2005A&A...429..819M


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.04CET20:06:31

2005A&A...429..819M - Astronomy and Astrophysics, volume 429, 819-823 (2005/1-3)

Peculiarities and populations in elliptical galaxies. II. Visual-near IR colours as population indices.

MICHARD R.

Abstract (from CDS):

As a complement to the data collected and discussed in Paper I of this series, 2MASS near-IR images have been used, in connection with available V light aperture photometry, to derive the colours V-J, V-K, J-H and J-K within the effective aperture Ae: nearly the same complete sample of 110 E-type galaxies is treated. In Paper I these were classified, based on morphological criteria, into the ``peculiar'' (or Pec) and ``normal'' (or Nop) subsamples. For the Nop subsample, the derived colour indices are tightly related to the galaxy masses, as measured by the central velocity dispersion σ0, although with rather small slopes as regards J-H and J-K. For the Pec subsample, the V-J and V-K colours behave as UBV and line-indices: part of the objects show blue residuals from the appropriate colour-σ0 regression, which is evidence of a younger population mixed with the ``normal'' one traced by the Nop regressions; the other shows no deviations from the Nop subsample. The distinction among Pec objects between the YP family (NGC 2865 type), and the NP one (NGC 3923 type), is statistically supported, and generally confirmed in specific cases.

Abstract Copyright:

Journal keyword(s): galaxies: elliptical and lenticular, cD - galaxies: photometry

VizieR on-line data: <Available at CDS (J/A+A/429/819): residual.dat table4.dat>

Simbad objects: 37

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Number of rows : 37

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 596 GiG 01 32 51.906 -07 01 53.54   11.5       ~ 230 0
2 NGC 1340 GiG 03 28 19.668 -31 04 05.45   11.20 10.32 9.70   ~ 199 1
3 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1473 1
4 NGC 1395 SyG 03 38 29.789 -23 01 39.69   10.71   8.99   ~ 261 0
5 NGC 1537 GiG 04 13 40.706 -31 38 43.48   11.54   10.11   ~ 94 0
6 NGC 1549 GiP 04 15 45.223 -55 35 32.50 11.22 10.48 9.79 9.08   ~ 227 1
7 NGC 1653 GiG 04 45 47.362 -02 23 34.09   12.9       ~ 53 0
8 NGC 1700 GiG 04 56 56.347 -04 51 56.64   12   11.14   ~ 333 1
9 NGC 2768 SyG 09 11 37.504 +60 02 13.95 11.30 10.84 9.87     ~ 470 2
10 NGC 2865 GiG 09 23 30.205 -23 09 41.37   12.39 11.43 11.06   ~ 229 0
11 NGC 2974 Sy2 09 42 33.267 -03 41 56.82   12.19   10.77   ~ 415 0
12 NGC 3557 rG 11 09 57.653 -37 32 21.02   11.50 10.40 9.79   ~ 259 2
13 NGC 3585 GiG 11 13 17.109 -26 45 17.96   10.64   9.22   ~ 267 0
14 NGC 3610 GiG 11 18 25.276 +58 47 10.49   11.4       ~ 287 0
15 NGC 3613 GiG 11 18 36.130 +57 59 59.73   11.6       ~ 194 0
16 NGC 3640 GiG 11 21 06.852 +03 14 05.15 11.89 11.36 10.44     ~ 257 3
17 NGC 3923 GiG 11 51 01.783 -28 48 22.36 11.41 10.59 9.80 8.88   ~ 405 1
18 NGC 4125 GiP 12 08 06.017 +65 10 26.88 11.14 10.65 9.72     ~ 401 2
19 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1662 2
20 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1022 1
21 IC 3370 LIN 12 27 37.310 -39 20 16.13   11.99 12.12 10.39   ~ 143 0
22 M 89 LIN 12 35 39.8073444 +12 33 22.830809 11.29 10.73 9.75     ~ 938 2
23 NGC 4767 GiG 12 53 52.954 -39 42 51.67   12.62 11.53 10.90   ~ 82 0
24 NGC 4976 GiG 13 08 37.526 -49 30 23.07   11.05 10.20     ~ 98 1
25 NGC 5018 GiP 13 13 01.000 -19 31 05.87   11.71   10.31   ~ 288 1
26 NGC 5061 GiG 13 18 05.054 -26 50 14.00   11.18 10.41 9.66   ~ 158 0
27 NGC 5077 GiP 13 19 31.66964077 -12 39 25.0754790   13.87 12.85 11.30   ~ 276 0
28 NGC 5322 SyG 13 49 15.24 +60 11 25.8   11.3       ~ 385 2
29 NGC 5557 GiG 14 18 25.708 +36 29 37.28   12.2       ~ 200 0
30 NGC 5576 GiP 14 21 03.691 +03 16 15.78 12.25 11.85 10.96     ~ 307 1
31 NGC 5846 BiC 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 786 1
32 NGC 5982 LIN 15 38 39.778 +59 21 21.21   12.4       ~ 279 0
33 NGC 6411 G 17 35 32.820 +60 48 48.19   13.2       ~ 105 0
34 NGC 7454 GiG 23 01 06.5111755176 +16 23 18.475417783   13.6       ~ 138 0
35 NGC 7507 GiG 23 12 07.595 -28 32 22.70   11.60   9.98   ~ 167 0
36 NGC 7619 GiG 23 20 14.524 +08 12 22.63   12.7       ~ 411 0
37 NGC 7626 rG 23 20 42.524 +08 13 01.43   12.8       ~ 407 1

    Equat.    Gal    SGal    Ecl

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2021.03.04-20:06:31

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