2012MNRAS.419.2173J

Query : 2012MNRAS.419.2173J

2012MNRAS.419.2173J - Mon. Not. R. Astron. Soc., 419, 2173-2194 (2012/January-3)

Long-term photometric monitoring of RR Lyrae stars in Messier 3.

JURCSIK J., HAJDU G., SZEIDL B., OLAH K., KELEMEN J., SODOR A., SAHA A., MALLICK P. and CLAVER J.

Abstract (from CDS):

The period-change behaviour of 134 RR Lyrae stars in the globular cluster Messier 3 (M3) is investigated on the ∼ 120 yr time-base of the photometric observations. The mean period-change rates (β ≈ 0.01 d/Myr) of the subsamples of variables exhibiting the most regular behaviour are in good agreement with theoretical expectations based on horizontal branch stellar evolution models. However, a large fraction of variables show period changes that contradict the evolutionary expectations. Among the 134 stars studied, the period-change behaviour of only 54 variables is regular (constant or linearly changing), slight irregularities are superimposed on the regular variations in 23 cases and the remaining 57 stars display irregular period variations. The light curve of ∼ 50 per cent of the RRab stars is not stable, that is, these variables exhibit Blazhko modulation. The large fraction of variables with peculiar behaviour (showing light-curve modulation and/or irregular O-C variation) indicates that, probably, variables with regular period changes incompatible with their evolutionary stages also could display some kind of instability of the pulsation light curve and/or period, but the available observations have not disclosed it yet. The temporal appearance of the Blazhko effect in some stars, and the 70-90 yr long regular changes preceded or followed by irregular, rapid changes of the pulsation period in some cases, supports this hypothesis.

Accurate Fourier parameters of the light curves of the RRab variables are derived from all the available CCD data. The large, homogeneous sample of stars on the Oosterhoff I sequence enable us to investigate the characteristics of the light curves of the variables showing increasing and decreasing period changes. It is found that, at a given phase-difference value, period-increasing variables have 0.002-0.014 mag smaller amplitudes on average than period-decreasing variables have. Also, at a given period, their phase differences tend to be smaller by 0.03-0.07 rad than the phase differences of variables with decreasing periods. The realness of the detected differences is proven by Monte Carlo simulations. Giants reveal what dwarfs conceal: Li abundance in lower red giant branch stars as diagnostic of the primordial Li


Abstract Copyright: 2011 The Authors Monthly Notices of the Royal Astronomical Society2011 RAS

Journal keyword(s): stars: evolution - stars: horizontal branch - stars: oscillations - stars: variables: RR Lyrae - globular clusters: individual: M3

VizieR on-line data: <Available at CDS (J/MNRAS/419/2173): stars.dat table1.dat table2.dat table3.dat table4.dat table5a.dat table5b.dat table6.dat table8a.dat table8b.dat>

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

Simbad objects: 141

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Number of rows : 141
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 V* RR Gem RR* 07 21 33.5312487888 +30 52 59.459320164   12.34 11.92     kA2hA7.5 217 0
2 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
3 NGC 5272 170 RR* 13 41 34.0477555800 +28 30 24.892016220   16.0 15.71     A0 30 0
4 NGC 5272 173 RR* 13 41 34.5428567544 +28 18 55.268110368   15.43 15.62     A0 33 0
5 NGC 5272 181 RR* 13 41 37.9965554880 +28 24 33.451411248   15.5 15.72     ~ 36 0
6 NGC 5272 190 RR* 13 41 42.8296305936 +28 24 17.521822404           ~ 26 0
7 NGC 5272 214 RR* 13 41 47.4003441552 +28 16 04.242483444   15.49 15.47     ~ 34 0
8 NGC 5272 221 RR* 13 41 48.7084143144 +28 21 08.103373524   16.19       ~ 25 0
9 NGC 5272 223 RR* 13 41 48.9919063584 +28 26 32.084434176   15.97 15.53     ~ 32 0
10 NGC 5272 222 RR* 13 41 49.0523246352 +28 17 25.556188164   15.84       ~ 29 0
11 NGC 5272 226 RR* 13 41 49.5026779608 +28 19 13.373781132   16.14 15.47     ~ 30 0
12 NGC 5272 234 RR* 13 41 50.9296938528 +28 24 32.973244740   16.02 15.48     ~ 36 0
13 NGC 5272 244 RR* 13 41 52.3044340776 +28 06 04.338401292   16.34 15.69     A0 24 0
14 NGC 5272 249 RR* 13 41 52.9653829704 +28 24 42.366618648   15.16 15.53     ~ 30 0
15 NGC 5272 252 RR* 13 41 53.2301453088 +28 20 31.235759700   16.21 15.38     ~ 28 0
16 NGC 5272 253 RR* 13 41 53.5552722312 +28 25 25.632876432   15.909 15.664   15.311 ~ 30 0
17 NGC 5272 264 RR* 13 41 54.7771719360 +28 27 51.948923256   15.82 15.61     ~ 33 0
18 NGC 5272 278 RR* 13 41 55.9122297120 +28 28 05.647878120   15.5       ~ 33 0
19 NGC 5272 279 RR* 13 41 56.0416885776 +28 24 48.968592912   15.54       ~ 27 0
20 NGC 5272 296 RR* 13 41 58.0437587160 +28 21 58.414259196   15.69 15.58     ~ 25 0
21 NGC 5272 305 RR* 13 41 59.1211954584 +28 18 47.473578540   16.16       ~ 24 0
22 NGC 5272 321 RR* 13 41 59.9877110160 +28 19 11.839893636   15.72 15.63     ~ 27 0
23 NGC 5272 328 RR* 13 42 00.3096156552 +28 22 51.876492276   16.03       ~ 25 0
24 NGC 5272 338 RR* 13 42 00.6731572800 +28 28 39.822570984   15.908 15.657   15.278 ~ 27 0
25 NGC 5272 351 RR* 13 42 01.5058487856 +28 24 44.239807944   16.15 15.03     ~ 28 0
26 NGC 5272 353 RR* 13 42 01.7033058192 +28 19 24.681996228   15.973 15.699   15.329 ~ 27 0
27 NGC 5272 355 RR* 13 42 01.8162996840 +28 21 50.448174300   16.09       ~ 26 0
28 NGC 5272 362 RR* 13 42 02.0786404272 +28 22 10.071015960   15.67 15.69     ~ 22 0
29 NGC 5272 361 RR* 13 42 02.0879523912 +28 23 41.452921284   16.030 15.64     ~ 25 0
30 NGC 5272 366 RR* 13 42 02.6087228016 +28 21 28.702891116   15.93       ~ 18 0
31 NGC 5272 374 RR* 13 42 02.8370379384 +28 27 20.343105612   15.53 15.21     ~ 30 0
32 NGC 5272 379 RR* 13 42 03.1714040496 +28 20 59.056599516   16.091 15.650     ~ 26 0
33 NGC 5272 378 RR* 13 42 03.2428723176 +28 18 53.207392860   16.24 15.32     ~ 27 0
34 NGC 5272 384 RR* 13 42 03.4395642576 +28 18 03.470238036   15.64 15.51     ~ 28 0
35 NGC 5272 390 * 13 42 03.689 +28 22 19.82   15.70       ~ 5 0
36 NGC 5272 396 RR* 13 42 03.7766176416 +28 24 42.724416960   15.97 15.06     ~ 26 0
37 NGC 5272 391 RR* 13 42 03.8907962976 +28 12 40.586453280   16.20 15.67     ~ 25 0
38 NGC 5272 397 RR* 13 42 03.9325079160 +28 22 26.029483284   15.970 15.630     ~ 17 0
39 NGC 5272 404 RR* 13 42 04.2891502824 +28 23 09.602392920   16.17 15.891     ~ 20 0
40 NGC 5272 407 RR* 13 42 04.3821425616 +28 23 35.655766728   15.63       ~ 18 0
41 NGC 5272 409 RR* 13 42 04.4618182848 +28 23 03.667721748   15.975 15.690     ~ 16 0
42 NGC 5272 411 RR* 13 42 04.6717922400 +28 18 08.515927944   16.15 15.04     ~ 25 0
43 NGC 5272 416 RR* 13 42 04.7352919728 +28 22 44.305611852   15.994 15.682     ~ 18 0
44 NGC 5272 425 RR* 13 42 04.9421552088 +28 23 27.936521952   15.835 15.596     ~ 15 0
45 NGC 5272 445 RR* 13 42 05.510 +28 23 22.30   15.751 15.497     ~ 13 0
46 NGC 5272 447 RR* 13 42 05.5854018912 +28 22 05.486559672   15.81 15.658     ~ 17 0
47 NGC 5272 451 RR* 13 42 05.6225269680 +28 25 13.297631808   16.20       ~ 24 0
48 NGC 5272 455 RR* 13 42 05.6358673896 +28 28 16.704138000   15.896 15.663   15.327 ~ 29 0
49 NGC 5272 459 RR* 13 42 05.8989657456 +28 23 09.084801948   15.909 15.684   15.399 ~ 15 0
50 NGC 5272 479 RR* 13 42 06.5215772880 +28 19 20.667920520   15.91       ~ 24 0
51 NGC 5272 503 RR* 13 42 07.0115963736 +28 23 25.941436908   16.013 15.742     ~ 16 0
52 NGC 5272 524 RR* 13 42 07.4332168440 +28 22 19.909909596   15.909 15.653   15.259 ~ 17 0
53 NGC 5272 541 RR* 13 42 07.8030317472 +28 25 29.879926572   16.04       ~ 18 0
54 NGC 5272 537 RR* 13 42 07.8103914336 +28 20 01.120003224   14.94       ~ 28 0
55 NGC 5272 561 RR* 13 42 08.1682186728 +28 23 37.751395848   15.996 15.729     ~ 18 0
56 NGC 5272 560 RR* 13 42 08.2060307352 +28 23 59.336813328   15.747 15.484     ~ 15 0
57 NGC 5272 593 RR* 13 42 08.7223459128 +28 23 39.937712532   15.865 15.600     ~ 16 0
58 NGC 5272 597 RR* 13 42 08.8371424248 +28 21 32.200187400   15.923 15.693   15.369 ~ 14 0
59 NGC 5272 616 RR* 13 42 08.9816783688 +28 24 28.430816652           ~ 16 0
60 NGC 5272 620 RR* 13 42 09.2532154824 +28 21 43.644048264   16.060 15.741     ~ 21 0
61 NGC 5272 623 RR* 13 42 09.3887758920 +28 15 53.466899760   15.5 15.66     ~ 26 0
62 NGC 5272 636 RR* 13 42 09.4417047240 +28 23 20.483104128   15.897 15.551     ~ 16 0
63 NGC 5272 632 RR* 13 42 09.4438811064 +28 17 30.279932088   15.766 15.581   15.296 ~ 24 0
64 NGC 5272 650 RR* 13 42 09.5016856512 +28 25 07.320370584           ~ 26 0
65 NGC 5272 644 RR* 13 42 09.5850317088 +28 20 24.465210468   15.986 15.690   15.279 ~ 24 0
66 NGC 5272 656 RR* 13 42 09.6302119392 +28 20 56.369086764   15.895 15.652     ~ 22 0
67 NGC 5272 679 RR* 13 42 09.8471057664 +28 25 53.197646988   15.787 15.581   15.299 ~ 24 0
68 NGC 5272 708 RR* 13 42 10.2882342696 +28 24 30.701574288   15.743 15.515   15.155 ~ 25 0
69 NGC 5272 700 RR* 13 42 10.3588026480 +28 20 15.720134100   15.935 15.665   15.284 ~ 24 0
70 NGC 5272 710 RR* 13 42 10.4151310608 +28 21 13.926278916   15.952 15.673     ~ 15 0
71 NGC 5272 713 RR* 13 42 10.5714129600 +28 13 32.088793260   15.2       ~ 21 0
72 NGC 5272 759 RR* 13 42 10.9319760792 +28 24 44.678457792   15.84 15.10     ~ 21 0
73 NGC 5272 775 RR* 13 42 11.0892636312 +28 24 10.187271252           ~ 18 0
74 NGC 5272 765 RR* 13 42 11.1204155304 +28 20 33.668684448   16.14       ~ 24 0
75 NGC 5272 776 RR* 13 42 11.2575962256 +28 20 17.066799060   15.829 15.600   15.264 ~ 22 0
76 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
77 NGC 5272 818 RR* 13 42 11.7705832392 +28 24 06.110627652   15.74 15.574     ~ 18 0
78 NGC 5272 873 RR* 13 42 12.2163708456 +28 33 03.652606044   16.18 15.66     ~ 25 0
79 NGC 5272 840 RR* 13 42 12.2409014712 +28 18 47.913671880   15.46       ~ 24 0
80 NGC 5272 867 RR* 13 42 12.3901007064 +28 23 42.325368108   15.992 15.627     ~ 17 0
81 NGC 5272 901 RR* 13 42 12.7969017048 +28 21 44.823749004           ~ 17 0
82 NGC 5272 922 RR* 13 42 13.0977418800 +28 25 37.064476956   15.942 15.653   15.237 ~ 32 0
83 NGC 5272 948 RR* 13 42 13.6233368184 +28 20 51.504312048           ~ 16 0
84 NGC 5272 965 RR* 13 42 13.8736706016 +28 18 55.943808444   15.46       ~ 28 0
85 NGC 5272 982 RR* 13 42 13.9730181624 +28 23 47.434123068   15.68       ~ 22 0
86 NGC 5272 985 RR* 13 42 14.1063449232 +28 23 10.424358960           ~ 14 0
87 NGC 5272 999 RR* 13 42 14.2286370120 +28 28 24.034610604   16.22       ~ 27 0
88 NGC 5272 1003 RR* 13 42 14.3327297304 +28 25 14.366159976   15.691 15.398   14.963 ~ 24 0
89 NGC 5272 1041 RR* 13 42 14.7094647888 +28 28 31.576265364   15.62 15.62     ~ 49 0
90 NGC 5272 1048 RR* 13 42 14.9849950752 +28 24 05.688862128   16.205 15.768     ~ 17 0
91 NGC 5272 1051 RR* 13 42 15.0532056072 +28 23 48.497818704   15.88       ~ 21 0
92 NGC 5272 1057 RR* 13 42 15.1455013488 +28 25 21.300825036   15.924 15.686   15.306 ~ 26 0
93 NGC 5272 1072 RR* 13 42 15.4673194320 +28 22 23.088922932           ~ 15 0
94 NGC 5272 1076 RR* 13 42 15.6039542520 +28 21 02.773108656           ~ 17 0
95 NGC 5272 1080 RR* 13 42 15.7051160688 +28 21 41.363983080           ~ 18 0
96 NGC 5272 1102 RR* 13 42 16.2601848264 +28 22 13.591981344   15.763 15.552   15.263 ~ 18 0
97 NGC 5272 1105 RR* 13 42 16.3119230496 +28 25 27.139890936   15.81       ~ 30 0
98 NGC 5272 1122 RR* 13 42 16.7550443592 +28 24 19.772759700   16.126 15.729     ~ 17 0
99 NGC 5272 1126 RR* 13 42 16.8380751192 +28 21 13.260545568   16.11       ~ 20 0
100 NGC 5272 1151 RR* 13 42 17.4612329112 +28 23 33.519983028   15.89 15.82     ~ 19 0
101 NGC 5272 1153 RR* 13 42 17.4714593736 +28 23 29.495239260   16.019 15.791     ~ 18 0
102 NGC 5272 1164 RR* 13 42 17.5722576240 +28 25 03.242427996   16.087 15.730     ~ 21 0
103 NGC 5272 1181 RR* 13 42 18.1444132416 +28 25 13.025664516   16.03       ~ 24 0
104 NGC 5272 1187 RR* 13 42 18.2209473696 +28 29 39.151611996   16.18 15.38     ~ 32 0
105 NGC 5272 1184 RR* 13 42 18.3945935280 +28 14 53.874113496   15.8 15.61     ~ 24 0
106 NGC 5272 1201 RR* 13 42 18.9240625584 +28 19 34.109932080   15.05 15.31     ~ 31 0
107 NGC 5272 1202 RR* 13 42 18.9539910864 +28 17 47.153421816   15.11       ~ 32 0
108 NGC 5272 1207 RR* 13 42 19.0614789552 +28 23 06.891049428   16.004 15.672     ~ 19 0
109 NGC 5272 1222 RR* 13 42 19.8515758920 +28 23 42.499785264   15.871 15.583   15.168 ~ 24 0
110 NGC 5272 1234 RR* 13 42 20.1101302464 +28 28 12.431495856   15.85 15.76     ~ 31 0
111 NGC 5272 1231 RR* 13 42 20.1214748880 +28 24 53.544514860   15.894 15.657     ~ 19 0
112 NGC 5272 1250 RR* 13 42 20.9181912336 +28 28 09.962707152   15.5 15.44     ~ 37 0
113 NGC 5272 1253 RR* 13 42 21.1584934848 +28 21 00.235469664   15.70 15.50     ~ 27 0
114 NGC 5272 1265 RR* 13 42 21.7143668592 +28 25 32.556896652   16.21 14.87     ~ 28 0
115 NGC 5272 1268 RR* 13 42 22.1126476752 +28 21 02.602253160   16.20 15.13     ~ 20 0
116 Cl* NGC 5272 SAW V17 RR* 13 42 22.4130425064 +28 15 22.645347552     15.59     ~ 26 0
117 NGC 5272 1277 RR* 13 42 22.5039031992 +28 17 50.442311328   15.17       ~ 24 0
118 NGC 5272 1291 RR* 13 42 23.0998908528 +28 25 00.530425884   16.17 15.09     ~ 31 0
119 NGC 5272 1292 RR* 13 42 23.2521179040 +28 22 42.150708228   16.057 15.726     ~ 18 0
120 NGC 5272 1298 RR* 13 42 23.6535400152 +28 22 40.322621820   15.76 15.64     ~ 23 0
121 NGC 5272 1307 RR* 13 42 24.3655781928 +28 24 21.972414888   15.951 15.659   15.220 ~ 19 0
122 NGC 5272 1308 RR* 13 42 24.5417561952 +28 22 07.407134832   15.56 15.41     ~ 31 0
123 NGC 5272 1317 RR* 13 42 25.6458545640 +28 20 30.065257680   15.939 15.665   15.262 ~ 26 0
124 NGC 5272 1321 RR* 13 42 25.7877484392 +28 28 45.700775544   16.25 15.70     ~ 35 0
125 NGC 5272 1320 RR* 13 42 25.9150341168 +28 22 31.954430028   15.71       ~ 21 0
126 NGC 5272 1330 RR* 13 42 26.7551841552 +28 21 47.820600828   15.940 15.653   15.223 ~ 20 0
127 V* XX CVn RR* 13 42 26.8382421384 +28 11 12.803031780   16.0 12.81     ~ 26 0
128 NGC 5272 1353 RR* 13 42 30.6697917792 +28 24 28.806959880   15.7       ~ 24 0
129 NGC 5272 1357 RR* 13 42 31.2894640368 +28 22 20.614177344   16.74 16.95     ~ 19 0
130 NGC 5272 1373 RR* 13 42 34.6501453992 +28 26 29.035194792   15.746 15.521   15.190 ~ 24 0
131 NGC 5272 1380 RR* 13 42 36.8266274616 +28 18 11.668691412   15.5 15.52     ~ 31 0
132 NGC 5272 1384 RR* 13 42 37.3664772456 +28 28 34.221330624   15.23       ~ 30 0
133 NGC 5272 1386 RR* 13 42 37.7806343472 +28 23 01.495215024   16.0       ~ 30 0
134 NGC 5272 1388 RR* 13 42 38.1162231744 +28 18 37.692617724   16.15 15.62     ~ 32 0
135 NGC 5272 1400 RR* 13 42 43.0251850536 +28 27 27.750824280   14.98 15.63     ~ 25 0
136 NGC 5272 1406 RR* 13 42 44.7117233832 +28 23 45.698812980   15.89 15.59     ~ 30 0
137 NGC 5272 1410 RR* 13 42 45.1104056928 +28 33 47.579514120   16.0 15.66     ~ 26 0
138 NGC 5272 1409 RR* 13 42 45.2456774112 +28 22 41.286108468   16.27 15.57     ~ 34 0
139 NGC 5272 1422 RR* 13 42 50.3955453744 +28 20 48.964281540   15.914 15.679   15.367 ~ 27 0
140 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 375 0
141 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0

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