2021MNRAS.502...60R

Query : 2021MNRAS.502...60R

2021MNRAS.502...60R - Mon. Not. R. Astron. Soc., 502, 60-79 (2021/March-3)

Evolutionary map of the Universe (EMU): Compact radio sources in the SCORPIO field towards the galactic plane.

RIGGI S., UMANA G., TRIGILIO C., CAVALLARO F., INGALLINERA A., LETO P., BUFANO F., NORRIS R.P., HOPKINS A.M., FILIPOVIC M.D., ANDERNACH H., VAN LOON J.T., MICHALOWSKI M.J., BORDIU C., AN T., BUEMI C., CARRETTI E., COLLIER J.D., JOSEPH T., KORIBALSKI B.S., KOTHES R., LORU S., McCONNELL D., POMMIER M., SCIACCA E., SCHILLIRO F., VITELLO F., WARHURST K. and WHITING M.

Abstract (from CDS):

We present observations of a region of the Galactic plane taken during the Early Science Program of the Australian Square Kilometre Array Pathfinder (ASKAP). In this context, we observed the SCORPIO field at 912 MHz with an uncompleted array consisting of 15 commissioned antennas. The resulting map covers a square region of ∼40 deg2, centred on (l, b) = (343.5°, 0.75°), with a synthesized beam of 24 x 21 arcsec2 and a background rms noise of 150-200 µJy beam–1, increasing to 500-600 µJy beam–1 close to the Galactic plane. A total of 3963 radio sources were detected and characterized in the field using the CAESAR source finder. We obtained differential source counts in agreement with previously published data after correction for source extraction and characterization uncertainties, estimated from simulated data. The ASKAP positional and flux density scale accuracy were also investigated through comparison with previous surveys (MGPS, NVSS) and additional observations of the SCORPIO field, carried out with ATCA at 2.1 GHz and 10 arcsec spatial resolution. These allowed us to obtain a measurement of the spectral index for a subset of the catalogued sources and an estimated fraction of (at least) 8 per cent of resolved sources in the reported catalogue. We cross-matched our catalogued sources with different astronomical data bases to search for possible counterparts, finding ∼150 associations to known Galactic objects. Finally, we explored a multiparametric approach for classifying previously unreported Galactic sources based on their radio-infrared colours.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): techniques: image processing - techniques: interferometric - catalogues - surveys - Galaxy: general - radio continuum: general

VizieR on-line data: <Available at CDS (J/MNRAS/502/60): island.dat compo.dat tablee2.dat tablee3.dat tablee4.dat tablee5.dat>

Simbad objects: 86

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Number of rows : 86
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 CBF LB 2-1 Cl* 01 33 55.0045820304 +30 32 14.436470040 18.871 18.941 18.589 18.442 18.254 ~ 13 0
2 V* CU Vir a2* 14 12 15.8055434051 +02 24 33.945178515 4.46 4.90 5.02 5.10 5.23 ApSi 411 0
3 PN G341.7+02.6 PN 16 42 18.6 -42 14 45           ~ 5 1
4 PN G343.6+03.7 a PN 16 44 20.4 -40 02 13           ~ 7 1
5 PN SuWt 3 PN 16 44 24.126 -40 03 20.60   20       ~ 30 0
6 2MASX J16463421-3903086 G 16 46 34.21873 -39 03 08.6620           ~ 2 0
7 PSR J1646-4308 Psr 16 46 55.3 -43 08 07           ~ 3 0
8 PSR J1649-4349 Psr 16 49 20.42 -43 49 22.2           ~ 26 0
9 ESO 332-2 PN 16 49 32.85 -39 21 09.1           ~ 33 0
10 PSR J1650-4126 Psr 16 50 13.2304192080 -41 26 35.468396340           ~ 9 0
11 PN G344.0+02.5 PN 16 50 20.22 -40 30 03.1           ~ 9 1
12 PN Vd 4 PN 16 50 25.3507823664 -39 08 19.095453096     15.50     ~ 37 0
13 IRAS 16470-4323 AB? 16 50 40.5494673816 -43 28 12.238320900           ~ 4 0
14 IRAS 16472-4401 * 16 50 54.43 -44 07 02.2           ~ 2 0
15 ESO 332-4 PN 16 51 33.575 -40 02 56.01           ~ 28 0
16 PSR B1648-42 Psr 16 51 48.79700 -42 46 09.9700           ~ 72 0
17 HD 151932 WR* 16 52 19.2477039480 -41 51 16.270066224 6.06 6.79 6.51 7.64   WN7h 326 0
18 HD 326392 * 16 52 38.2976215824 -42 49 27.304864680   11.67 11.45     B8 4 0
19 IRAS 16495-4025 Y*? 16 52 59.62992 -40 30 46.1304           ~ 3 0
20 IRAS 16495-4140 MIR 16 53 02.88288 -41 45 07.7436           ~ 3 0
21 PN H 1-3 PN 16 53 31.33 -42 39 22.8     14.00     ~ 46 0
22 PSR J1653-4249 Psr 16 53 40.22 -42 49 03.3           ~ 18 0
23 PN G343.5+01.2 PN 16 53 55.3 -41 44 00           ~ 8 1
24 HD 152270 WR* 16 54 19.6991292072 -41 49 11.531710092 6.26 6.80 6.597 6.72 6.39 WC7+O5-8 315 0
25 PSR J1654-4140 Psr 16 54 23.5 -41 40 24           ~ 10 0
26 PN Vd 6 PN 16 54 27.36 -38 44 10.5     17.70     ~ 30 0
27 PN G345.9+03.0 a PN 16 54 32.6 -38 45 03           ~ 3 1
28 PN G344.4+01.8 PN? 16 54 43.29 -40 41 46.9           ~ 13 1
29 PN G343.6+01.1 PN? 16 54 51.0 -41 43 50           ~ 9 1
30 PN G344.2+01.6 PN 16 55 00.50 -40 55 35.8           ~ 8 0
31 PSR J1655-3844 Psr 16 55 38.66 -38 44 09.0           ~ 7 0
32 MGE G343.6641+00.9584 IR 16 55 46.9 -41 48 42           ~ 4 0
33 PN G345.8+02.7 PN 16 55 52.0032767832 -39 00 21.521254464           ~ 7 1
34 IRAS 16529-4341 PN 16 56 33.97296 -43 46 14.7468           ~ 18 0
35 [MHL2007] G345.0052+01.8209 1 Y*? 16 56 39.80 -40 13 34.0           ~ 3 0
36 PN G345.8+02.4 PN 16 56 40.118 -39 12 36.97           ~ 7 1
37 TYC 7872-1355-1 * 16 56 41.7579954576 -40 15 18.855057384   11.90 11.61     ~ 1 0
38 CD-38 11343 Er* 16 56 48.56771 -39 05 38.1219 13.803 12.806 11.332 10.143 8.773 M3Ve+M4Ve 50 0
39 IRAS 16534-4123 * 16 56 54.68 -41 28 25.2           ~ 2 0
40 PN H 1-5 PN 16 57 23.7543947808 -41 37 58.216237068     15.00     ~ 46 0
41 SPICY 44927 Y*? 16 58 03.09600 -43 26 15.2592           ~ 3 0
42 HD 326586 * 16 58 47.3713737888 -43 47 39.442526556   12.80 12.19     F8 5 0
43 SCORPIO1 468 Y*? 16 59 35.25048 -42 19 30.0216           ~ 4 0
44 MGE G344.1648+00.2733 IR 17 00 20.0 -41 50 43           ~ 3 0
45 PSR J1702-4310 Psr 17 02 26.94 -43 10 41.5           ~ 30 0
46 PSR J1702-4217 Psr 17 02 36.44 -42 17 01.2           ~ 6 0
47 PSR J1702-4128 Psr 17 02 52.52 -41 28 48.2           ~ 72 0
48 PSR J1702-4428 Psr 17 02 52.6 -44 28 03           ~ 8 0
49 TYC 7873-953-1 * 17 03 43.6292986560 -40 03 53.312910768   13.31 12.39     ~ 1 0
50 SPICY 47254 Y*? 17 04 51.19200 -42 25 41.1060           ~ 3 0
51 IC 4637 PN 17 05 10.47 -40 53 07.7     9.20     ~ 139 0
52 PSR J1705-3950 Psr 17 05 29.84 -39 50 59.0           ~ 45 0
53 PSR J1705-4331 Psr 17 05 35.914 -43 31 13.60           ~ 7 0
54 ESO 278-1 PN 17 05 38.3 -43 56 18           ~ 20 0
55 PSR J1706-4310 Psr 17 06 04.51 -43 10 21.0           ~ 3 0
56 NAME Kn 98 PN? 17 06 19.600 -43 15 33.00           ~ 2 0
57 PN Pe 1-8 PN 17 06 22.49 -44 13 09.4     14.00     ~ 39 0
58 2MASS J17062471-4156536 Y*? 17 06 24.716 -41 56 53.63           ~ 3 0
59 PN H 1-6 PN 17 06 59.0827919760 -42 41 08.472952788     15.00     ~ 34 0
60 PSR B1703-40 Psr 17 07 21.78000 -40 53 55.1000           ~ 55 0
61 WRAY 16-251 PN? 17 07 30.6034509216 -44 22 50.343108168     17.50   17.23 ~ 14 0
62 PSR J1707-4341 Psr 17 07 39.9448268472 -43 41 12.753245256           ~ 10 0
63 2MASS J17074166-4031240 * 17 07 41.66328 -40 31 24.0456           ~ 2 0
64 PN G343.9-01.6 PN 17 07 57.1502201496 -43 09 05.791878828           ~ 7 1
65 OH 346.48+00.13 Y*O 17 08 22.711 -40 05 26.08           ~ 28 0
66 IRAS 17056-3916 * 17 09 03.94 -39 19 48.3           ~ 2 0
67 IRAS 17056-3930 * 17 09 09.86976 -39 34 31.6236           ~ 2 0
68 PN G347.0+00.3 PN 17 09 10.8 -39 31 06           ~ 10 1
69 PSR J1709-4401 Psr 17 09 41.39 -44 01 11.2           ~ 9 0
70 PN H 1-7 PN 17 10 27.3823210128 -41 52 49.392533604   15.028 13.421 14.078   ~ 52 0
71 PSR J1711-4322 Psr 17 11 10.56 -43 22 53.1           ~ 18 0
72 IRAS 17088-4227 PN 17 12 22.0468828848 -42 30 41.486666220           ~ 17 0
73 PN G346.8-00.7 PN 17 13 10.841 -40 15 56.21           ~ 9 1
74 NAME Kn 102 PN? 17 14 25.000 -41 44 34.00           ~ 2 0
75 PN G347.2-00.8 PN 17 14 49.1945959824 -40 06 07.367107860           ~ 11 1
76 PN G344.8-02.6 PN 17 15 15.9 -43 03 54           ~ 8 1
77 PN G348.0-00.3 PN 17 15 16.1 -39 03 48           ~ 5 1
78 PSR J1715-4034 Psr 17 15 40.92000 -40 34 18.0000           ~ 22 0
79 PN PM 1-135 PN 17 15 51.60336 -39 33 08.7984           ~ 6 0
80 HIZOA J1716-42 AG? 17 16 24.3683 -42 25 10.071           ~ 4 0
81 Cl* NGC 6318 PCA 7229 * 17 16 32.24 -39 27 17.6     16.295     ~ 2 0
82 AGAL G347.919-00.762 Y*O 17 16 33 -39 27.3           ~ 6 0
83 PSR J1716-4005 Psr 17 16 42.06 -40 05 27.0           ~ 12 0
84 HIZOA J1717-43A Y*? 17 17 27.721 -43 06 57.40           ~ 5 0
85 PN G347.8-01.1 PN 17 17 49.50 -39 45 57.1           ~ 5 1
86 PSR B1713-40 Psr 17 17 52.31000 -41 03 13.0000           ~ 42 0

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