2006MNRAS.369.1375T

Query : 2006MNRAS.369.1375T

2006MNRAS.369.1375T - Mon. Not. R. Astron. Soc., 369, 1375-1391 (2006/July-1)

Dwarf galaxies in the dynamically evolved NGC 1407 Group.

TRENTHAM N., TULLY R.B. and MAHDAVI A.

Abstract (from CDS):

The NGC 1407 Group stands out among nearby structures by its properties that suggest it is massive and evolved. It shares properties with entities that have been called fossil groups: the 1.4m differential between the dominant elliptical galaxy and the second brightest galaxy comes close to satisfying the definition that has been used to define the fossil class. There are few intermediate-luminosity galaxies, but a large number of dwarfs in the group. We estimate there are 250 group members to the depth of our survey. The slope of the faint end of the luminosity function (reaching MR = -12) is α = -1.35. Velocities for 35 galaxies demonstrate that this group with one dominant galaxy has a mass of 7x1013M☉and M/LR = 340M☉/L☉. Two galaxies in close proximity to NGC 1407 have very large blueshifts. The most notable is the second brightest galaxy, NGC 1400, with a velocity of -1072 km/s with respect to the group mean. We report the detection of X-ray emission from this galaxy and from the group.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): galaxies: clusters: individual: NGC 1407 Group - galaxies: luminosity function, mass function - galaxies: photometry

VizieR on-line data: <Available at CDS (J/MNRAS/369/1375): table2.dat>

Nomenclature: Table 2: [TTM2006] NNN (Nos 1-268).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 27

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Number of rows : 27
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 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2236 2
2 NAME NGC 1023 Group GrG 02 39 37.9 +39 20 51           ~ 81 0
3 NAME NGC 1209 Group GrG 03 02 05.9 -15 49 14           ~ 23 0
4 NBGG 51-06 GrG 03 06 29.0 -22 38 10           ~ 3 0
5 NAME NGC 1255 Group GrG 03 11 40.9 -25 53 13           ~ 10 0
6 NGC 1332 GiP 03 26 17.321 -21 20 07.33   11.45   9.84   ~ 378 0
7 NAME NGC 1400 Group GrG 03 32 16.00 -18 33 54.0           ~ 75 0
8 NGC 1367 EmG 03 35 01.3451198496 -24 55 59.504904516   11.48   9.98 11.1 ~ 209 0
9 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
10 NGC 1395 SyG 03 38 29.789 -23 01 39.69   10.71   8.99   ~ 289 0
11 NAME Eridanus ClG GrG 03 38 32.00 -22 18 51.0           ~ 200 0
12 NGC 1398 GiG 03 38 52.130 -26 20 16.22   10.37   8.90 10.1 ~ 250 0
13 NGC 1394 GiG 03 39 06.9236093544 -18 17 32.446449996 14.28 13.66 12.81 12.36   ~ 38 1
14 NGC 1400 EmG 03 39 30.851 -18 41 17.25 12.48 12.01 10.96 10.45   ~ 309 1
15 LEDA 74845 LSB 03 39 41.5 -18 40 01           ~ 7 0
16 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
17 LEDA 74880 LSB 03 40 33.73 -18 39 03.5   16.8       ~ 10 0
18 LEDA 74920 LSB 03 41 46.62 -17 44 21.2   17.32       ~ 9 0
19 NBGG 51-11 GrG 03 42 29.4 -13 29 18           ~ 3 0
20 NAME M 96 Group GrG 10 46 45 +11 49.1           ~ 330 0
21 NAME Coma I Group GrG 12 22 19.4 +29 53 47           ~ 112 0
22 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
23 NAME NGC 5846 Group GrG 15 05 47.0 +01 34 25           ~ 165 0
24 NGC 5846 rG 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 891 2
25 Z 21-13 GiG 15 08 05.654 +01 39 05.91   15.6   14.22   ~ 20 0
26 NAME Ursa Major Cluster ClG 15 08.8 +67 07           ~ 424 1
27 NGC 6482 GiG 17 51 48.8339247888 +23 04 18.889271112 12.71 12.35 11.45     ~ 220 1

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