2025MNRAS.542.3315D

Query : 2025MNRAS.542.3315D

2025MNRAS.542.3315D - Mon. Not. R. Astron. Soc., 542, 3315-3330 (2025/October-1)

Infrared and optical emission-line diagnostics.

DURRE M.

Abstract (from CDS):

We study a catalogue of over 130 emission-line galaxies with matched near infra-red (NIR) and optical spectra, where we examine the relationship between the respective nuclear activity classifications, diagnosed by the flux ratios of emission lines. We match the standard NIR classification with four different optical classifications. While there is a broad agreement between the two regimes, there are mismatches and overlaps caused either by aperture effects and/or NIR radiation penetrating obscuring dust and 'seeing deeper' into the nuclear region, thus exposing AGN activity. We examine the relationship between the equivalent widths (EW) of H $\alpha$ and Pa $\beta$, as well as the ratios [N II]/H $\alpha$ versus [Fe II]/Pa $\beta$, and find reasonable correlations. We thus propose a new diagnostic (EW of Pa $\beta$ with Fe - WPF) in the NIR (analogous to the WHaN classification), using the [Fe II]/Pa$\beta$ flux ratio and the EW of the Pa$\beta$ line. We show, within the limitations of the catalogue size, that the regions of the standard NIR diagram can be reasonably replicated in this new scheme. This diagnostic has the advantage that only one wavelength range needs to be observed, thus being economical with telescope time.

Abstract Copyright: © The Author(s) 2025. Published by Oxford University Press on behalf of Royal Astronomical Society.

Journal keyword(s): techniques: spectroscopic - galaxies: active - quasars: emission lines - galaxies: Seyfert - galaxies: statistics

VizieR on-line data: <Available at CDS (J/MNRAS/542/3315): table8.dat>

Simbad objects: 133

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Number of rows : 133
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 Z 478-15 Sy2 00 03 09.6087980256 +21 57 36.971989884   15.30 14.62     ~ 212 1
2 NGC 7808 Sy2 00 03 32.1315693168 -10 44 40.883874792   14.33 13.48     ~ 47 1
3 NGC 17 Sy2 00 11 06.612 -12 06 28.33   14.14 13.52     ~ 369 1
4 NGC 51 GiG 00 14 34.9106443080 +48 15 19.864154520   14.6       ~ 29 0
5 IC 51 AG? 00 46 24.215 -13 26 32.63   13.41   12.69 12.8 ~ 98 0
6 NGC 262 Bla 00 48 47.14147900 +31 57 25.0845702 14.04 13.90 13.06 8.53   ~ 778 2
7 Z 502-82 Sy2 01 25 31.4551524072 +32 08 10.473856512   15.01 13.96     ~ 237 0
8 NGC 591 Sy1 01 33 31.2305692968 +35 40 05.628351108   14.71 13.90     ~ 205 0
9 NGC 660 Sy2 01 43 02.350 +13 38 44.45   12.02 11.16     ~ 588 2
10 Z 386-35 Sy1 01 43 57.7777898304 +02 20 59.531401716   14.90 14.07     ~ 569 1
11 NGC 708 rG 01 52 46.482 +36 09 06.53 14.85 14.27 13.29 12.67 12.09 ~ 259 3
12 NGC 864 H2G 02 15 27.641 +06 00 09.43   12.00       ~ 235 1
13 NGC 1052 Bla 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1397 2
14 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1448 3
15 NGC 1142 Sy2 02 55 12.2311509144 -00 11 00.807149472   15.42 14.41     ~ 350 1
16 Z 524-40 Sy2 02 59 58.5970307633 +36 49 13.808979663   14.89 13.96     ~ 369 1
17 NGC 1167 LIN 03 01 42.3322774176 +35 12 20.300948892   13.84 12.77     ~ 382 1
18 NGC 1186 GiG 03 05 30.8819668032 +42 50 07.817558856   12.5       ~ 66 0
19 NGC 1222 Sy2 03 08 56.7398731608 -02 57 18.587969280   13.3   13.0 13.2 ~ 210 0
20 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
21 Mrk 612 Sy2 03 30 40.866 -03 08 15.69   15.03 14.25     ~ 100 0
22 NGC 1482 EmG 03 54 38.928 -20 30 08.82 13.15 13.14 12.15 11.29   ~ 313 2
23 MCG-04-10-018 Sy1 04 10 22.593 -23 37 01.07   14.38   12.97   ~ 41 1
24 NGC 1614 Sy1 04 34 00.027 -08 34 44.57   14.66 13.99     ~ 697 1
25 NGC 1635 EmG 04 40 07.881 -00 32 51.22   13.5       ~ 29 0
26 NGC 1691 GiC 04 54 38.326 +03 16 04.54   13.2       ~ 71 1
27 MCG-05-13-017 Sy2 05 19 35.8118941104 -32 39 27.923120568   13.81 13.37 12.73   ~ 274 1
28 NGC 1961 LIN 05 42 04.6327819680 +69 22 42.411028872   11.73 10.99     ~ 362 3
29 NGC 2110 Sy2 05 52 11.3768668776 -07 27 22.507465392   14.77 13.51 11.86   ~ 712 1
30 Z 329-24 Sy2 06 15 36.2812259376 +71 02 14.837219808 14.21 14.03 12.97     ~ 960 2
31 NGC 2273 Sy1 06 50 08.6691789600 +60 50 44.864645136   14.50 13.54     ~ 566 2
32 NGC 2339 H2G 07 08 20.5343958360 +18 46 48.812128644   12.3       ~ 150 1
33 NGC 2342 AGN 07 09 18.089 +20 38 09.22   12.92 12.15     ~ 132 0
34 NGC 2350 AG? 07 13 12.1539432562 +12 15 57.779325033   14.1       ~ 40 1
35 MCG-05-18-002 Sy2 07 16 31.2062162520 -29 19 28.882826364   13.28 13.52 11.61   ~ 288 4
36 Z 31-36 Sy2 08 04 05.8608218112 +05 06 49.823376120   14.55 13.7     ~ 340 2
37 NGC 2578 Sy2 08 21 24.2813136816 -13 19 04.207033164   14.05 13.04 12.31   ~ 31 0
38 NGC 2639 Sy2 08 43 38.0682469032 +50 12 19.942091604 12.90 12.56 11.65     ~ 451 2
39 NGC 2629 rG 08 47 15.7773 +72 59 08.337   12.8       ~ 60 1
40 NGC 2655 Sy2 08 55 37.731 +78 13 23.10   12.03 11.08     ~ 318 2
41 NGC 2706 GiG 08 56 12.31200 -02 33 48.3300   13.8       ~ 64 1
42 NGC 2855 EmG 09 21 27.4894926552 -11 54 34.337758068   13.24 12.23 10.77   ~ 97 0
43 IC 537 Sy1 09 25 22.6203477312 -12 23 29.910222276   14   12.66   ~ 23 0
44 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
45 NGC 2911 Sy2 09 33 46.10739467 +10 09 08.8215304   14.96 13.83     ~ 259 0
46 NGC 2964 H2G 09 42 54.251 +31 50 49.97   12.0       ~ 292 1
47 Mrk 124 Sy1 09 48 42.6773858856 +50 29 31.387877592   16.95 16.60     ~ 128 0
48 Z 7-49 Sy1 09 52 19.168 -01 36 44.10   14.99 14.39 11.2   ~ 348 1
49 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
50 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
51 NGC 3166 GiP 10 13 45.7270131936 +03 25 29.310401424   11.2       ~ 246 0
52 NGC 3169 SyG 10 14 15.0379414272 +03 27 57.941639856   13.46 12.41     ~ 381 1
53 NGC 3147 Sy2 10 16 53.6388580752 +73 24 02.641798224   11.43 10.61     ~ 533 2
54 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 422 2
55 NGC 3180 GiG 10 18 16.985 +41 25 27.77   10.4       ~ 777 0
56 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1807 2
57 Z 9-82 GiG 10 34 44.7684324648 -01 58 08.556149676   13.8       ~ 36 0
58 NGC 3301 GiG 10 36 56.0401118904 +21 52 55.516904976   12.2       ~ 152 0
59 IC 630 GiP 10 38 33.6291893352 -07 10 14.528232696   13.3   12.9 12.3 ~ 72 0
60 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 809 1
61 NGC 3516 Sy1 11 06 47.4632200800 +72 34 07.298374656   13.12 12.40     ~ 1638 0
62 NGC 3593 GiG 11 14 36.9731893800 +12 49 05.497790664   11.8       ~ 376 2
63 NGC 3626 GiG 11 20 03.8069651160 +18 21 24.543304164   11.2       ~ 282 0
64 NGC 3718 Sy2 11 32 34.8571790688 +53 04 04.520222040   11.35 10.61     ~ 408 1
65 NGC 3732 Sy1 11 34 13.9509804336 -09 50 44.425087728   13.7   12.45 12.8 ~ 57 1
66 NGC 3884 LIN 11 46 12.1809231456 +20 23 29.919085584   13.79 12.88 12.61   ~ 183 0
67 NGC 3962 LIN 11 54 40.0986420456 -13 58 30.234748836   13.16 12.16 11.15   ~ 162 1
68 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
69 NGC 4102 Sy2 12 06 23.11513 +52 42 39.4160   11.8       ~ 449 1
70 NGC 4111 LIN 12 07 03.1334091672 +43 03 56.345868252 12.07 11.63 10.74     ~ 350 1
71 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
72 NGC 4253 Sy1 12 18 26.5163572920 +29 48 46.531535472   14.34 13.57     ~ 1106 1
73 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
74 NGC 4278 LIN 12 20 06.8242 +29 16 50.722 11.54 11.09 10.16     ~ 988 2
75 NGC 4293 LIN 12 21 12.891 +18 22 56.64   11.6       ~ 311 2
76 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
77 NGC 4369 AGN 12 24 36.204 +39 22 58.73   12.3       ~ 210 1
78 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1433 2
79 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1286 1
80 NGC 4355 Sy2 12 26 54.6206739120 -00 52 39.421212996   14.21 13.37     ~ 527 2
81 NGC 4438 LIN 12 27 45.6705493536 +13 00 31.708096380 11.37 11.02 10.17     ~ 668 2
82 NGC 4450 LIN 12 28 29.5910654016 +17 05 05.976112020   10.90 10.08     ~ 587 2
83 M 91 LIN 12 35 26.4446761320 +14 29 46.760333748   14.63 13.57     ~ 639 0
84 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 953 1
85 M 58 Sy2 12 37 43.59747 +11 49 05.1240 10.80 10.48 9.66     ~ 1140 2
86 NGC 4694 AGN 12 48 15.091 +10 59 01.05   13.93 13.36     ~ 302 0
87 NGC 4710 H2G 12 49 38.958 +15 09 55.76   11.6       ~ 329 0
88 NGC 4750 LIN 12 50 07.3113940944 +72 52 28.653179520   11.8       ~ 153 0
89 MCG-04-30-029 LIN 12 51 31.846 -26 27 07.74   12.47   10.91 11.9 ~ 88 0
90 NGC 4748 Sy1 12 52 12.4650934680 -13 24 53.262019944   14.73 14.03 12.82   ~ 287 0
91 NGC 5005 LIN 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 567 2
92 NGC 5033 Sy2 13 13 27.535 +36 35 37.14   11.01 12.03 9.73   ~ 909 1
93 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
94 NGC 5273 Sy1 13 42 08.3801616672 +35 39 15.467518836   14.01 13.12     ~ 510 0
95 Z 336-28 Sy1 13 53 03.4348964112 +69 18 29.410910460   15.15 14.46     ~ 812 1
96 NGC 5390 LIN 13 55 39.9385716624 +40 27 42.380606592   12.81 11.93 10.04   ~ 373 1
97 NGC 5548 Sy1 14 17 59.5400291832 +25 08 12.603122268   14.35 13.73     ~ 2895 0
98 Mrk 478 Sy1 14 42 07.4714418744 +35 26 22.938625500   14.91 14.58     ~ 567 1
99 NGC 5728 Sy2 14 42 23.8918506576 -17 15 11.240783784   14.34 13.40     ~ 679 1
100 NGC 5850 LIN 15 07 07.6828131840 +01 32 39.513281352   11.5   10.79 11.1 ~ 330 1
101 NGC 5905 H2G 15 15 23.3280793632 +55 31 01.926808032   13.6       ~ 287 1
102 NGC 5929 Sy1 15 26 06.1564333536 +41 40 14.384294616   13.0 14.00     ~ 450 0
103 NGC 5953 Sy2 15 34 32.40240 +15 11 37.7990   13.23 12.45     ~ 389 1
104 Mrk 291 Sy2 15 55 07.9382721408 +19 11 32.556647184   16.15 15.51     ~ 107 0
105 Z 195-3 Sy1 15 59 09.6231720696 +35 01 47.561352852   15.69 15.06     ~ 346 0
106 MCG+05-40-026 Sy1 17 01 07.7786859408 +29 24 24.583886064   16.63 15.78     ~ 106 1
107 UGC 10683 Sy1 17 05 00.3938346624 -01 32 28.533617196   16.84 15.55 12.1   ~ 67 0
108 Z 252-40 Bla 17 19 14.4925971408 +48 58 49.423205136   15.86 14.81 9.44   ~ 335 1
109 NGC 6500 LIN 17 55 59.78218885 +18 20 17.6673590   13.43 12.54     ~ 232 1
110 Z 228-6 LIN 18 24 46.2665050920 +41 29 33.837255060   14.5       ~ 49 0
111 LEDA 90334 Sy1 19 37 33.0247353552 -06 13 04.809737748   16.12 15.35 8.8   ~ 186 2
112 LEDA 90359 AG? 20 17 31.443 +72 07 25.77           ~ 16 0
113 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
114 Mrk 509 Sy1 20 44 09.7504483224 -10 43 24.727155528   13.35 13.12 10.7   ~ 1370 0
115 MCG-01-53-008 Sy1 20 46 20.8414665240 -02 48 45.360840096   15.27 14.61     ~ 135 0
116 NGC 7013 AG? 21 03 33.5698770000 +29 53 50.926694208   12.9       ~ 145 0
117 LEDA 89171 Sy1 21 09 09.9697330176 -09 40 14.755152216   14.95 14.39 12.7   ~ 117 0
118 Z 471-2 AG? 21 16 52.8810778872 +24 12 15.338454264   15.0       ~ 22 0
119 NGC 7074 AG? 21 29 38.8697077128 +06 40 57.884713824   15.0       ~ 25 0
120 NGC 7080 H2G 21 30 01.9198296768 +26 43 04.373982840 13.25 13.13 12.33     ~ 69 1
121 NGC 7217 LIN 22 07 52.3984675584 +31 21 33.632293572   12.94 11.92     ~ 511 0
122 NGC 7252 AGN 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 720 1
123 Z 495-18 Sy1 22 42 39.3363009144 +29 43 31.302092640   14.86 14.16     ~ 748 1
124 NGC 7465 Sy2 23 02 00.9603717552 +15 57 53.236032120   13.3       ~ 333 0
125 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2253 3
126 NGC 7625 AG? 23 20 30.132 +17 13 32.16 13.31 13.23 11.98 11.25   ~ 280 0
127 NGC 7648 GiG 23 23 54.031 +09 40 02.85   13.5       ~ 87 1
128 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2
129 NGC 7682 Sy2 23 29 03.9181335984 +03 31 59.921415444   14.3       ~ 254 1
130 NGC 7706 GiG 23 35 10.4339174520 +04 57 51.037060212   14.6       ~ 24 0
131 NGC 7714 AGN 23 36 14.1257730600 +02 09 18.197422668   14.91 14.36     ~ 788 1
132 NGC 7743 Sy2 23 44 21.1607807112 +09 56 02.970989664   14.19 13.28     ~ 334 0
133 NGC 7798 H2G 23 59 25.5026958146 +20 44 59.355521544 12.83 12.97 12.37     ~ 130 2

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