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Query : 2009MNRAS.398..722T |
2009MNRAS.398..722T - Mon. Not. R. Astron. Soc., 398, 722-734 (2009/September-2)
Dwarf galaxies in the NGC 1023 group.
TRENTHAM N. and TULLY R.B.
Abstract (from CDS):
Through our imaging surveys, a picture has emerged of the distributions and types of dwarf galaxies over a wide range of environments. Of greatest interest is a correlation between dwarf galaxy population and parent halo mass. The number of dwarfs per unit mass is constant over the range of halo masses 1012-1014M☉. There are small but significant variations in luminosity functions with location. These variations can be attributed to differences in the bright and intermediate luminosity populations. In less evolved regions marked by substantial populations of spirals, galaxies with intermediate luminosity are relatively common, and such regions have low mass-to-light ratios. In more evolved regions where spirals are absent, there is relative depletion at intermediate luminosities and, overall in such places, mass-to-light ratios are high. Statistics are still poor for regions outside of massive haloes but the faint-end slope of the luminosity function is comparable in the field with what is found in the massive haloes. Everywhere that has been studied, the faint-end slope is unequivocally shallower than the slope at low masses anticipated by hierarchical clustering theory. Though the slope is shallow, there is no hint of a cut-off down to an observational limit of MR = -10.
Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS
Journal keyword(s): galaxies: clusters: individual: NGC 1023 Group - galaxies: luminosity function, mass function - galaxies: photometry
Nomenclature: Table 2: [TT2009] NN (Nos 1-65).
CDS comments: In table 2 coordinate error for [TT2009] 17: 2 25 00.2 +36 02 16 instead 2 25 00.2 +39 02 16.
Simbad objects: 94
Number of rows : 94 |
N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | M 32 | GiG | 00 42 41.82480 | +40 51 54.6120 | 9.51 | 9.03 | 8.08 | ~ | 2154 | 2 | ||
2 | M 31 | AGN | 00 42 44.330 | +41 16 07.50 | 4.86 | 4.36 | 3.44 | ~ | 12651 | 1 | ||
3 | ACO 262 | ClG | 01 52 50.4 | +36 08 46 | ~ | 699 | 1 | |||||
4 | [TT2009] 56 | G | 02 20 02.9 | +34 26 39 | 20.21 | ~ | 1 | 0 | ||||
5 | [TT2009] 45 | G | 02 20 50.9 | +36 27 39 | 19.36 | ~ | 1 | 0 | ||||
6 | GSC2.3 NCIA018969 | G | 02 21 12.1 | +42 21 51 | 17.97 | 16.85 | ~ | 9 | 0 | |||
7 | UGC 1807 | AG? | 02 21 13.40 | +42 45 45.7 | 11.26 | 14.38 | ~ | 42 | 0 | |||
8 | AGC 124811 | G | 02 21 35.5 | +33 22 37 | 19.51 | ~ | 3 | 0 | ||||
9 | NGC 891 | H2G | 02 22 32.907 | +42 20 53.95 | 11.08 | 10.81 | 9.93 | 7.86 | ~ | 1667 | 2 | |
10 | [TT2009] 30 | G | 02 22 55.2 | +42 42 42 | 18.9 | 17.98 | ~ | 8 | 0 | |||
11 | [TT2009] 46 | G | 02 24 02.4 | +33 40 47 | 19.45 | ~ | 1 | 0 | ||||
12 | UGC 1865 | AG? | 02 25 00.22 | +36 02 16.0 | 16.5 | 14.78 | ~ | 46 | 0 | |||
13 | ACO 347 | ClG | 02 25 50 | +41 52.5 | ~ | 148 | 1 | |||||
14 | NGC 925 | H2G | 02 27 16.913 | +33 34 43.97 | 10.69 | 10.12 | 9.55 | ~ | 783 | 1 | ||
15 | [TT2009] 40 | G | 02 27 20.4 | +33 57 22 | 19.19 | ~ | 1 | 0 | ||||
16 | [TT2009] 28 | G | 02 27 35.8 | +38 53 46 | 17.29 | ~ | 1 | 0 | ||||
17 | UGC 1924 | GiG | 02 27 49.7635 | +31 43 30.264 | 15.4 | 14.2 | ~ | 40 | 0 | |||
18 | [TT2009] 47 | G | 02 28 59.3 | +37 01 45 | 19.44 | ~ | 1 | 0 | ||||
19 | [TT2009] 57 | G | 02 29 05.8 | +37 39 05 | 20.14 | ~ | 1 | 0 | ||||
20 | [TT2009] 55 | G | 02 29 33.3 | +41 57 08 | 20.11 | ~ | 1 | 0 | ||||
21 | NGC 949 | GiG | 02 30 48.6343005912 | +37 08 11.754932532 | 12.667 | 11.975 | 11.490 | 10.790 | ~ | 148 | 0 | |
22 | [TT2009] 27 | G | 02 31 29.3 | +40 37 12 | 17.25 | ~ | 1 | 0 | ||||
23 | [TT2009] 63 | G | 02 31 29.5 | +40 27 34 | 21.10 | ~ | 1 | 0 | ||||
24 | NGC 959 | GiG | 02 32 23.9241457416 | +35 29 40.455279636 | 12.87 | 12.95 | 12.38 | 11.79 | ~ | 116 | 1 | |
25 | [TT2009] 64 | G | 02 32 39.9 | +41 42 21 | 21.19 | ~ | 1 | 0 | ||||
26 | UGC 2014 | AG? | 02 32 54.00 | +38 40 50.1 | 17 | 14.50 | ~ | 49 | 0 | |||
27 | NAME PER SUPERCL | SCG | 02 33.2 | +41 37 | ~ | 413 | 1 | |||||
28 | UGC 2023 | GiG | 02 33 18.20 | +33 29 28.0 | 14.9 | 13.59 | ~ | 89 | 0 | |||
29 | [TT2009] 51 | G | 02 33 23.5 | +34 17 05 | 19.58 | ~ | 1 | 0 | ||||
30 | UGC 2034 | GiG | 02 33 42.96 | +40 31 41.2 | 15.0 | 13.45 | ~ | 71 | 0 | |||
31 | [TT2009] 31 | G | 02 33 47.5 | +40 31 07 | 18.18 | ~ | 1 | 0 | ||||
32 | [TT2009] 58 | G | 02 34 15.6 | +32 52 22 | 20.33 | ~ | 1 | 0 | ||||
33 | [TT2009] 60 | G | 02 34 15.8 | +32 52 22 | 20.75 | ~ | 1 | 0 | ||||
34 | [TT2009] 52 | G | 02 34 54.0 | +33 04 47 | 19.77 | ~ | 1 | 0 | ||||
35 | [TT2009] 39 | G | 02 35 04.3 | +33 03 12 | 19.22 | ~ | 1 | 0 | ||||
36 | [TT2009] 62 | G | 02 36 23.3 | +40 40 12 | 21.11 | ~ | 1 | 0 | ||||
37 | IC 239 | GiG | 02 36 27.8262034392 | +38 58 09.083372052 | 12.1 | 12.75 | ~ | 111 | 0 | |||
38 | LEDA 2802360 | G | 02 37 18.6 | +38 56 00 | 14.92 | ~ | 3 | 0 | ||||
39 | [HKK2009] dJ0237+4136 | LSB | 02 37 18.8 | +41 36 07 | 18.43 | ~ | 2 | 0 | ||||
40 | [TT2009] 29 | G | 02 37 27.0 | +39 22 46 | 17.65 | ~ | 1 | 0 | ||||
41 | [TT2009] 44 | G | 02 37 30.9 | +39 47 45 | 19.38 | ~ | 1 | 0 | ||||
42 | [TT2009] 35 | G | 02 37 31.1 | +39 37 48 | 18.45 | ~ | 1 | 0 | ||||
43 | [TT2009] 24 | G | 02 37 36.0 | +34 46 06 | 16.72 | ~ | 1 | 0 | ||||
44 | [TT2009] 33 | G | 02 37 39.4 | +38 36 02 | 18.39 | ~ | 1 | 0 | ||||
45 | [TT2009] 41 | G | 02 38 17.1 | +40 53 53 | 19.24 | ~ | 1 | 0 | ||||
46 | [TT2009] 53 | G | 02 38 33.4 | +37 05 53 | 19.72 | ~ | 1 | 0 | ||||
47 | [TT2009] 59 | G | 02 38 39.4 | +40 15 04 | 20.44 | ~ | 1 | 0 | ||||
48 | UGC 2126 | LSB | 02 38 47.1100329768 | +40 41 55.158034452 | 15.4 | 13.98 | ~ | 13 | 0 | |||
49 | NGC 1003 | GiG | 02 39 16.893 | +40 52 20.25 | 12.1 | 10.83 | ~ | 188 | 0 | |||
50 | [TT2002] NGC 1023 9 | LSB | 02 39 21.0 | +39 26 17 | 18.90 | ~ | 2 | 0 | ||||
51 | 2MASX J02392281+4034032 | G | 02 39 22.8007661928 | +40 34 03.679283964 | ~ | 7 | 0 | |||||
52 | NAME NGC 1023 Group | GrG | 02 39 37.9 | +39 20 51 | ~ | 81 | 0 | |||||
53 | [TT2002] NGC 1023 23 | GiG | 02 39 59.5 | +38 24 07 | 21.05 | ~ | 2 | 0 | ||||
54 | MCG+06-06-072 | G | 02 40 14.1653155104 | +38 20 50.165957364 | 15.6 | ~ | 9 | 0 | ||||
55 | GALEXASC J024016.48+373731.1 | GiG | 02 40 17.00 | +37 37 34.0 | 16.66 | ~ | 3 | 0 | ||||
56 | NGC 1023 | AG? | 02 40 24.0133575864 | +39 03 47.663392896 | 10.91 | 10.35 | 9.35 | 7.83 | ~ | 660 | 2 | |
57 | UGC 2157 | GiG | 02 40 25.123 | +38 33 48.02 | 14.9 | 13.99 | ~ | 25 | 0 | |||
58 | [TT2009] 36 | G | 02 40 29.9 | +40 53 37 | 18.78 | ~ | 1 | 0 | ||||
59 | [TT2002] NGC 1023 12 | GiG | 02 40 30.1 | +38 29 39 | 19.52 | ~ | 2 | 0 | ||||
60 | LEDA 10133 | GiG | 02 40 32.99 | +38 54 00.9 | 16.51 | ~ | 15 | 0 | ||||
61 | 2MASXI J0240377+390326 | GiG | 02 40 37.7 | +39 03 29 | 14.52 | ~ | 47 | 1 | ||||
62 | LEDA 10143 | GiG | 02 40 39.59 | +39 22 47.2 | 16.31 | ~ | 11 | 0 | ||||
63 | LEDA 10169 | AG? | 02 41 00.00 | +39 04 19.0 | 16.35 | ~ | 9 | 0 | ||||
64 | UGC 2165 | GiG | 02 41 15.50 | +38 44 36.0 | 16.0 | 13.70 | ~ | 14 | 0 | |||
65 | MATLAS-195 | GiG | 02 41 16.1 | +39 23 48 | 21.37 | ~ | 3 | 0 | ||||
66 | [TT2002] NGC 1023 10 | GiG | 02 41 23.9 | +39 55 46 | 19.25 | ~ | 2 | 0 | ||||
67 | UGC 2172 | AG? | 02 42 10.832 | +43 21 18.38 | 14.6 | 13.6 | ~ | 21 | 0 | |||
68 | [TT2009] 49 | G | 02 42 39.6 | +41 22 45 | 19.58 | ~ | 1 | 0 | ||||
69 | [HKK2009] dJ0243+3759 | LSB | 02 43 02.0 | +37 59 26 | 16.37 | ~ | 2 | 0 | ||||
70 | [TT2009] 43 | G | 02 43 24.5 | +37 44 26 | 19.30 | ~ | 1 | 0 | ||||
71 | NGC 1058 | Sy2 | 02 43 30.0264850248 | +37 20 28.782851784 | 12.29 | 11.75 | 10.85 | ~ | 466 | 0 | ||
72 | [TT2009] 54 | G | 02 43 56.5 | +37 24 26 | 19.79 | ~ | 1 | 0 | ||||
73 | [TT2009] 37 | G | 02 45 09.4 | +38 56 37 | 18.88 | ~ | 1 | 0 | ||||
74 | [TT2009] 26 | G | 02 45 50.0 | +39 57 12 | 17.24 | ~ | 1 | 0 | ||||
75 | [TT2009] 32 | G | 02 46 48.4 | +38 32 53 | 18.22 | ~ | 1 | 0 | ||||
76 | UGC 2254 | AG? | 02 47 21.70 | +37 31 31.0 | 17 | 16 | ~ | 9 | 0 | |||
77 | UGC 2259 | GiP | 02 47 55.4194406880 | +37 32 18.528735876 | 14.3 | 12.8 | ~ | 127 | 0 | |||
78 | LEDA 3096870 | GiC | 02 53 03.9 | +41 42 01 | 17 | ~ | 4 | 0 | ||||
79 | 2A 0251+413 | ClG | 02 54 32.2 | +41 35 10 | ~ | 315 | 1 | |||||
80 | ACO 426 | ClG | 03 19 47.2 | +41 30 47 | ~ | 2258 | 1 | |||||
81 | NAME NGC 1400 Group | GrG | 03 32 16.00 | -18 33 54.0 | ~ | 72 | 0 | |||||
82 | NGC 1407 | GiG | 03 40 11.904 | -18 34 49.36 | 10.64 | 9.67 | 9.13 | ~ | 585 | 1 | ||
83 | NAME M 81-82 Group | GrG | 09 55 | +69.1 | ~ | 717 | 0 | |||||
84 | M 81 | Sy2 | 09 55 33.1726556496 | +69 03 55.062505368 | 7.89 | 6.94 | ~ | 4450 | 3 | |||
85 | NAME Virgo Cluster | ClG | 12 26 32.1 | +12 43 24 | ~ | 6645 | 0 | |||||
86 | NAME LOCAL SUPERCL | SCG | 12 31 | +12.4 | ~ | 519 | 0 | |||||
87 | NGC 5353 | GiP | 13 53 26.6998 | +40 16 58.872 | 11.8 | 10.57 | ~ | 288 | 1 | |||
88 | NGC 5354 | LIN | 13 53 26.7262413240 | +40 18 09.928163700 | 12.3 | 10.64 | ~ | 158 | 0 | |||
89 | HCG 68 | CGG | 13 53 40.9 | +40 19 07 | 12.4 | ~ | 113 | 0 | ||||
90 | NGC 5390 | LIN | 13 55 39.9385716624 | +40 27 42.380606592 | 12.81 | 11.93 | 10.04 | ~ | 350 | 1 | ||
91 | NAME NGC 5846 Group | GrG | 15 05 47.0 | +01 34 25 | ~ | 151 | 0 | |||||
92 | NGC 5846 | BiC | 15 06 29.253 | +01 36 20.29 | 11.9 | 9.74 | ~ | 850 | 1 | |||
93 | NAME Ursa Major Cluster | ClG | 15 08.8 | +67 07 | ~ | 410 | 0 | |||||
94 | NAME Local Group | GrG | ~ | ~ | ~ | 8392 | 0 |
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