Core prominence as a signature of restarted jet activity in the LOFAR radio-galaxy population

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Volume 691 (November 2024)

A&A, 691 (2024) A287

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Table A.1.

List of candidate restarted radio galaxies in the HETDEX region from LoTSS DR2.

No.	Source	z	S_int	CP	SB	α_core	α_ext	Selection	CP
			144MHz	1.4GHz	144MHz			criteria	144MHz
			[mJy]
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
1	J104926.21+472859.0	0.761^s	6.59	> 0.39	4.37	-0.44 ± -0.05	< -0.01	CP+SB	0.63
2	J105611.37+472203.9	0.326^s	7.80	< 0.23	4.08	-0.47 ± -0.07	< -0.08	CP+SB	0.41
3⋆	J105640.50+554330.2⋆	0.444^s	46.71	0.76	16.19	-0.68 ± -0.03	-1.43 ± -0.25	CP+SB,SSC,USS	0.37
4	J110158.70+464534.8	0.469^s	43.28	< 0.24	7.10	-0.65 ± -0.02	< -0.56	CP+SB,SSC	0.28
5⋆	J110330.09+534624.1⋆	0.360^s	277.97	0.24	101.84	-0.71 ± -0.02	-1.42 ± -0.02	SSC,USS	0.06
6	J110507.80+481110.4	0.213^s	49.64	< 0.25	18.63	-0.70 ± -0.03	< -0.79	CP+SB,SSC	0.21
7	J110533.20+525112.7	0.224^s	22.07	< 0.19	7.94	-0.59 ± -0.03	< -0.18	CP+SB	0.36
8	J110609.86+495946.2	0.687^p	17.83	< 0.23	6.15	-0.44 ± -0.03	< -0.13	CP+SB	0.37
9⋆	J110759.92+512035.4⋆	0.801^p	223.57	< 0.17	33.22	-0.66 ± -0.03	< -1.40	CP+SB,SSC,USS	0.04
10	J110921.45+481454.0	0.392^s	18.88	< 0.04	1.80	-0.77 ± -0.06	< 0.14	SSC	0.24
11	J111113.93+500925.8	0.596^s	29.00	0.49	9.83	-0.15 ± -0.02	-0.81 ± -0.06	CP+SB	0.18
12	J111300.30+494230.0	0.502^p	237.88	0.61	27.25	0.23 ± 0.003	-0.99 ± -0.01	CP+SB	0.09
13	J111853.71+523123.4	0.292^s	8.06	< 0.12†	2.96	< -0.59	< -0.24	CP+SB	0.23
14	J112107.98+480217.8	0.126^s	39.53	> 0.26	5.28	-0.61 ± -0.03	< -0.75	CP+SB	0.20
15	J112113.61+542136.4	0.210^s	66.39	0.35	18.96	-0.50 ± -0.02	-0.83 ± -0.05	CP+SB	0.20
16	J112306.22+525750.2	0.470^s	23.06	0.56	4.98	-0.41 ± -0.01	-0.53 ± -0.07	CP+SB	0.49
17	J113017.57+474626.3	0.127^s	13.60	< 0.03†	3.05	< -0.71	< 0.12	SSC	0.18
18	J113107.17+551850.8	0.244^p	80.55	0.36	13.36	-0.41 ± -0.01	-0.92 ± -0.03	CP+SB	0.15
19	J113718.05+484715.2	0.590^p	34.33	0.59	11.33	-0.34 ± -0.01	-0.90 ± -0.08	CP+SB	0.29
20⋆†	J114312.36+505016.3⋆†	0.915^s	47.60	0.96	10.11	-0.17 ± 0.004	-1.50 ± -0.37	CP+SB,USS	0.54

Columns: 1 – Number; 2 – Source; 3 – redshift; 4 – Total integrated flux densities at 144 MHz measured directly in the LOFAR 20″ image in mJy; 5 – radio core prominence at 1.4 GHz († values poorly constrained); 6 – surface brightness at 144 MHz in mJy arcmin⁻²; 7 – spectral index of the core region; 8 – spectral index of the extended emission; 9 – selection criteria to identify a source as restarted (CP=high radio core prominence, SB=surface brightness at 144 MHz and SSC=steep spectrum core); 10 – radio core prominence at 144 MHz. ⋆ in the source name denotes USS sources. † denotes sources with broad emission lines in their SDSS spectra. ^s and ^p in redshift values denote spectroscopic and photometric redshifts. The full table is available in a machine-readable format at the CDS.

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