2016MNRAS.460.1664F

Query : 2016MNRAS.460.1664F

2016MNRAS.460.1664F - Mon. Not. R. Astron. Soc., 460, 1664-1679 (2016/August-1)

Engineering and science highlights of the KAT-7 radio telescope.

FOLEY A.R., ALBERTS T., ARMSTRONG R.P., BARTA A., BAUERMEISTER E.F., BESTER H., BLOSE S., BOOTH R.S., BOTHA D.H., BUCHNER S.J., CARIGNAN C., CHEETHAM T., CLOETE K., COREEJES G., CRIDA R.C., CROSS S.D., CURTOLO F., DIKGALE A., DE VILLIERS M.S., DU TOIT L.J., ESTERHUYSE S.W.P., FANAROFF B., FENDER R.P., FIJALKOWSKI M., FOURIE D., FRANK B., GEORGE D., GIBBS P., GOEDHART S., GROBBELAAR J., GUMEDE S.C., HERSELMAN P., HESS K.M., HOEK N., HORRELL J., JONAS J.L., JORDAAN J.D.B., JULIE R., KAPP F., KOTZE P., KUSEL T., LANGMAN A., LEHMENSIEK R., LIEBENBERG D., LIEBENBERG I.J.V., LOOTS A., LORD R.T., LUCERO D.M., LUDICK J., MACFARLANE P., MADLAVANA M., MAGNUS L., MAGOZORE C., MALAN J.A., MANLEY J.R., MARAIS L., MARAIS N., MARAIS S.J., MAREE M., MARTENS A., MOKONE O., MOSS V., MTHEMBU S., NEW W., NICHOLSON G.D., VAN NIEKERK P.C., OOZEER N., PASSMOOR S.S., PEENS-HOUGH A., PINSKA A.B., PROZESKY P., RAJAN S., RATCLIFFE S., RENIL R., RICHTER L.L., ROSEKRANS D., RUST A., SCHRODER A.C., SCHWARDT L.C., SERANYANE S., SERYLAK M., SHEPHERD D.S., SIEBRITS R., SOFEYA L., SPANN R., SPRINGBOK R., SWART P.S., THONDIKULAM V.L., THERON I.P., TIPLADY A., TORUVANDA O., TSHONGWENI S., VAN DEN HEEVER L., VAN DER MERWE C., VAN ROOYEN R., WAKHABA S., WALKER A.L., WELZ M., WILLIAMS L., WOLLEBEN M., WOUDT P.A., YOUNG N.J. and ZWART J.T.L.

Abstract (from CDS):

The construction of the seven-dish Karoo Array Telescope (KAT-7) array in the Karoo region of the Northern Cape in South Africa was intended primarily as an engineering prototype for technologies and techniques applicable to the MeerKAT telescope. This paper looks at the main engineering and scientific highlights from this effort, and discusses their applicability to both MeerKAT and other next-generation radio telescopes. In particular, we found that the composite dish surface works well, but it becomes complicated to fabricate for a dish lacking circular symmetry; the Stirling cycle cryogenic system with ion pump to achieve vacuum works but demands much higher maintenance than an equivalent Gifford-McMahon cycle system; the ROACH (Reconfigurable Open Architecture Computing Hardware)-based correlator with SPEAD (Streaming Protocol for Exchanging Astronomical Data) protocol data transfer works very well and KATCP (Karoo Array Telescope Control Protocol) control protocol has proven very flexible and convenient. KAT-7 has also been used for scientific observations where it has a niche in mapping low surface-brightness continuum sources, some extended H ihaloes and OH masers in star-forming regions. It can also be used to monitor continuum source variability, observe pulsars, and make Very Long Baseline Interferometry observations.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): instrumentation: interferometers - radio continuum: general - radio lines: general - radio lines: general

Simbad objects: 37

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Number of rows : 37
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 509 0
2 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 906 0
3 ICRF J052109.8+163822 Sy1 05 21 09.88596258 +16 38 22.0515459   19.37 18.84 18.480   ~ 851 1
4 M 1 SNR 05 34 30.9 +22 00 53           ~ 6193 1
5 NAME Ori A MoC 05 38 -07.1           ~ 3012 0
6 PSR B0736-40 Psr 07 38 32.2620 -40 42 39.420           ~ 196 0
7 PSR B0823+26 Psr 08 26 51.5068 +26 37 21.297           ~ 513 1
8 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2316 1
9 ICRF J094336.9-081930 LIN 09 43 36.94453828 -08 19 30.8202783   19.401   18.100   ~ 121 2
10 PSR B0950+08 Psr 09 53 09.2970 +07 55 36.400           ~ 755 2
11 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 769 2
12 ESO 499-37 AG? 10 03 41.840 -27 01 40.12   13.32   12.81 13.3 ~ 63 1
13 ESO 499-38 AG? 10 03 50.15 -26 36 45.9   15.68       ~ 14 0
14 NAME Antlia Dwarf Galaxy G 10 04 03.9 -27 20 01 16.73 15.69 15.17 15.00   ~ 212 1
15 ACO S 636 ClG 10 29 41.0957 -35 19 32.908           ~ 225 0
16 NGC 3268 EmG 10 30 00.6490581240 -35 19 31.519591284   12.57 11.77 10.68   ~ 154 0
17 NGC 3281 Sy2 10 31 52.086 -34 51 13.40   12.62 14.02 11.17   ~ 364 0
18 NGC 4055 rG 12 04 01.4688806232 +20 13 56.324233308   14.4       ~ 115 1
19 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 5802 1
20 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7197 3
21 PSR B1322-66 Psr 13 26 02.7300 -67 00 49.200           ~ 43 0
22 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4341 2
23 QSO B1424-41 QSO 14 27 56.29756617 -42 06 19.4376238   18.48 17.7 16.30   ~ 496 1
24 PKS 1425-421 Rad 14 28 45.8 -42 21 57           ~ 1 0
25 QSO J1512-0906 Bla 15 12 50.53293048 -09 05 59.8297908   16.74 16.54     ~ 1316 1
26 V* BR Cir HXB 15 20 40.8532547060 -57 10 00.206639033   21.4 21.4     ~ 781 1
27 PSR B1556-44 Psr 15 59 41.5290 -44 38 45.740           ~ 129 0
28 Caswell OH 330.89-00.36 Mas 16 10 19.2 -52 05 27           ~ 3 0
29 IRAS 16071-5142 HII 16 11 00 -51 50.3           ~ 28 0
30 PMN J1615-6039 rG 16 14 50.7 -60 38 11           ~ 16 1
31 ESO 137-6 GiG 16 15 03.864 -60 54 26.14   13.08 12.83 11.33   ~ 107 0
32 PSR B1641-45 Psr 16 44 49.28482 -45 59 09.6360     12.60     ~ 198 0
33 NAME Hercules A rG 16 51 07.9886687784 +04 59 35.547131472     18.25     ~ 465 1
34 SWIFT J174510.8-262411 LXB 17 45 10.849 -26 24 12.60           ~ 73 0
35 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1226 1
36 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 627 1
37 PKS 2323-40 Rad 23 26 34.10 -40 27 17.6     19.5     ~ 34 1

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