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27 April 2024 |
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Compact Structure in FIRST Survey Sources | | R.W. Porcas
; W. Alef
; T. Ghosh
; C. J. Salter
; S.T. Garrington
; | | Date: |
29 Dec 2004 | | Subject: | astro-ph | | Affiliation: | Max-Planck-Institut fur Radioastronomie, Germany, Arecibo Observatory, USA, Jodrell Bank Observatory, UK | | Abstract: | We present preliminary results from a statistical survey of compact structure in faint radio sources. Around 1000 sources from the VLA FIRST survey (flux densities larger than 1 mJy at 1.4 GHz) have been observed with the single-baseline interferometer Effelsberg-Arecibo. We observed each source, selected from a narrow strip of sky at declination 28 deg, for just one minute. The baseline sensitivity at 1.4 GHz, using 512 Mb/s recording, is such that any FIRST source, selected at random, would be detected if most of its flux density is in compact structure. We discuss the detection-rate statistics from one epoch of these observations. | | Source: | arXiv, astro-ph/0412651 | | Services: | Forum | Review | PDF | Favorites | |
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