2001ApJ...556..676C

Query : 2001ApJ...556..676C

2001ApJ...556..676C - Astrophys. J., 556, 676-693 (2001/August-1)

Multicolor optical imaging of infrared-warm Seyfert galaxies. IV. Surface photometry: color distributions.

CHATZICHRISTOU E.T.

Abstract (from CDS):

This paper is the fourth in a series studying the optical properties of a sample of mid-infrared warm Seyfert galaxies and of a control sample of mid-infrared cold galaxies. The present paper is devoted to the analysis of the color distributions characterizing the hosts. The warm Seyfert 1 and 2 galaxies show opposite color gradients and their color profiles are depicting age and dust effects within single-burst, solar-metallicity models. In particular, we find ample evidence for the occurrence of strong star formation in the Seyfert 2 disks: their color and emission line two-dimensional maps suggest dust extinction associated with ongoing star formation in spiral and tidal features; their color profiles show starbursts of 0.5-1 Gyr or younger, superposed on the older underlying galaxy population. Most of these properties are shared with the cold galaxies, while the warm Seyfert 1 galaxies show mostly older stellar populations and, in only a few cases, evidence for circumnuclear star formation.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Active - Galaxies: Interactions - Galaxies: Photometry - Galaxies: Seyfert

CDS comments: IRAS 10475+1429 misprint for 10475-1429.

Simbad objects: 39

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Number of rows : 39
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 IRAS 00321-0018 Sy2 00 34 43.5012933672 -00 02 27.032963604   16.26 15.67     ~ 50 1
2 Mrk 1502 Sy1 00 53 34.9331107632 +12 41 35.929269132   14.41 14.03     ~ 1242 1
3 IRAS 00521-7054 Sy2 00 53 56.2229333640 -70 38 04.243791912 17.83 17.22 16.2 16.14 14.55 ~ 109 0
4 ESO 543-11 Sy2 01 40 15.5721813168 -22 14 44.753821296   15.86 15.40     ~ 33 0
5 ESO 416-5 Sy1 02 38 45.1459401792 -30 48 23.394294000   14.98 14.85 14.14   ~ 63 0
6 ESO 30-19 EmG 02 43 47.3379123576 -74 43 17.651320464   14.47   14.05   ~ 17 0
7 MCG-02-08-039 Sy1 03 00 30.6274872888 -11 24 57.031067052   14 14.3 13.45   ~ 110 0
8 NGC 1229 Sy2 03 08 10.8346520856 -22 57 36.937886004   14.87 14.45 13.86   ~ 90 0
9 ESO 200-9 Sy2 03 21 40.6647344856 -51 39 30.092634864   15.60 15.6 14.47   ~ 36 0
10 IRAS 03355+0104 Sy2 03 38 10.3790759400 +01 14 18.225992616           ~ 36 0
11 LEDA 13422 Sy2 03 38 33.5520704184 -16 32 18.242798532   17.67 16.39 17.04   ~ 59 0
12 NGC 1509 Sy1 04 03 55.2084661104 -11 10 44.466667104   14.5       ~ 29 0
13 ESO 202-23 LIN 04 27 59.9876746752 -47 54 45.913916160   13.50 14.90 12.00   ~ 53 0
14 ESO 157-40A IG 04 31 38 -53 18.1           ~ 4 0
15 MCG-02-12-045 Sy1 04 36 22.2985487328 -10 22 33.986941536   15.08 14.51 10.7   ~ 276 0
16 2MASX J04494090-6436213 Sy1 04 49 40.8649035984 -64 36 21.237207372   17.01 15.4 16.09   ~ 21 1
17 Z 420-15 Sy2 04 53 25.7402917464 +04 03 41.809965948   15.0       ~ 144 0
18 Z 395-23 Sy1 05 16 11.4092471904 -00 08 59.157166920   14.30 13.92     ~ 953 1
19 ESO 487-6 EmG 05 22 43.7333639448 -27 24 59.572646100   15.69       ~ 25 0
20 MCG-07-12-002 G 05 23 18.389 -42 42 39.80   14.92   13.67   ~ 22 0
21 Z 234-26 Sy1 06 54 35.079 +50 21 09.03   15.0       ~ 50 0
22 Z 262-50 GiG 07 55 19.499 +53 19 50.75   14.4       ~ 39 0
23 Z 63-51 rG 09 43 21.59280 +10 05 01.9104   15.7       ~ 21 0
24 Mrk 124 Sy1 09 48 42.6773858856 +50 29 31.387877592   16.95 16.60     ~ 128 0
25 Z 7-49 Sy1 09 52 19.168 -01 36 44.10   14.99 14.39 11.2   ~ 348 1
26 MCG-02-28-009 Sy2 10 49 59.8518739349 -14 45 01.389584581   15   14.60   ~ 21 0
27 Mrk 176 Sy2 11 32 40.2448971432 +52 57 01.289256768   15.50 14.61 13.52   ~ 244 1
28 2MASX J13163979+4452351 Sy2 13 16 39.7455052128 +44 52 35.060629584   17.83 17.45     ~ 54 0
29 Z 103-14 Sy2 13 56 02.89833 +18 22 18.2982   14.8 14.22     ~ 413 2
30 ESO 448-10 Sy2 14 58 43.9596381456 -28 42 14.732657928   16.46 15.52     ~ 27 0
31 Mrk 841 Sy1 15 04 01.1935384104 +10 26 15.780409692   14.50 14.27     ~ 701 0
32 NAME Super Antennae Sy2 19 31 21.4272801984 -72 39 21.442847832   17.39 16.37 14.65   ~ 318 3
33 IRAS 19580-1818 Sy2 20 00 55.752 -18 10 27.40   16.29 15.21     ~ 74 0
34 IC 5063 Bla 20 52 02.15 -57 04 06.7   12.92 13.60 11.30   ~ 710 1
35 Mrk 1513 Sy1 21 32 27.8162556672 +10 08 19.252365396   14.92 14.64     ~ 651 0
36 IRAS 22017+0319 Sy2 22 04 19.1643461808 +03 33 51.253679232     15.4     ~ 97 0
37 Mrk 315 Sy1 23 04 02.6208829104 +22 37 27.433279164   15.60 14.78     ~ 151 0
38 ESO 77-14 IG 23 21 03.5561888880 -69 13 01.088615424   16.52   15.27   ~ 59 0
39 NGC 7674 Sy1 23 27 56.6973043968 +08 46 44.253707772 13.84 13.92 13.23 12.64   ~ 738 2

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