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Table 2.

Classification of LoTSS cross-matched sources.

Diagnostic AGN Int. SF Uncl.
(No. of overall radio-AGN)
Dn(4000) vs L144 MHz/M 102 705 1675 11
(102) (378) (19)
LHα vs L144 MHz 148 623 1583 139
(134) (216) (24) (125)
BPT 593 484 1122 294
(220) (52) (6) (221)
WISE col-col 839 1433 221
(374) (27) (98)

Notes. Number of sources classified by each diagnostic discussed in Sect. 2.1. The different classes are: AGN, intermediate (Int.), star-forming (SF), and unclassified (Uncl.). The numbers in brackets are sources from each group classified as radio-AGN after combining the four diagnostics.

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