NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-23 T10:18:37 PDT
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For refcode 1997A&A...324..899T:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1997A&A...324..899T CO J=2->1 observations of the nearby galaxies Dwingeloo 1 and Dwingeloo 2. Tilanus R.P.J., Burton W.B. Received 2 December 1996/Accepted 24 February 1997 Abstract. We present an exploratory survey of the central regions of the nearby spiral galaxies Dwingeloo 1 and Dwingeloo 2 made in the CO J=2->1 line at 230GHz using the James Clerk Maxwell Telescope. In Dwingeloo 1, which is probably the nearest grand-design barred spiral, the CO emission was sampled along a cross with its major axis aligned with the bar. The CO emission is an order of magnitude weaker (peak T_mb_=~70mK) than in its neighbours IC 342 and Maffei 2 and appears to be confined to the nucleus, bar, and spiral arms. In Dwingeloo 2, a small system quite likely to be a companion of Dw1, a 3-sigma upper limit of 40mK for the CO J=2->1 emission from the nucleus was obtained. Key words: galaxies: individual: Dw1 - galaxies: individual: Dw2 - radio lines: galaxies
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