2014MNRAS.439.2420B


Query : 2014MNRAS.439.2420B

2014MNRAS.439.2420B - Mon. Not. R. Astron. Soc., 439, 2420-2431 (2014/April-2)

The SLUGGS Survey: new evidence for a tidal interaction between the early-type galaxies NGC 4365 and NGC 4342.

BLOM C., FORBES D.A., FOSTER C., ROMANOWSKY A.J. and BRODIE J.P.

Abstract (from CDS):

We present new imaging and spectral data for globular clusters (GCs) around NGC 4365 and NGC 4342. NGC 4342 is a compact, X-ray luminous S0 galaxy with an unusually massive central black hole. NGC 4365 is another atypical galaxy that dominates the W' group of which NGC 4342 is a member. Using imaging from the MegaCam instrument on the Canada-France-Hawaii Telescope we identify a stream of GCs between the two galaxies and extending beyond NGC 4342. The stream of GCs is spatially coincident with a stream/plume of stars previously identified. We find that the photometric colours of the stream GCs match those associated with NGC 4342, and that the recession velocity of the combined GCs from the stream and NGC 4342 matches the recession velocity for NGC 4342 itself. These results suggest that NGC 4342 is being stripped of GCs (and stars) as it undergoes a tidal interaction with the nearby elliptical galaxy NGC 4365. We compare NGC 4342 to two well-known, tidally stripped galaxies (M32 and NGC 4486B) and find various similarities. We also discuss previous claims by Bogdán et al. that NGC 4342 cannot be undergoing significant tidal stripping because it hosts a large dark matter halo.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): galaxies: elliptical and lenticular, cD - galaxies: evolution - galaxies: individual: NGC 4365 - galaxies: individual: NGC 4342 - galaxies: kinematics and dynamics - galaxies: star clusters: general

Nomenclature: Table 1: [BFF2014] NN (Nos 1-31).

Simbad objects: 44

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Number of rows : 44
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 M 110 GiG 00 40 22.0544552438 +41 41 07.496294862   8.92 8.07     ~ 1239 1
2 M 32 IG 00 42 41.825 +40 51 54.61 9.51 9.03 8.08     ~ 2049 2
3 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11445 1
4 NGC 4324 GiG 12 23 06.1753301577 +05 15 01.231049483   12.5       ~ 185 0
5 [BFF2014] 15 GlC 12 23 09.144 +07 01 50.77           ~ 1 0
6 [BFF2014] 9 GlC 12 23 09.456 +06 56 39.31           ~ 1 0
7 [BFF2014] 17 GlC 12 23 20.520 +07 04 55.05           ~ 1 0
8 [BFF2014] 11 GlC 12 23 23.520 +07 00 52.80           ~ 1 0
9 NGC 4334 rG 12 23 23.876 +07 28 25.70   14.9       ~ 62 0
10 [BFF2014] 10 GlC 12 23 31.800 +06 59 20.05           ~ 1 0
11 [BFF2014] 13 GlC 12 23 32.784 +07 02 25.41           ~ 1 0
12 [BFF2014] 18 GlC 12 23 32.952 +07 08 50.39           ~ 1 0
13 [BFF2014] 16 GlC 12 23 34.392 +07 04 59.68           ~ 1 0
14 NGC 4343 AGN 12 23 38.69184 +06 57 14.7024   13.5       M0e 160 1
15 NGC 4342 GiP 12 23 39.024 +07 03 14.17   13.0       ~ 290 0
16 [BFF2014] 12 GlC 12 23 40.440 +07 01 08.78           ~ 1 0
17 [BFF2014] 2 GlC 12 23 41.112 +07 02 06.45           ~ 1 0
18 [BFF2014] 1 GlC 12 23 45.624 +07 01 53.25           ~ 1 0
19 [BFF2014] 14 GlC 12 23 47.592 +07 03 50.10           ~ 1 0
20 [BFF2014] 7 GlC 12 23 48.288 +07 05 57.02           ~ 1 0
21 IC 3259 GiP 12 23 48.497 +07 11 07.17   14.7       ~ 105 0
22 [BFF2014] 4 GlC 12 23 49.392 +07 02 45.48           ~ 1 0
23 [BFF2014] 3 GlC 12 23 50.352 +07 02 45.47           ~ 1 0
24 NGC 4341 GiP 12 23 53.471 +07 06 26.16   14.5       ~ 61 0
25 [BFF2014] 6 GlC 12 23 54.072 +07 04 57.01           ~ 1 0
26 [BFF2014] 5 GlC 12 23 54.504 +07 02 54.96           ~ 1 0
27 [PFR2013] NGC4365 GC38 GlC 12 24 03.941 +07 09 07.88           ~ 3 0
28 IC 3267 H2G 12 24 05.5267219785 +07 02 28.494084717   14.6       ~ 87 0
29 [PFR2013] NGC4365 GC203 GlC 12 24 13.517 +07 15 06.23           ~ 4 0
30 [PFR2013] NGC4365 GC41 GlC 12 24 13.759 +07 10 55.49           ~ 4 0
31 [PFR2013] NGC4365 GC42 GlC 12 24 15.360 +07 13 27.70           ~ 4 0
32 [PFR2013] NGC4365 GC8 GlC 12 24 21.648 +07 14 36.42           ~ 3 0
33 [BSD2005] 3 GlC 12 24 23.712 +07 17 35.41     21.7     ~ 6 0
34 [JPB2009] 186.1014215+7.3259543 GlC 12 24 24.262 +07 19 33.53     22.41   21.50 ~ 6 0
35 [H2009] NGC 4365 59 GlC 12 24 26.594 +07 18 56.20     21.90   20.89 ~ 6 0
36 [BSD2005] 13 GlC 12 24 27.362 +07 19 43.28     22.05   20.99 ~ 9 0
37 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 809 0
38 [JPB2009] 186.1206241+7.3001025 GlC 12 24 28.872 +07 18 00.47           ~ 5 0
39 [PFR2013] NGC4365 GC194 GlC 12 24 32.179 +07 22 07.03           ~ 3 0
40 [PFR2013] NGC4365 GC222 GlC 12 24 33.6740075514 +07 10 32.635809206           ~ 4 0
41 [PFR2013] NGC4365 GC226 GlC 12 24 39.278 +07 08 44.45           ~ 4 0
42 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 6084 0
43 UGCA 283 GiG 12 30 31.985 +12 29 24.85   14.5       ~ 390 0
44 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6475 3

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2021.09.21-15:37:17

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