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CO Detections of Edge-on Low Surface Brightness Galaxies
2001
Astrophysical Journal
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We have obtained deep CO(1-0) observations of 8 nearby, edge-on, low surface brightness (LSB) spiral galaxies using the NRAO 12-m telescope. We report detections of 3 of our targets at >4 sigma level as well as one marginal ( 3 sigma) detection. These are among the first direct detections of molecular gas in late-type, LSB spirals. Using a Galactic CO-to-H2 conversion factor, we derive MH2 1.4-3.5 x 10^7Msun and MH2/MHI 0.010-0.055 for the detected sources, with 3-sigma upper limits of
doi:10.1086/319175
fatcat:kxognmxbdzgm3dkqggfzrxx6vy