Home Radio • Download Cold Gas at High Redshift: Proceedings of a Workshop by Colin A. Norman, Robert Braun (auth.), M. N. Bremer, P. P. PDF

Download Cold Gas at High Redshift: Proceedings of a Workshop by Colin A. Norman, Robert Braun (auth.), M. N. Bremer, P. P. PDF

By Colin A. Norman, Robert Braun (auth.), M. N. Bremer, P. P. van der Werf, H. J. A. Röttgering, C. L. Carilli (eds.)

Recent years have obvious expanding proof that the most epoch of galaxy formation within the universe should be at once available to statement. An­ gular fluctuations within the historical past relict radiation were detected by means of a number of ground-based tools in addition to via the COBE satellite tv for pc, and recommend that the epoch of galaxy formation used to be now not so very early. mixed optical and radio reviews have came upon galaxies at redshifts above 2. zero, structures that at the very least superficially express the features anticipated of enormous galaxies visible basically almost immediately after their formation. And absorption strains within the spectra of quasars appear to be telling us that the majority chilly gasoline at early to intermediate cosmological epochs used to be in clouds having approximately galaxy sized lots. What forms of new observations will top support us learn this excessive redshift universe in destiny? What new tools might be wanted? those are questions that loom huge within the minds of the Dutch astronom­ ical neighborhood as we have fun 25 years of operation of the Westerbork Synthesis Radio Telescope. social gathering of this Silver Jubilee has incorporated a party (on 23 June, 1995), a commemorative quantity either the heritage and the way forward for the ability ("The Westerbork Observa­ tory, carrying on with event in Radio Astronomy," Kluwer 1996), and a world workshop, held within the village of Hoogeveen on 28-30 August, 1995.

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Extra info for Cold Gas at High Redshift: Proceedings of a Workshop Celebrating the 25th Anniversary of the Westerbork Synthesis Radio Telescope, held in Hoogeveen, The Netherlands, August 28–30, 1995

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37 L 8 sec. Combining this constraint with the dynamical mass limit derived from the CO kinematics, Scoville, Yun & Bryant (1995) find that ml = 5 M 8 , mu = 23 M 8 , and M = 90M8 yr- 1 (with a burst timescale of 5 X 10 7 yr). The narrow range of permissable stellar masses suggests that a starburst origin for a major fraction of the luminosity in Arp 220 is unlikely, although not ruled out. lM8 ) are categorically ruled out since they violate the L / M* constraint by more than an order of magnitude; similarly starbursts with only high mass OB stars are easily ruled out since they violate the L/Q constraint.

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And Withington, S. 1994, MNRAS 269, L28. Katz, N. et al. 1995 ApJ, in press. , Padmanabhan, T. and Subramanian, K. 1995, MNRAS 272, 54. J. and Guilloteau, S. 1993, A&A 280, L3. Lilly, S. et al. 1995, ApJ, in press. COLD GAS AT HIGH REDSHIFT 21 McCarthy, P. 1989 PhD Thesis, UC Berkeley. , Kreysa, E. T. 1994, MNRAS 267, L9. Meylan, G. 1995, QSO Absorption Lines (Springer). Illler, P. et al. 1995, ApJ, in preparation. , Katz, N. and Lake, G. 1995, ApJ, in press. S. M. 1995, MNRAS 275, 56. J. C. 1995, MNRAS, in press.

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