Open Access

Table A.2

Veroncat object type mapping.

Original code Unified type Notes
Q2 QSO type2 Type-2 QSO
S1 Seyfert 1 Seyfert 1 spectrum
S1h Seyfert 1 −h Broad polarized Balmer lines detected
S1i Seyfert 1 −i Broad Paschen lines observed in the infrared
S1n Seyfert 1-NL Narrow-line Seyfert 1
S1.0 Seyfert 1.0
S1.2 Seyfert 1.2
S1.5 Seyfert 1.5
S1.8 Seyfert 1.8
S1.9 Seyfert 1.9
S2 Seyfert 2 Seyfert 2 spectrum
S2? Seyfert 2 ? Probable Seyfert 2
S3 Seyfert 3/LINER Seyfert 3 or liner
S3b Seyfert 3/LINER −b Seyfert 3 or liner with broad Balmer lines
S3h Seyfert 3/LINER −h Seyfert 3 or liner with broad polarized Balmer lines detected
S Seyfert (unclassified) unclassified Seyfert
S? Seyfert ? Probable Seyfert
H2 Nuclear HII region nuclear HII region
HP High polarization high optical polarization (>3%)
BL BL Lac Confirmed BL Lac
BL? BL Lac? Probable BL Lac
? BL Lac ?? Questionable BL Lac

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