2006MNRAS.365.1357D

Query : 2006MNRAS.365.1357D

2006MNRAS.365.1357D - Mon. Not. R. Astron. Soc., 365, 1357-1366 (2006/February-1)

RR Lyrae-based calibration of the Globular Cluster Luminosity Function.

DI CRISCIENZO M., CAPUTO F., MARCONI M. and MUSELLA I.

Abstract (from CDS):

We test whether the peak absolute magnitude MV(TO) of the Globular Cluster Luminosity Function (GCLF) can be used for reliable extragalactic distance determination. Starting with the luminosity function of the Galactic Globular Clusters listed in Harris catalogue, we determine MV(TO) either using current calibrations of the absolute magnitude MV(RR) of RR Lyrae stars as a function of the cluster metal content [Fe/H] and adopting selected cluster samples. We show that the peak magnitude is slightly affected by the adopted MV(RR)-[Fe/H] relation, with the exception of that based on the revised Baade-Wesselink method, while it depends on the criteria to select the cluster sample. Moreover, grouping the Galactic Globular Clusters by metallicity, we find that the metal-poor (MP) ([Fe/H]< -1.0, <[Fe/H]>∼-1.6) sample shows peak magnitudes systematically brighter by about 0.36mag than those of the metal-rich (MR) ([Fe/H]> -1.0, (<[Fe/H]>∼-0.6) one, in substantial agreement with the theoretical metallicity effect suggested by synthetic Globular Cluster populations with constant age and mass function. Moving outside the Milky Way, we show that the peak magnitude of the MP clusters in M31 appears to be consistent with that of Galactic clusters with similar metallicity, once the same MV(RR)-[Fe/H] relation is used for distance determination. As for the GCLFs in other external galaxies, using Surface Brightness Fluctuations (SBF) measurements we give evidence that the luminosity functions of the blue (MP) Globular Clusters peak at the same luminosity within ∼0.2mag, whereas for the red (MR) samples the agreement is within ∼0.5mag even accounting for the theoretical metallicity correction expected for clusters with similar ages and mass distributions. Then, using the SBF absolute magnitudes provided by a Cepheid distance scale calibrated on a fiducial distance to Large Magellanic Cloud (LMC), we show that the MV(TO) value of the MP clusters in external galaxies is in excellent agreement with the value of both Galactic and M31 ones, as inferred by an RR Lyrae distance scale referenced to the same LMC fiducial distance. Eventually, adopting µ0(LMC) = 18.50mag, we derive that the luminosity function of MP clusters in the Milky Way, M31, and external galaxies peak at MV(TO) =-7.66±0.11, - 7.65±0.19 and -7.67±0.23mag, respectively. This would suggest a value of -7.66±0.09mag (weighted mean), with any modification of the LMC distance modulus producing a similar variation of the GCLF peak luminosity.

Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS

Journal keyword(s): stars: variable: other - globular clusters: general

VizieR on-line data: <Available at CDS (J/MNRAS/365/1357): table1.dat>

Simbad objects: 172

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Number of rows : 172
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 3917 0
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12651 1
3 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1042 0
4 NAME Sculptor Dwarf Galaxy G 01 00 09.4 -33 42 32   9.79 8.6 8.81   ~ 1360 4
5 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1085 0
6 NGC 524 GiP 01 24 47.7429545736 +09 32 20.089023900   11.5       ~ 462 1
7 NGC 1023 AG? 02 40 24.0133575864 +39 03 47.663392896 10.91 10.35 9.35 7.83   ~ 660 2
8 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 520 0
9 NAME NGC 1400 Group GrG 03 32 16.00 -18 33 54.0           ~ 72 0
10 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 243 1
11 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 208 0
12 Cl Pal 2 GlC 04 46 05.91 +31 22 53.4   15       ~ 180 0
13 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1430 0
14 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17438 0
15 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 817 0
16 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4939 2
17 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 497 0
18 NAME CMa Dwarf Galaxy G 07 12.6 -27 40     -0.1     ~ 199 1
19 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 932 0
20 NAME PYX GLOBULAR CL GlC 09 07 57.80 -37 13 17.0           ~ 107 0
21 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1420 0
22 NAME E 3 GlC 09 20 57.07 -77 16 54.8           ~ 164 0
23 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4450 3
24 NGC 3115 GiG 10 05 13.9270507008 -07 43 06.982712292   11   9.37   ~ 1013 2
25 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 328 1
26 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 885 0
27 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 819 1
28 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1463 0
29 NGC 3384 GiG 10 48 16.8855574392 +12 37 45.371165844   10.0       ~ 596 1
30 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 354 1
31 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 573 0
32 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2364 3
33 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 842 0
34 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 303 0
35 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1084 1
36 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2094 2
37 NGC 4473 GiG 12 29 48.878 +13 25 45.55 11.60 11.16 10.20     ~ 645 1
38 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7197 3
39 NGC 4494 GiP 12 31 24.0391348536 +25 46 30.071664120   10.55 9.74     ~ 474 0
40 M 91 LIN 12 35 26.4446761320 +14 29 46.760333748   14.63 13.57     ~ 594 0
41 M 89 LIN 12 35 39.80733343 +12 33 22.8308657 11.29 10.73 9.75     ~ 995 2
42 C 1235-509 GlC 12 38 40.20 -51 09 01.0           ~ 377 0
43 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 997 0
44 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1396 3
45 M 60 GiP 12 43 39.9680 +11 33 09.696   10.3       ~ 1348 1
46 NGC 4725 Sy2 12 50 26.5716367992 +25 30 02.733090588   13.45 12.44     ~ 695 2
47 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 425 0
48 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 836 0
49 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 620 0
50 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3427 0
51 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2479 0
52 NGC 5286 GlC 13 46 26.81 -51 22 27.3           ~ 443 0
53 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2916 2
54 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 828 0
55 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 300 0
56 NGC 5694 GlC 14 39 36.52 -26 32 18.0           ~ 301 0
57 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 351 0
58 NGC 5824 GlC 15 03 58.612 -33 04 06.70   10.28 9.56     ~ 408 0
59 NAME Serpens Dwarf GlC 15 16 05.30 -00 06 41.0   15.1       ~ 734 1
60 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 389 0
61 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 1978 0
62 NGC 5927 GlC 15 28 00.69 -50 40 22.9           ~ 462 0
63 NGC 5946 GlC 15 35 28.58 -50 39 35.0           ~ 194 0
64 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 374 0
65 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 368 0
66 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 716 0
67 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1850 0
68 NGC 6101 GlC 16 25 48.12 -72 12 07.9           ~ 294 0
69 NGC 6144 GlC 16 27 13.86 -26 01 24.6           ~ 243 0
70 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 214 0
71 ESO 390-6 GlC 16 28 40.10 -35 21 13.0     12.0     ~ 97 0
72 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 786 0
73 ESO 452-11 GlC 16 39 25.50 -28 23 52.0           ~ 66 0
74 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2193 0
75 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 366 0
76 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 677 0
77 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 186 0
78 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 789 0
79 NGC 6256 GlC 16 59 32.68 -37 07 17.1           ~ 153 0
80 GCl 50 GlC 16 59 51.1 -00 32 00   15.70       ~ 200 1
81 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 620 0
82 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 369 1
83 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 278 0
84 NGC 6287 GlC 17 05 09.4906767360 -22 42 28.099250172   11.49 10.30     ~ 224 0
85 NGC 6293 GlC 17 10 10.42 -26 34 54.2           ~ 281 0
86 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 359 0
87 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 216 0
88 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2116 0
89 NGC 6325 GlC 17 17 59.27 -23 45 57.7           ~ 171 0
90 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 317 0
91 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 286 0
92 NGC 6356 GlC 17 23 34.99 -17 48 46.9   10.01 7.42     ~ 350 1
93 NGC 6355 GlC 17 23 58.65 -26 21 12.3   12.46 11.05     ~ 155 0
94 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 396 0
95 IC 1257 Bz? 17 27 06.00 -07 05 00.0           ~ 87 0
96 ESO 454-29 GlC 17 27 33.24 -30 48 07.8           ~ 251 0
97 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 312 0
98 GCl 66.1 GlC 17 30 38.90 -31 35 44.0           ~ 117 0
99 ESO 455-11 GlC 17 31 05.20 -29 58 54.0           ~ 169 0
100 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 585 0
101 Liller 1 Cl* 17 33 24.50 -33 23 20.0           ~ 263 0
102 NGC 6380 GlC 17 34 28.00 -39 04 09.0           ~ 140 0
103 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 255 0
104 Ton 2 GlC 17 36 10.500 -38 33 12.00           ~ 93 0
105 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 914 1
106 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 386 0
107 NGC 6401 GlC 17 38 36.93 -23 54 31.5   11.31 10.71     ~ 172 0
108 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 1976 0
109 ESO 520-21 GlC 17 43 42.20 -26 13 21.0           ~ 178 0
110 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 222 0
111 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14419 0
112 NAME cl Djorgovski 1 GlC 17 47 28.30 -33 03 56.0           ~ 77 0
113 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 847 1
114 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 551 0
115 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 884 0
116 ESO 455-49 GlC 17 50 46.40 -31 16 31.0           ~ 185 0
117 NGC 6453 GlC 17 50 51.77 -34 35 55.1   10.49       ~ 166 0
118 NAME UKS 1 GlC 17 54 27.20 -24 08 43.0           ~ 93 0
119 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 225 0
120 GCl 80.1 GlC 18 01 38.80 -26 50 23.0           ~ 121 0
121 ESO 456-38 GlC 18 01 49.10 -27 49 33.0           ~ 92 0
122 NGC 6517 GlC 18 01 50.376 -08 57 34.39   11.08       ~ 182 0
123 ESO 521-16 GlC 18 02 57.40 -26 04 00.0           ~ 99 0
124 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 524 0
125 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 294 0
126 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 524 0
127 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 225 0
128 NGC 6540 GlC 18 06 08.60 -27 45 55.0           ~ 120 0
129 NGC 6544 GlC 18 07 20.58 -24 59 50.4   11.36 9.90     ~ 296 0
130 NGC 6541 GlC 18 08 02.36 -43 42 53.6           ~ 377 0
131 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 601 0
132 NGC 6558 GlC 18 10 17.6 -31 45 50           ~ 225 0
133 IC 1276 GlC 18 10 44.26 -07 12 27.3           ~ 121 0
134 ESO 522-1 GlC 18 12 15.80 -22 44 31.0     14.86     ~ 96 1
135 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 238 0
136 NGC 6584 GlC 18 18 37.60 -52 12 56.8     8.17     ~ 288 0
137 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 886 1
138 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 770 0
139 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 234 0
140 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 462 0
141 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 206 0
142 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 439 0
143 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1379 0
144 ESO 591-12 GlC 18 41 29.90 -19 49 33.0           ~ 114 0
145 M 70 GlC 18 43 12.76 -32 17 31.6           ~ 386 0
146 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 519 0
147 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1069 0
148 NGC 6717 GlC 18 55 06.04 -22 42 05.3           ~ 244 0
149 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 500 0
150 NGC 6749 OpC 19 05 15.36 +01 54 00.0     12.4     ~ 157 0
151 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2001 0
152 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 240 0
153 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 422 0
154 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 428 0
155 GCl 111 GlC 19 18 02.10 +18 34 18.0           ~ 111 0
156 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 354 0
157 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 854 0
158 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 321 0
159 GCl 114 GlC 19 45 14.40 -08 00 26.0     7.54     ~ 142 0
160 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1128 0
161 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 366 0
162 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 422 0
163 M 72 GlC 20 53 27.70 -12 32 14.3     8.96     ~ 430 0
164 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 532 0
165 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3140 0
166 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1030 1
167 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1049 0
168 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 516 0
169 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1228 2
170 GCl 124 GlC 23 06 44.48 +12 46 19.2   15.6       ~ 277 1
171 NGC 7492 GlC 23 08 26.68 -15 36 41.3     10.48     ~ 301 0
172 NAME Local Group GrG ~ ~           ~ 8393 0

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