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Accession Number:
AD0711300
Title:
GALACTIC HYDROGEN ABSORPTION AT 21 CM WAVELENGTH IN THE DIRECTION OF VIRGO A,
Descriptive Note:
Corporate Author:
CALIFORNIA INST OF TECH PASADENA OWENS VALLEY RADIO OBSERVATORY
Report Date:
1970-01-01
Pagination or Media Count:
18.0
Abstract:
The 21 cm optical depth in the direction of Virgo A is 0.017 plus or minus 0.003 near the velocity of the peak of the galactic background emission, and the corresponding gas temperature lies within the range 180 - 460 degrees Kelvin. In the negative-velocity wing of the emission profile the optical depth is less than 0.002 which indicates a minimum gas temperature of 600K.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE