2022A&A...658A.146V

Query : 2022A&A...658A.146V

2022A&A...658A.146V - Astronomy and Astrophysics, volume 658A146-146 (2022/2-1)

Apertif: Phased array feeds for the Westerbork Synthesis Radio Telescope. System overview and performance characteristics.

VAN CAPPELLEN W.A., OOSTERLOO T.A., VERHEIJEN M.A.W., ADAMS E.A.K., ADEBAHR B., BRAUN R., HESS K.M., HOLTIES H., VAN DER HULST J.M., HUT B., KOOISTRA E., VAN LEEUWEN J., LOOSE G.M., MORGANTI R., MOSS V.A., ORRU E., RUITER M., SCHOENMAKERS A.P., VERMAAS N.J., WIJNHOLDS S.J., VAN AMESFOORT A.S., ARTS M.J., ATTEMA J.J., BAKKER L., BASSA C.G., BAST J.E., BENTHEM P., BEUKEMA R., BLAAUW R., DE BLOK W.J.G., BOUWHUIS M., VAN DEN BRINK R.H., CONNOR L., COOLEN A.H.W.M., DAMSTRA S., VAN DIEPEN G.N.J., DE GOEI R., DENES H., DROST M., EBBENDORF N., FRANK B.S., GARDENIER D.W., GERBERS M., GRANGE Y.G., GRIT T., GUNST A.W., GUPTA N., IVASHINA M.V., JOZSA G.I.G., JANSSEN G.H., KOSTER A., KRUITHOF G.H., KUINDERSMA S.J., KUTKIN A., LUCERO D.M., MAAN Y., MACCAGNI F.M., VAN DER MAREL J., MIKA A., MORAWIETZ J., MULDER H., MULDER E., NORDEN M.J., OFFRINGA A.R., OOSTRUM L.C., OVEREEM R.E., PARAGI Z., PEPPING H.J., PETROFF E., PISANO D.J., POLATIDIS A.G., PRASAD P., DE REIJER J.P.R., ROMEIN J.W., SCHAAP J., SCHOONDERBEEK G.W., SCHULZ R., VAN DER SCHUUR D., SCLOCCO A., SLUMAN J.J., SMITS R., STAPPERS B.W., STRAAL S.M., STUURWOLD K.J.C., VERSTAPPEN J., VOHL D., WIERENGA K.J., WOESTENBURG E.E.M., ZANTING A.W. and ZIEMKE J.

Abstract (from CDS):

We describe the APERture Tile In Focus (Apertif) system, a phased array feed (PAF) upgrade of the Westerbork Synthesis Radio Telescope that transforms this telescope into a high-sensitivity, wide-field-of-view L-band imaging and transient survey instrument. Using novel PAF technology, up to 40 partially overlapping beams are formed on the sky simultaneously, significantly increasing the survey speed of the telescope. With this upgraded instrument, an imaging survey covering an area of 2300 deg2 is being performed that will deliver both continuum and spectral line datasets, of which the first data have been publicly released. In addition, a time domain transient and pulsar survey covering 15 000 deg2 is in progress. An overview of the Apertif science drivers, hardware, and software of the upgraded telescope is presented, along with its key performance characteristics.

Abstract Copyright: © ESO 2022

Journal keyword(s): telescopes - instrumentation: interferometers - surveys

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Leo T G 09 34 53.4 +17 03 05     15.1     ~ 434 0
2 NAME Leo P BiC 10 21 45.123 +18 05 16.89           ~ 268 0
3 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 910 0
4 MCG+07-41-003 Bla 19 59 28.35656837 +40 44 02.0972325   16.22 15.10     ~ 2537 2
5 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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