Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...187..462f&link_type=abstract
Astronomy and Astrophysics, Vol.187, NO. 1+2/NOV, P. 462, 1987
Astronomy and Astrophysics
Astrophysics
1
Scientific paper
A search for continuum emission at 10.7 GHz from Halley's comet has been performed with the Bologna 32 m radio-telescope near the first comet perigee. Owing to the expected low fluxes the beam switching ON-OFF technique was adopted for the observations. Sky background level was determined by subtraction of instrumental and sky temperature long term drifts using a least square fit method. Long time integrations (>3000 s) were obtained for 7 days. The results indicate 2 detections greater than 3σ level with fluxes of ˜ 14 mJy.
Comoretto Gianni
Falchi Ambretta
Gagliardi L.
Palagi F.
Tofani Gianni
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