2024ApJS..273...30B

Query : 2024ApJS..273...30B

2024ApJS..273...30B - Astrophys. J., Suppl. Ser., 273, 30 (2024/August-0)

Discovery of Giant Radio Sources from TGSS Alternative Data Release 1: Radio, Optical, and Infrared Properties.

BHUKTA N., MANIK S., PAL S. and MONDAL S.K.

Abstract (from CDS):

Giant radio sources (GRSs) are the single largest astrophysical objects known in the Universe that have grown to megaparsec scales (≥0.7 Mpc). GRSs are much rarer compared with normal-sized radio galaxies. Still, the reason for the formation of their gigantic sizes is under debate. We systematically search for GRSs from the TIFR Giant Metrewave Radio Telescope Sky Survey Alternative Data Release 1 at 150 MHz. We have newly identified 34 GRSs from this study. We have also studied the multiwavelength properties (radio, optical, and infrared) of these GRSs. We have used the likelihood ratio method to identify highly reliable multiwavelength counterparts of GRSs from Pan-STARRS (optical) and Wide-field Infrared Survey Explorer (mid-IR) data. We have classified GRSs based on their accretion mode of the central black holes using optical and mid-IR data. For all sources, we also discuss the principal characteristic parameters (redshift distribution, angular and projected linear size, total integrated radio flux density, spectral index, and radio power). We show the radio evolution track and the location of the GRSs in the P-D diagram. Using a radio-optical luminosity diagram, we identify GRSs in the Fanaroff-Riley classification. Only two GRGs in our sample reside close to the centers of galaxy clusters.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Radio active galactic nuclei - Giant radio galaxies - Active galactic nuclei - Quasars - Radio sources

Simbad objects: 39

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Number of rows : 39
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 TGSSADR J004253.1+315028 Rad 00 42 53.1 +31 50 28           ~ 1 0
2 [WHL2012] J004253.1+315028 ClG 00 42 53.11 +31 50 27.8           ~ 1 0
3 TGSSADR J015558.0+295623 Rad 01 55 58.0 +29 56 23           ~ 1 0
4 TGSSADR J080332.9+484729 Rad 08 03 32.9 +48 47 29           ~ 1 0
5 [VV2006] J080459.9+272248 QSO 08 04 59.9540946552 +27 22 48.683716428   18.50 18.26     ~ 26 0
6 TGSSADR J080835.8+170832 Rad 08 08 35.8 +17 08 32           ~ 1 0
7 SDSS J081421.69+522410.0 rG 08 14 21.6967993776 +52 24 10.075821336           ~ 6 0
8 TGSSADR J084301.4+051326 Rad 08 43 01.4 +05 13 26           ~ 1 0
9 SDSS J084636.15+141307.6 QSO 08 46 36.157 +14 13 07.61           ~ 3 0
10 TGSSADR J084759.7+014856 Rad 08 47 59.7 +01 48 56           ~ 1 0
11 TGSSADR J084813.7+011502 Rad 08 48 13.7 +01 15 02           ~ 1 0
12 SDSS J090957.08+183202.6 rG 09 09 57.082 +18 32 02.62           ~ 3 0
13 TGSSADR J091929.1+051046 rG 09 19 29.0921 +05 10 46.117           ~ 2 0
14 TGSSADR J100520.3+002019 Rad 10 05 20.3 +00 20 19           ~ 1 0
15 3C 236.0 BLL 10 06 01.75023017 +34 54 10.4016113   15.97       ~ 473 2
16 TGSSADR J100656.0+311442 Rad 10 06 56.0 +31 14 42           ~ 1 0
17 SDSS J101620.20+101258.3 rG 10 16 20.198 +10 12 58.29           ~ 3 0
18 TGSSADR J102832.3+322153 Rad 10 28 32.3 +32 21 53           ~ 1 0
19 FIRST J103044.0+355451 rG 10 30 44.03457 +35 54 51.1676           ~ 1 0
20 TGSSADR J103312.2+305421 Rad 10 33 12.2 +30 54 21           ~ 1 0
21 TGSSADR J104251.5+195725 Rad 10 42 51.5 +19 57 25           ~ 1 0
22 TGSSADR J104629.2+014457 Rad 10 46 29.2 +01 44 57           ~ 1 0
23 SDSS J113830.24+454054.4 rG 11 38 30.244 +45 40 54.46           ~ 2 0
24 QSO B1146-037 Bla 11 48 55.88483607 -04 04 09.5634509   16.96 16.90 17.55   ~ 118 1
25 TGSSADR J115840.3+153528 Rad 11 58 40.3 +15 35 28           ~ 1 0
26 SDSS J123946.00+273700.8 QSO 12 39 46.005 +27 37 00.87           ~ 2 0
27 NVSS J125541+250736 rG 12 55 41.49643 +25 07 44.6698           ~ 2 0
28 TGSSADR J131511.3+183116 Rad 13 15 11.3 +18 31 16           ~ 1 0
29 FIRST J131524.3+383044 rG 13 15 24.33422 +38 30 44.1288           ~ 2 0
30 QSO B1429+160 QSO 14 32 15.5353458505 +15 48 22.391485079     19     ~ 32 1
31 TGSSADR J151219.5+454110 Rad 15 12 19.5 +45 41 10           ~ 1 0
32 SDSS J165230.13+740827.9 rG 16 52 30.1340595504 +74 08 27.974865912           ~ 2 0
33 4C 32.53 QSO 17 31 14.5322199576 +32 32 48.498966924   16.64 16.57     ~ 24 1
34 4C 06.74 Rad 22 31 41.7 +07 02 21   17.5       ~ 7 0
35 TGSSADR J225303.2+061513 Rad 22 53 03.2 +06 15 13           ~ 1 0
36 TGSSADR J225559.6+135735 Rad 22 55 59.6 +13 57 35           ~ 1 0
37 TGSSADR J225621.9+143351 Rad 22 56 21.9 +14 33 51           ~ 1 0
38 4C 39.72 Sy2 23 06 04.6274244405 +39 27 19.715312467   17.8       ~ 28 2
39 4C 15.77 Rad 23 06 30.3 +15 56 20           ~ 3 1

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