbook example of chemical pumping
David A. Neufeld, Benjamin Godard, P. Bryan Changala +5
We discuss the detection of 14 rovibrational lines of CH, obtained with the iSHELL spectrograph on NASA's Infrared Telescope Facility (IRTF) on Maunakea. Our observations in th…
Stellar feedback and triggered star formation in the prototypical bubble RCW 120
Matteo Luisi, Loren D. Anderson, Nicola Schneider +17
Radiative and mechanical feedback of massive stars regulates star formation and galaxy evolution. Positive feedback triggers the creation of new stars by collecting dense shells of…
SOFIA FEEDBACK survey: exploring the dynamics of the stellar wind driven shell of RCW 49
M. Tiwari, R. Karim, M. W. Pound +13
We unveil the stellar wind driven shell of the luminous massive star-forming region of RCW 49 using SOFIA FEEDBACK observations of the [CII] 158 m line. The complementary datase…