2010ApJ...709..377P

Query : 2010ApJ...709..377P

2010ApJ...709..377P - Astrophys. J., 709, 377-385 (2010/January-3)

The globular cluster system of the Virgo giant elliptical galaxy NGC 4636. I. Subaru/Faint Object Camera and Spectrograph spectroscopy and database.

PARK H.S., LEE M.G., HWANG H.S., ARIMOTO N., TAMURA N. and ONODERA M.

Abstract (from CDS):

We present a spectroscopic study of the globular clusters (GCs) in the giant elliptical galaxy NGC 4636 in the Virgo Cluster. We selected target GC candidates using the Washington photometry derived from the deep CCD images taken at the KPNO 4 m Telescope. Then we obtained the spectra of 164 target objects in the field of NGC 4636 using the Multi-Object Spectroscopy mode of Faint Object Camera and Spectrograph on the Subaru 8.2 m Telescope. We have measured the velocities for 122 objects: 105 GCs in NGC 4636, the nucleus of NGC 4636, 11 foreground stars, two background galaxies, and three probable intracluster GCs in the Virgo Cluster. The GCs in NGC 4636 are located in the projected galactocentric radius within 10' (corresponding to 43 kpc). The measured velocities for the GCs range from ∼300 km/s to ∼1600 km/s, with a mean value of 932+25–22 km/s, which is in good agreement with the velocity for the nucleus of NGC 4636, 928±45 km/s. The velocity dispersion of the GCs in NGC 4636 is derived to be 231+15–17 km/s, and the velocity dispersion of the blue GCs is slightly larger than that of the red GCs. Combining our results with data in the literature, we produce a master catalog of radial velocities for 238 GCs in NGC 4636. The velocity dispersion of the GCs in the master catalog is found to be 225+12–9 km.s for the entire sample, 251+18–12 km/s for 108 blue GCs, and 205+11–13 km/s for 130 red GCs.

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Journal keyword(s): galaxies: clusters: general - galaxies: individual: NGC 4636 - galaxies: kinematics and dynamics - galaxies: star clusters: general

VizieR on-line data: <Available at CDS (J/ApJ/709/377): table3.dat>

Nomenclature: Table 3: [PLH2010] NNNNN N=119 among (Nos 82-10210), [PLH2010] gN (Nos g1-g2).

Simbad objects: 136

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Number of rows : 136
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 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
2 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 2029 0
3 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
4 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
5 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
6 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
7 [PLH2010] 2386 GlC 12 42 24.13 +02 45 56.5           ~ 2 0
8 [PLH2010] 10210 GlC 12 42 24.38 +02 45 26.9           ~ 1 0
9 [PLH2010] 1318 GlC 12 42 25.55 +02 45 16.1           ~ 2 0
10 [PLH2010] 1053 GlC 12 42 25.99 +02 45 03.1           ~ 2 0
11 [DSR2005] J124226.23+024357.8 GlC 12 42 26.23 +02 43 57.8       21.29   ~ 3 0
12 [PLH2010] 148 GlC 12 42 28.2376483464 +02 43 24.761380368       19.88   ~ 4 0
13 [DSR2005] J124228.85+024349.8 GlC 12 42 28.85 +02 43 49.8       21.36   ~ 3 0
14 [PLH2010] 361 GlC 12 42 30.8461154160 +02 44 41.203845528       20.69   ~ 4 0
15 [PLH2010] 836 GlC 12 42 31.61 +02 46 22.1       21.58   ~ 3 0
16 [PLH2010] 480 GlC 12 42 32.14 +02 43 16.9       20.98   ~ 3 0
17 [PLH2010] 551 GlC 12 42 33.14 +02 42 48.1           ~ 1 0
18 [PLH2010] 945 GlC 12 42 33.20 +02 42 33.0           ~ 2 0
19 [PLH2010] 1348 * 12 42 33.86 +02 45 39.7           ~ 1 0
20 [PLH2010] 985 GlC 12 42 33.87 +02 41 57.7           ~ 2 0
21 [SRD2006] 3.1 3 GlC 12 42 33.92 +02 42 55.7       21.21   ~ 3 0
22 [PLH2010] 285 GlC 12 42 34.5959987088 +02 46 47.470279260       20.51   ~ 4 0
23 [PLH2010] 279 GlC 12 42 34.8130725816 +02 46 59.331484704       20.46   ~ 4 0
24 [DSR2005] J124235.06+024431.4 GlC 12 42 35.06 +02 44 31.4       21.83   ~ 3 0
25 [PLH2010] 204 * 12 42 35.2442313120 +02 41 45.510541656           ~ 2 0
26 2XMM J124236.3+024637 GlC 12 42 36.3756099360 +02 46 37.236310212       19.94   ~ 5 0
27 [PLH2010] 152 GlC 12 42 36.8794873296 +02 45 26.298304488       19.86   ~ 4 0
28 [PLH2010] 1566 GlC 12 42 37.11 +02 47 09.5           ~ 2 0
29 [PLH2010] 1268 GlC 12 42 37.64 +02 41 33.1           ~ 1 0
30 [PLH2010] g1 G 12 42 38.39 +02 46 10.2           ~ 1 0
31 [PLH2010] 145 GlC 12 42 38.5903262688 +02 43 58.182700944       19.81   ~ 3 0
32 [DSR2005] J124238.70+024558.3 GlC 12 42 38.70 +02 45 58.3       21.70   ~ 3 0
33 [PLH2010] 10031 GlC 12 42 39.99 +02 45 16.2           ~ 2 0
34 [PLH2010] 182 GlC 12 42 40.81 +02 39 55.4           ~ 2 0
35 [PLH2010] 443 GlC 12 42 42.3966903168 +02 41 26.106542988       20.75   ~ 4 0
36 [PLH2010] 1598 GlC 12 42 43.03 +02 45 07.9           ~ 2 0
37 [PLH2010] 369 GlC 12 42 43.1098688088 +02 42 49.741136460           ~ 3 0
38 [PLH2010] 321 GlC 12 42 43.1552672400 +02 41 46.468428108       20.52   ~ 4 0
39 [PLH2010] 194 GlC 12 42 44.3455875432 +02 38 12.744304008       20.16   ~ 4 0
40 [PLH2010] 227 GlC 12 42 44.7149467752 +02 39 04.936530312       20.30   ~ 4 0
41 [PLH2010] 513 GlC 12 42 44.96 +02 43 41.4           ~ 1 0
42 [PLH2010] 1943 GlC 12 42 45.11 +02 44 57.5           ~ 1 0
43 [DSR2005] J124246.04+023915.9 GlC 12 42 46.04 +02 39 15.9       21.32   ~ 3 0
44 [PLH2010] 10005 GlC 12 42 47.07 +02 42 19.3           ~ 2 0
45 [PLH2010] 112 GlC 12 42 48.2332685304 +02 40 10.024763736           ~ 3 0
46 [PLH2010] 429 GlC 12 42 48.29 +02 40 18.1           ~ 2 0
47 [PLH2010] 244 GlC 12 42 49.29 +02 42 09.0           ~ 2 0
48 [PLH2010] 10021 GlC 12 42 49.45 +02 41 38.5           ~ 2 0
49 NGC 4636 LIN 12 42 49.8333280080 +02 41 15.951929028   12.62 11.84     ~ 1156 1
50 [PLH2010] 256 GlC 12 42 49.9059480408 +02 39 21.974445180       20.40   ~ 4 0
51 [PLH2010] 157 GlC 12 42 50.27 +02 43 24.4           ~ 2 0
52 [PLH2010] 393 GlC 12 42 51.02 +02 42 33.4           ~ 2 0
53 [PLH2010] 9995 GlC 12 42 51.02 +02 40 57.6           ~ 2 0
54 [PLH2010] 475 GlC 12 42 51.60 +02 38 22.6           ~ 2 0
55 [PLH2010] 234 GlC 12 42 51.6054236760 +02 39 46.355579496       20.34   ~ 4 0
56 [PLH2010] 627 GlC 12 42 51.95 +02 41 58.5           ~ 1 0
57 [PLH2010] 224 GlC 12 42 52.3136647704 +02 39 39.020795784       20.28   ~ 4 0
58 [SRD2006] 1.1 44 GlC 12 42 53.2832869992 +02 38 43.785638340       19.64   ~ 4 0
59 [PLH2010] 350 GlC 12 42 53.63 +02 43 31.3           ~ 2 0
60 [PLH2010] 928 GlC 12 42 54.15 +02 49 40.3           ~ 1 0
61 [PLH2010] 252 GlC 12 42 54.1850969976 +02 50 39.736811904           ~ 3 0
62 [PLH2010] 427 GlC 12 42 54.41 +02 40 47.8           ~ 2 0
63 [PLH2010] 901 GlC 12 42 54.51 +02 37 13.6           ~ 1 0
64 [PLH2010] 964 GlC 12 42 54.90 +02 36 57.7           ~ 2 0
65 [PLH2010] 115 GlC 12 42 55.29 +02 43 13.2           ~ 2 0
66 [PLH2010] 566 GlC 12 42 55.43 +02 41 43.5           ~ 1 0
67 [PLH2010] 345 GlC 12 42 55.6611799320 +02 38 51.639967464           ~ 3 0
68 [PLH2010] 1216 * 12 42 55.68 +02 37 48.4           ~ 2 0
69 [PLH2010] 501 GlC 12 42 55.70 +02 49 49.7           ~ 3 0
70 [PLH2010] 107 GlC 12 42 56.1920013504 +02 47 50.148882276       19.54   ~ 4 0
71 [PLH2010] 437 GlC 12 42 56.31 +02 38 41.0           ~ 2 0
72 [PLH2010] 184 * 12 42 56.94 +02 51 12.6           ~ 1 0
73 [PLH2010] 131 GlC 12 42 57.4989601224 +02 38 30.055637148           ~ 3 0
74 [PLH2010] 671 GlC 12 42 58.04 +02 44 18.5           ~ 2 0
75 [PLH2010] 592 GlC 12 42 58.89 +02 39 03.4           ~ 2 0
76 [PLH2010] 600 GlC 12 42 59.42 +02 37 27.1           ~ 2 0
77 [PLH2010] 445 GlC 12 42 59.52 +02 40 13.4           ~ 2 0
78 [PLH2010] 117 GlC 12 42 59.82 +02 43 01.9           ~ 2 0
79 [PLH2010] 183 GlC 12 43 00.1640239800 +02 35 32.142941628           ~ 3 0
80 [PLH2010] 1155 GlC 12 43 00.22 +02 40 25.6           ~ 1 0
81 [PLH2010] 1293 GlC 12 43 00.61 +02 41 39.8           ~ 2 0
82 [DSR2005] J124301.02+024919.9 GlC 12 43 01.02 +02 49 19.9       21.39   ~ 3 0
83 [PLH2010] 565 * 12 43 01.06 +02 50 22.5           ~ 1 0
84 [PLH2010] 1310 GlC 12 43 01.39 +02 38 19.6           ~ 1 0
85 [PLH2010] 1168 GlC 12 43 01.73 +02 44 55.6           ~ 2 0
86 [PLH2010] 1275 GlC 12 43 01.93 +02 47 10.0           ~ 2 0
87 [PLH2010] 1055 GlC 12 43 02.26 +02 40 38.1           ~ 2 0
88 [PLH2010] g2 G 12 43 02.44 +02 50 11.4           ~ 1 0
89 [PLH2010] 797 GlC 12 43 02.62 +02 36 08.9           ~ 2 0
90 [PLH2010] 365 GlC 12 43 02.6966414880 +02 46 37.331051592       20.73   ~ 4 0
91 [PLH2010] 311 GlC 12 43 02.83 +02 43 28.9           ~ 2 0
92 [PLH2010] 230 GlC 12 43 03.16 +02 50 52.7           ~ 2 0
93 [PLH2010] 799 GlC 12 43 03.17 +02 49 57.8           ~ 1 0
94 [PLH2010] 1006 GlC 12 43 03.18 +02 42 50.9           ~ 1 0
95 [PLH2010] 448 GlC 12 43 03.49 +02 47 27.1       20.99   ~ 4 0
96 [PLH2010] 708 * 12 43 03.54 +02 41 17.4           ~ 1 0
97 [PLH2010] 199 GlC 12 43 03.7147983456 +02 37 37.098176736           ~ 3 0
98 [PLH2010] 231 GlC 12 43 03.9824133312 +02 44 26.859863436           ~ 3 0
99 [PLH2010] 512 GlC 12 43 04.12 +02 40 34.1           ~ 2 0
100 [PLH2010] 304 GlC 12 43 04.5543233712 +02 47 17.432888028       20.59   ~ 4 0
101 [PLH2010] 150 GlC 12 43 05.4677577024 +02 45 48.755447388       19.91   ~ 4 0
102 [PLH2010] 118 GlC 12 43 06.5592614280 +02 39 53.308502532       19.76   ~ 4 0
103 [PLH2010] 1613 GlC 12 43 06.56 +02 40 59.1       22.24   ~ 3 0
104 [PLH2010] 189 GlC 12 43 06.7899318336 +02 42 43.867886004       20.13   ~ 4 0
105 [PLH2010] 839 GlC 12 43 06.94 +02 40 44.7           ~ 1 0
106 [PLH2010] 1198 * 12 43 07.00 +02 35 39.2           ~ 2 0
107 [PLH2010] 634 GlC 12 43 07.06 +02 40 28.5           ~ 2 0
108 [PLH2010] 225 GlC 12 43 07.4547465720 +02 43 45.548188716       20.28   ~ 4 0
109 [PLH2010] 422 GlC 12 43 07.4818278720 +02 46 10.279063128           ~ 3 0
110 [PLH2010] 386 GlC 12 43 07.61 +02 48 58.5           ~ 2 0
111 [PLH2010] 680 GlC 12 43 08.11 +02 37 14.4           ~ 3 0
112 [PLH2010] 323 GlC 12 43 08.2682643864 +02 41 25.352750184       20.64   ~ 4 0
113 [PLH2010] 82 GlC 12 43 08.3498663040 +02 46 50.019897000       19.33   ~ 4 0
114 [PLH2010] 164 GlC 12 43 08.8898905512 +02 41 55.016746944       19.99   ~ 4 0
115 [PLH2010] 158 GlC 12 43 09.0437128584 +02 42 06.081128748       20.02   ~ 4 0
116 [PLH2010] 138 GlC 12 43 09.2864502696 +02 39 33.141479328       19.85   ~ 4 0
117 [PLH2010] 90 * 12 43 09.34 +02 42 21.4           ~ 1 0
118 [PLH2010] 1121 GlC 12 43 09.78 +02 36 57.8       21.78   ~ 3 0
119 [PLH2010] 1290 GlC 12 43 09.97 +02 39 43.2           ~ 2 0
120 [PLH2010] 85 * 12 43 10.1397624696 +02 38 33.626977296       19.45   ~ 3 0
121 [PLH2010] 651 GlC 12 43 11.41 +02 48 35.0           ~ 1 0
122 [PLH2010] 303 GlC 12 43 11.4322844544 +02 40 01.241153040       20.59   ~ 4 0
123 [PLH2010] 1986 GlC 12 43 12.40 +02 44 17.4           ~ 1 0
124 [PLH2010] 1192 Gl? 12 43 12.88 +02 45 21.1           ~ 1 0
125 [PLH2010] 210 GlC 12 43 15.37 +02 38 52.4           ~ 3 0
126 [PLH2010] 644 Gl? 12 43 15.71 +02 45 07.0           ~ 1 0
127 [PLH2010] 384 * 12 43 15.7943078976 +02 41 12.370030152       20.85   ~ 3 0
128 [PLH2010] 108 GlC 12 43 17.02 +02 44 42.5           ~ 2 0
129 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
130 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
131 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
132 BD+33 2642 pA* 15 51 59.8854348048 +32 56 54.329485272 9.806 10.61 10.73 10.884 10.961 O7p 456 0
133 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
134 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
135 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
136 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1

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