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A&A Supplement Ser., Vol. 124, September 1997, 469-474

Received November 25; accepted December 4, 1996

SEST observations of southern flat-spectrum radio sources

A.J. Beasleytex2html_wrap962, J.E. Conwaytex2html_wrap964, R.S. Boothtex2html_wrap964, L.-Å. Nymantex2html_wrap968, - M. Holdawaytex2html_wrap970

Send offprint request: A.J. Beasley

tex2html_wrap972  National Radio Astronomy Observatory, P.O. Box 0, Socorro NM 87801, U.S.A.gif
tex2html_wrap974  Onsala Space Observatory, S-439 92 Onsala, Sweden
tex2html_wrap976  Swedish-ESO Submillimetre Telescope, European Southern Observatory, Casilla 16001, Santiago 19, Chile
tex2html_wrap978  National Radio Astronomy Observatory, 949 North Cherry Ave., Campus Building 65, Tucson AZ 85721, U.S.A.


We present the results of a 2 & 3mm Swedish-ESO Submillimetre Telescope continuum survey of bright southern flat-spectrum radio sources. Our sample consists of all sources in the PKSCAT90 catalog south of declination tex2html_wrap_inline942 with accurate positions (<2tex2html_wrap980), and predicted 3mm flux (based on published low-frequency spectral indices) greater than 300mJy (47 sources). In addition, 32 bright radio sources from the USNO Radio-Optical Reference Frame catalog have been observed. Our overall detection rate for the combined sample is 66% above typical tex2html_wrap_inline948 limits of tex2html_wrap_inline950. This survey has identified many new sources suitable for use as phase and pointing calibrators for southern millimeter interferometers. A number of individual sources are discussed.

keywords: galaxies: active -- BL Lacertae objects: general -- quasars: general -- radio continuum: general; galaxies

Copyright by the European Southern Observatory (ESO)