2000A&A...364...26M


Query : 2000A&A...364...26M

2000A&A...364...26M - Astronomy and Astrophysics, volume 364, 26-42 (2000/12-1)

The morphology of Extremely Red Objects.

MORIONDO G., CIMATTI A. and DADDI E.

Abstract (from CDS):

We present a quantitative study of the morphology of 41 Extremely Red Objects (EROs). The analysis is based on deep otical and near-infrared images from the Hubble Space Telescope public archive, and performed by fitting to each galaxy image a PSF-convolved bi-dimensional model brightness distribution. Relying both on the visual inspection of the data and on the results of the fitting procedure, we are able to determine the fraction of irregular and/or interacting EROs, and to identify those that more closely resemble local ellipticals. To the former class, whose members are probably high-redshift dusty starburst, belongs about 15% of the whole sample, whereas the elliptical-like objects are between 50 and 80% of the total. A few galaxies, although characterized by a compact morphology, are best fitted by an exponential distribution, more typical of local spirals. Our data also suggest that irregular EROs are found predominantly in the field, and that - on average - they tend to be characterized by the reddest colors. Finally, we plot the rest-frame Kormendy Relation (µe vs. Re) for a sample of 6 EROs with spectroscopic redshifts (z∼1.3), and estimate its evolution with respect to the local relation.

Abstract Copyright:

Journal keyword(s): galaxies: distances and redshifts - galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: fundamental parameters - galaxies: photometry

Nomenclature: Tables 1, 2: [MCD2000] NN (Nos 1-63).

Simbad objects: 63

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Number of rows : 63
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 [MCD2000] 1 G 03 57 29.99 +01 09 57.2           ~ 1 0
2 [MCD2000] 42 G 03 57 34.40 +01 10 06.5           ~ 1 0
3 LR 14 G 06 50 51.98 +41 30 39.3           ~ 3 0
4 [GMS94] 16 G 06 50 53.65 +41 30 15.6           ~ 3 0
5 EES 237 G 08 48 30.79 +44 53 34.8           ~ 7 0
6 EES 65 GiC 08 48 32.4340 +44 53 34.970   28.4 26.17 24.74   ~ 6 0
7 EES 142 G 08 48 32.97 +44 53 46.6     26.65 24.93   ~ 11 0
8 EES 70 G 08 48 35.97 +44 53 36.0     25.65 23.76   ~ 10 0
9 EES 108 G 08 48 36.16 +44 54 17.2     25.88 23.92   ~ 9 0
10 EES 135 GiC 08 48 36.2330 +44 53 55.420     27.00 24.65   ~ 6 0
11 NVSS J090530+340756 rG 09 05 30.1 +34 07 57   24.0 23.800 23.500   ~ 154 1
12 4C 05.41 rG 10 19 33.4 +05 34 35   20.0       ~ 44 1
13 [MCD2000] 12 G 12 15 45.54 -00 35 11.7           ~ 1 0
14 [MCD2000] 13 G 12 15 46.57 -00 35 02.2           ~ 1 0
15 [MCD2000] 43 G 12 15 46.86 -00 34 45.4           ~ 1 0
16 [MCD2000] 14 G 12 15 47.38 -00 34 45.2           ~ 1 0
17 [MCD2000] 44 G 12 15 47.43 -00 34 38.4           ~ 1 0
18 [LDG2000] R6 G 12 15 48.04 -00 34 35.6           ~ 2 0
19 [MCD2000] 46 G 12 15 48.13 -00 34 51.9           ~ 1 0
20 [MCD2000] 47 G 12 15 50.88 -00 34 00.7           ~ 1 0
21 [LDG2000] R7 G 12 15 50.9 -00 34 32           ~ 2 0
22 [MCD2000] 16 G 12 15 51.41 -00 34 31.4           ~ 1 0
23 [MCD2000] 48 G 12 15 51.56 -00 34 13.8           ~ 1 0
24 [MCD2000] 49 G 12 15 51.86 -00 34 20.6           ~ 1 0
25 [MCD2000] 50 G 12 15 51.87 -00 34 54.1           ~ 1 0
26 [MCD2000] 18 G 12 15 52.17 -00 35 04.5           ~ 1 0
27 [LDG2000] R10 G 12 15 52.2 -00 34 00           ~ 2 0
28 [MCD2000] 17 G 12 15 53.10 -00 34 43.8           ~ 1 0
29 [CSH96] SSA 13 144 G 13 12 03.89 +42 44 40.1           ~ 2 0
30 [CSH96] SSA 13 143 G 13 12 03.93 +42 44 45.3           ~ 2 0
31 [MCD2000] 23 G 13 12 13.10 +42 44 41.5           ~ 1 0
32 [CSH96] SSA 13 79 G 13 12 13.70 +42 44 16.7           ~ 3 0
33 [CSH96] SSA 13 77 G 13 12 14.1 +42 43 56           ~ 4 0
34 [CGH94] SSA 13 K10 G 13 12 14.49 +42 45 15.0           ~ 2 0
35 [MCD2000] 27 G 13 12 15.91 +42 44 43.0           ~ 1 0
36 [CGH94] SSA 13 K8 G 13 12 16.74 +42 45 08.7           ~ 3 0
37 [MCD2000] 62 G 13 12 17.58 +42 45 04.9           ~ 1 0
38 [MCD2000] 61 G 13 12 19.36 +42 45 09.0           ~ 1 0
39 [CSH96] SSA 13 138 G 13 12 24.09 +42 43 56.9           ~ 2 0
40 [DGI99] J164457+4626.0 G 16 44 57.0 +46 26 02           ~ 11 0
41 SDSS J164501.07+462615.4 QSO 16 45 01.0720675632 +46 26 15.457356384           ~ 140 0
42 [CDD99] J202759-2140.8 G 20 27 59.43 -21 40 48.9           ~ 3 0
43 [CDD99] J202800-2140.9 G 20 28 00.12 -21 40 57.4           ~ 3 0
44 [KC97] 14 G 21 07 13.07 +23 31 19.6     26.35     ~ 2 0
45 [KC97] 16 G 21 07 13.18 +23 32 12.5     26.35     ~ 2 0
46 [KC97] 35 G 21 07 13.95 +23 32 08.0     26.35     ~ 2 0
47 [SMC2008] 4C 23.56 ER1 G 21 07 15.29 +23 31 20.2     26.35     ~ 5 0
48 [KC97] 70 G 21 07 15.46 +23 31 37.8     26.35     ~ 4 0
49 [KC97] 86 G 21 07 15.99 +23 31 12.7     26.35     ~ 2 0
50 [KC97] 92 G 21 07 16.09 +23 31 23.1     26.35     ~ 2 0
51 [KC97] 98 G 21 07 16.27 +23 32 04.3     26.35     ~ 2 0
52 [KC97] 105 G 21 07 16.48 +23 31 45.9     26.35     ~ 2 0
53 [KC97] 102 * 21 07 16.53 +23 31 12.7     26.32     ~ 2 0
54 [DBE2005] SSA22 2260 G 22 17 32.92 +00 14 47.7   25.9 24.12   22.99 ~ 8 0
55 [MCD2000] 63 G 22 17 33.06 +00 14 59.8           ~ 2 0
56 [CSH96] SSA 22 101 IR 22 17 33.19 +00 14 27.3   25.3       ~ 3 0
57 [GSI2003] 004 G 22 17 33.41 +00 15 04.1           ~ 3 0
58 [MCD2000] 36 G 22 17 33.75 +00 15 29.8           ~ 2 0
59 [CSH96] SSA 22 37 * 22 17 40.65 +00 15 47.8           ~ 2 0
60 SB-NI 0647-0899 G 22 32 50.69 -60 38 30.3           ~ 5 0
61 EIS-DEEP HDFS-3 J 1 413 G 22 32 51.0531 -60 39 09.597           ~ 5 0
62 SB-NI 0440-0353 G 22 32 52.82 -60 39 11.2           ~ 3 0
63 EIS-DEEP HDFS-3 Ks 1 1510 G 22 32 55.4096 -60 38 32.280           ~ 5 0

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2022.05.25-15:33:08

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