Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Welch WM"'
Autor:
Welch, Wm. J., Fleming, Matthew, Munson, Chris, Tarter, Jill, Harp, G. R., Spencer, Robert, Wadefalk, Niklas
Publikováno v:
Publications of the Astronomical Society of the Pacific 129.974 (2017): 045002
We have developed a new generation of low noise, broadband feeds for the Allen Telescope Array at the Hat Creek Observatory in Northern California. The new feeds operate over the frequency range 0.9 to 14 GHz. The noise temperatures of the feeds have
Externí odkaz:
http://arxiv.org/abs/1702.02252
Autor:
Swift, J., Welch, Wm. J.
This article synthesizes observational data from an extensive program aimed toward a comprehensive understanding of star formation in a low-mass star-forming molecular cloud. New observations and published data spanning from the centimeter wave band
Externí odkaz:
http://arxiv.org/abs/0706.2206
Publikováno v:
Astrophys.J.637:392-399,2006
Both analytic and numerical radiative transfer models applied to high spectral resolution CS and N2H+ data give insight into the evolutionary state of L1551 MC. This recently discovered pre-protostellar core in L1551 appears to be in the early stages
Externí odkaz:
http://arxiv.org/abs/astro-ph/0509817
Publikováno v:
Astrophys.J. 620 (2005) 823-834
Large field surveys of NH3, C2S, 13CO and C18O in the L1551 dark cloud have revealed a prolate, pre-protostellar molecular core (L1551-MC) in a relatively quiescent region to the northwest of the well-known IRS 5 source. The kinetic temperature is me
Externí odkaz:
http://arxiv.org/abs/astro-ph/0411157
Akademický článek
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