2016MNRAS.462.2904A


Query : 2016MNRAS.462.2904A

2016MNRAS.462.2904A - Mon. Not. R. Astron. Soc., 462, 2904-2917 (2016/November-1)

A GMRT survey of regions towards the Taurus molecular cloud at 323 and 608 MHz.

AINSWORTH R.E., COUGHLAN C.P., GREEN D.A., SCAIFE A.M.M. and RAY T.P.

Abstract (from CDS):

We present observations of three active sites of star formation in the Taurus molecular cloud complex taken at 323 and 608 MHz (90 and 50 cm, respectively) with the Giant Metrewave Radio Telescope (GMRT). Three pointings were observed as part of a pathfinder project, targeted at the young stellar objects (YSOs) L1551 IRS 5, T Tau and DG Tau (the results for these target sources were presented in a previous paper). In this paper, we search for other YSOs and present a survey comprising of all three fields; a by-product of the large instantaneous field of view of the GMRT. The resolution of the survey is of order 10 arcsec and the best rms noise at the centre of each pointing is of order 100 µJy beam–1 at 323 MHz and 50 µJy beam–1 at 608 MHz. We present a catalogue of 1815 and 687 field sources detected above 5σrms at 323 and 608 MHz, respectively. A total of 440 sources were detected at both frequencies, corresponding to a total unique source count of 2062 sources. We compare the results with previous surveys and showcase a sample of extended extragalactic objects. Although no further YSOs were detected in addition to the target YSOs based on our source-finding criteria, these data can be useful for targeted manual searches, studies of radio galaxies or to assist in the calibration of future observations with the Low-Frequency Array towards these regions.

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

Journal keyword(s): catalogues - surveys - radio continuum: galaxies - radio continuum: galaxies

VizieR on-line data: <Available at CDS (J/MNRAS/462/2904): table3.dat>

Nomenclature: Table 3: [ACG2016] JHHMMSS.ss+DDMMSS.s N=2062.

Simbad objects: 24

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Number of rows : 24
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 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
2 NGC 1333 OpC 03 29 09.2 +31 20 59           ~ 1575 1
3 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1553 0
4 V* T Tau TT* 04 21 59.4319873992 +19 32 06.432393336   11.22 10.12 9.80   K0IV/Ve 1456 1
5 GBS-VLA J042452.48+264204.5 Rad 04 24 52.48 +26 42 04.5           ~ 3 0
6 HH 159 HH 04 27 02.049 +26 05 41.58           ~ 13 0
7 [EM98] DG Tau B cRN Y*O 04 27 02.66088 +26 05 30.4548           ~ 208 0
8 V* DG Tau TT* 04 27 04.6921275888 +26 06 16.060169268 13.57 13.97 10.50 12.28   K6Ve 1092 1
9 MCG+04-11-003 AG? 04 29 29.4757461360 +26 31 52.713509124 19.30 17       ~ 13 1
10 PKS 0428+205 rG 04 31 03.76141386 +20 37 34.2648470   22.174   19.085   ~ 198 1
11 LDN 1551 DNe 04 31 30.0 +18 12 30           ~ 823 1
12 RAFGL 5123 Y*O 04 31 34.07736 +18 08 04.9020           K3V/M3III 900 0
13 EM* LkHA 358 TT* 04 31 36.1433863008 +18 13 43.204853460     19.0     M0.9 97 0
14 V* V1213 Tau Or* 04 31 37.5055489536 +18 12 24.383952396           K7 605 0
15 V* HL Tau Or* 04 31 38.5107609312 +18 13 57.859747968   15.89 14.49 14.39   K5 1546 0
16 V* XZ Tau Or* 04 31 40.0868968022 +18 13 56.642439056     10.40 13.12   M2e+M2e 466 2
17 2MASS J04314444+1808315 Y*O 04 31 44.44680 +18 08 31.5384           ~ 173 0
18 GBS-VLA J043150.44+182052.7 Rad 04 31 50.44 +18 20 52.7           ~ 2 0
19 2MASS J04322946+1814002 Y*O 04 32 29.4618626186 +18 14 00.196505050           ~ 15 1
20 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
21 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
22 ICRF J054236.1+495107 Sy1 05 42 36.13789710 +49 51 07.2337139   18.45 17.80 17.210   ~ 1573 1
23 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
24 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1

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