2025ApJ...982..171K

Query : 2025ApJ...982..171K

2025ApJ...982..171K - Astrophys. J., 982, 171 (2025/April-1)

DIISC-VI (COS-DIISC): Ultraviolet Metal Absorption Relative to the H I Disk of Galaxies.

KOPLITZ B., BORTHAKUR S., HECKMAN T., PADAVE M., McCABE T., TUMLINSON J., FOX A.J. and KAUFFMANN G.

Abstract (from CDS):

As part of the Deciphering the Interplay between the Interstellar medium, Stars, and the Circumgalactic medium (DIISC) survey, we present the UV metal absorption features in the circumgalactic medium (CGM) near the H I gas disk (<4.5RHI) of 31 nearby galaxies through quasar absorption-line spectroscopy. Of the ions under study, Si IIIλ1206 was most frequently detected (18 of 31 sight lines), while C IIλ1334 and Si IIλ1260 were detected in 17 and 15 of 31 sight lines, respectively. Many components were consistent with photoionization equilibrium models; most of the cold and cool gas phase clouds were found to have lengths smaller than 2 kpc. Sight lines with smaller impact parameters (ρ) normalized by the galaxy's virial radius (Rvir) and H I radius (RHI) tend to have more components and larger rest-frame equivalent widths (Wr) than those that probe the CGM at larger radii. In particular, we find that the location of metals are better traced by ρ/RHI rather than the traditional ρ/Rvir. Larger covering fractions are found closer to galaxies, with a radial decline that depends on the Wr limit used. Our results provide new insights into the spatial distribution of metals around the H I disks of low-redshift galaxies.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Photoionization - Quasar-galaxy pairs - Quasar absorption line spectroscopy

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 64

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Number of rows : 64
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 [VV2006] J002330.6+154744 QSO 00 23 30.5859421032 +15 47 44.963018196   17.22 17.16     ~ 34 0
2 NGC 99 AG? 00 23 59.422 +15 46 13.04 13.78 13.99 13.65     ~ 72 1
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1448 3
5 ESO 157-49 GiG 04 39 36.883 -53 00 45.54   14.37   13.30 13.4 ~ 77 0
6 2MASS J08322008+2431007 QSO 08 32 20.0841882768 +24 31 00.578766684   17.61 17.33     ~ 21 0
7 Z 119-123 G 08 32 21.555 +24 31 43.09   15.7       ~ 14 0
8 NGC 2611 G 08 35 29.1907532496 +25 01 38.757030600   15.3       ~ 45 0
9 QSO B0832+2510 QSO 08 35 35.8061692320 +24 59 40.183955880   16.30 16.00     ~ 77 0
10 LEDA 1805201 SyG 09 17 30.50144 +27 20 38.6346           ~ 4 0
11 SDSS J104241.27+250122.8 Sy1 10 42 41.2762965744 +25 01 22.811206872   18.38 18.17     ~ 17 0
12 NGC 3344 EmG 10 43 31.150 +24 55 19.99 10.38 10.54 9.86 9.71   ~ 434 1
13 [VV2006] J104335.9+115129 QSO 10 43 35.8739240952 +11 51 29.075414832   16.53 16.35     ~ 32 0
14 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1238 2
15 NGC 3433 AG? 10 52 03.827 +10 08 53.66   13.6       ~ 107 0
16 2MASS J10522061+1017516 Sy1 10 52 20.6339135400 +10 17 51.709904340   19.23 18.87     ~ 16 0
17 QSO J1059+1441 QSO 10 59 45.2329109520 +14 41 42.895491540   17.37 17.18     ~ 41 0
18 LEDA 1731021 AG? 10 59 52.4881174536 +25 16 33.485510784           ~ 12 0
19 QSO J1059+2517 QSO 10 59 58.8146194488 +25 17 08.860212924   17.82 17.71     ~ 31 0
20 NGC 3485 AGN 11 00 02.3705905728 +14 50 29.983054596   12.8       ~ 134 0
21 NGC 3666 GiG 11 24 26.0692042488 +11 20 31.397824824   12.5       ~ 161 0
22 2MASS J11243943+1131173 BLL 11 24 39.4292679096 +11 31 17.261815908   18.98 18.36     ~ 21 0
23 NGC 3728 EmG 11 33 15.7784145168 +24 26 48.805675224   14.7       ~ 48 0
24 2MASS J11332577+2423279 QSO 11 33 25.7722179240 +24 23 27.826493064   16.8 18.06 17.3   ~ 17 0
25 LEDA 4286202 G 11 34 57.45870 +25 56 44.7218           ~ 10 0
26 QSO J1134+2555 QSO 11 34 57.6251445336 +25 55 27.894162684   16.5 17.13 17.0   ~ 36 0
27 [VV2006] J114046.1+113649 QSO 11 40 46.0657445304 +11 36 49.524553008   18.28 18.14     ~ 25 0
28 NGC 3810 GiC 11 40 58.7615811624 +11 28 15.808680696   11.4       ~ 351 2
29 2MASX J11443051+0703376 LIN 11 44 30.5147180112 +07 03 37.520435484           ~ 13 0
30 2MASS J11443474+0705165 Sy1 11 44 34.7317556688 +07 05 16.451421648   16.2       ~ 17 0
31 LEDA 3475814 G 11 57 02.20031 +09 06 10.3601           ~ 8 0
32 SDSS J115709.77+090607.3 QSO 11 57 09.7728299064 +09 06 07.291902456   19.54 19.19     ~ 21 0
33 LEDA 1396787 AG? 11 57 18.02267 +11 39 21.1333           ~ 20 0
34 2MASS J11572244+1140406 Sy1 11 57 22.4430278616 +11 40 40.725761196   18.90 18.60     ~ 21 0
35 2MASS J12091736+2616130 QSO 12 09 17.3529200376 +26 16 13.104812604   18.41 18.39     ~ 13 0
36 Z 128-43 GiC 12 09 28.674 +26 13 33.83   15.3       ~ 36 0
37 LEDA 3096124 Sy2 12 21 37.9340182128 +04 30 26.133853464   18.34 18.00     ~ 55 0
38 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
39 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
40 2E 2688 Sy1 12 23 30.7903895808 +15 45 07.373687184     15.9     ~ 32 0
41 IC 3440 G 12 31 05.15426 +12 01 47.4787           ~ 12 0
42 LEDA 169472 Sy1 12 31 13.1265488784 +12 03 07.219728108   18.36 17.91     ~ 36 0
43 NGC 4921 Sy2 13 01 26.1222244152 +27 53 09.629006748   13.7       ~ 225 0
44 PB 3223 Sy1 13 01 28.1471465160 +27 51 06.685754040   18.32 17.91     ~ 29 0
45 Z 160-121 EmG 13 03 28.993 +26 33 02.42   15.5       ~ 112 0
46 A2 390 QSO 13 03 45.9857182176 +26 33 14.072300460   18.1       ~ 34 0
47 LEDA 1762076 G 13 14 41.0231756760 +26 05 14.899076340           ~ 9 0
48 LEDA 1762846 Sy1 13 14 47.0667932544 +26 06 24.202671480   18.27 17.77     ~ 15 0
49 PB 4140 Sy1 13 54 26.0851834776 +14 41 51.517435092   18.78 18.48     ~ 17 0
50 Z 102-79 G 13 54 30.110 +14 40 32.83   15.7       ~ 24 0
51 2MASS J14150591+0445459 Sy1 14 15 05.9097795648 +04 45 46.139829876   19.14 18.77     ~ 23 0
52 Z 46-75 EmG 14 15 12.3000998520 +04 49 27.310387008   14.29       ~ 34 1
53 QSO B1429+1008 QSO 14 32 16.7807230848 +09 55 19.242601536   17.59 17.44     ~ 30 0
54 Z 75-63 AG? 14 32 20.881 +09 55 59.65   15.3       ~ 22 0
55 NGC 5669 H2G 14 32 43.476 +09 53 25.47   13.2       ~ 213 0
56 [VV2006] J152447.8+041919 Sy1 15 24 47.7596344776 +04 19 19.870462956   18.88 18.75     ~ 21 0
57 LEDA 3846223 G 15 24 49.2411068880 +04 21 37.034548920           ~ 20 0
58 LEDA 140527 G 15 33 13.64390 +15 01 24.9773           ~ 13 0
59 LEDA 3096433 Sy2 15 33 14.2852150176 +15 01 03.054807804   17.97 17.58     ~ 24 0
60 NGC 5951 GiG 15 33 43.070 +15 00 26.26   13.8       ~ 121 0
61 IC 1149 Sy2 15 58 07.9746400272 +12 04 13.065353796   14.1       ~ 46 0
62 2MASS J15582186+1205329 QSO 15 58 21.8593587888 +12 05 33.246651912   17.96 17.90     ~ 16 0
63 Z 79-17 G 15 58 49.9593670224 +12 53 31.386977124   15.7       ~ 7 0
64 2MASS J15585535+1255553 Sy1 15 58 55.3480747752 +12 55 55.299253836   18.58 18.32     ~ 18 1

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