Abstract
The fields chosen for the first observations of the cosmic microwave background with the Very Small Array have been surveyed with the Ryle Telescope at 15 GHz. We have covered three regions around RA 00h 20 m Dec. +30°, RA 09h 40m Dec. +32° and RA 15h 40m Dec. +43° (J2000.0), an area of 520 deg2. There are 465 sources above the current completeness limit of ≈25 mJy, although a total of ≈760 sources have been detected, some as faint as 10 mJy. This paper describes our techniques for observation and data analysis; it also includes source counts and some discussion of spectra and variability. Preliminary source lists are presented.
Original language | English |
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Pages (from-to) | 915-925 |
Number of pages | 10 |
Journal | Monthly Notices of the Royal Astronomical Society |
Volume | 342 |
Issue number | 3 |
DOIs | |
Publication status | Published - 1 Jul 2003 |
Keywords
- Cosmic microwave background
- Radio continuum: general
- Stars: individual: II Peg
- Surveys