2008AJ....135.1459C

Query : 2008AJ....135.1459C

2008AJ....135.1459C - Astron. J., 135, 1459-1473 (2008/April-0)

The globular cluster M15. I. Identification, discovery, and period determination of variable stars.

CORWIN T.M., BORISSOVA J., STETSON P.B., CATELAN M., SMITH H.A., KURTEV R. and STEPHENS A.W.

Abstract (from CDS):

We present new BVI CCD photometry for variables in the globular cluster M15. Our photometry was obtained using both the image subtraction package ISIS and DAOPHOT/ALLFRAME. The data were acquired in 2001 on two observing runs on 11 observing nights using the 2 m telescope of the Bulgarian National Astronomical Observatory "Rozhen" with a Photometrics CCD camera. For 39 previously known variables, we present a period for the first time, and improved periods were obtained for many previously known variables. Fourteen new variables are reported. We present updated Bailey diagrams for the cluster, and discuss its Oosterhoff classification. Although many of M15's RRab pulsators fall at an intermediate locus between Oosterhoff types I and II (OoII) in the Bailey diagram, we argue that M15 is indeed a bona fide OoII globular cluster.

Abstract Copyright: ∼

Journal keyword(s): globular clusters: individual: M15 - stars: evolution - stars: variables: other

VizieR on-line data: <Available at CDS (J/AJ/135/1459): table1.dat table2.dat table3.dat>

Nomenclature: Table 1: Cl* NGC 7078 CBS NN (Nos 1-14).

CDS comments: Tables 1-3: New Variable stars NV = Cl* NGC 7078 CBS NN in SIMBAD.

Simbad objects: 135

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Number of rows : 135
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 Lyr RR* 19 25 27.9129605304 +42 47 03.693258204   7.36   7.6   kA3hF0 951 0
2 Cl* NGC 7078 SAW V1 WV* 21 29 50.1793135296 +12 10 26.505641928   15.412 15.009   14.385 A9 31 0
3 NGC 7078 173 RR* 21 29 50.9885793325 +12 09 55.762974982   16.216 15.877   15.341 ~ 20 0
4 NGC 7078 177 RR* 21 29 51.3085807326 +12 09 23.867233285   16.317 15.802   15.145 ~ 17 0
5 NGC 7078 210 RR* 21 29 52.0267743888 +12 08 11.607339732   16.213 15.828   15.310 ~ 34 0
6 NGC 7078 227 RR* 21 29 52.3719063288 +12 09 52.200305568   16.251 15.881   15.303 ~ 25 0
7 NGC 7078 242 RR* 21 29 52.8470300472 +12 10 31.478511612   16.240 15.779   15.143 ~ 17 0
8 NGC 7078 264 RR* 21 29 53.3819485910 +12 10 41.089331761   16.062 15.741   15.210 ~ 13 0
9 NGC 7078 275 RR* 21 29 53.6275697712 +12 08 10.279444416   16.250 15.892   15.389 ~ 22 0
10 NGC 7078 281 RR* 21 29 53.7052652568 +12 09 21.065478480   16.236 15.802   15.205 ~ 17 0
11 Cl* NGC 7078 CBS 1 SX* 21 29 53.8991418450 +12 11 13.309485406   18.338 17.950   17.412 ~ 1 0
12 NGC 7078 321 RR* 21 29 54.4767179869 +12 10 11.087396436   16.214 15.830   15.152 ~ 18 0
13 Cl* NGC 7078 SAW V34 cC* 21 29 54.5071228401 +12 09 07.119248140     15.6     ~ 10 0
14 NGC 7078 332 RR* 21 29 54.7618295240 +12 11 49.845931885   16.194 15.774   15.205 ~ 19 0
15 Cl* NGC 7078 SAW V80 RR* 21 29 55.0594699180 +12 09 35.902764557   16.265 15.720   15.058 ~ 6 0
16 NGC 7078 350 RR* 21 29 55.1010588552 +12 10 22.326590424   16.145 15.765   15.207 ~ 14 0
17 NGC 7078 380 RR* 21 29 55.4876221097 +12 09 33.792180199   16.180 15.776   15.196 ~ 14 0
18 Cl* NGC 7078 ZK 81 RR* 21 29 55.7633139908 +12 09 36.872674280   16.536 16.002   15.236 ~ 8 0
19 Cl* NGC 7078 YGBS 46 RR* 21 29 55.8339496316 +12 10 08.784022342   16.237 15.789   15.163 ~ 9 0
20 Cl* NGC 7078 ZK 78 RR* 21 29 55.8740746239 +12 10 27.477936069   16.120 15.737   15.159 ~ 7 1
21 Cl* NGC 7078 SAW V71 RR* 21 29 55.9119238442 +12 09 50.036789011   16.301 15.884   15.238 ~ 7 0
22 Cl* NGC 7078 GEB 916 RR* 21 29 55.9555613184 +12 09 43.255093032   16.279 15.854   15.217 ~ 13 0
23 NGC 7078 420 RR* 21 29 56.1011015244 +12 10 14.891800743   16.185 15.773   15.181 ~ 9 0
24 Cl* NGC 7078 ZK 73 RR* 21 29 56.13 +12 10 17.0           ~ 4 0
25 Cl* NGC 7078 CBS 2 RR* 21 29 56.1912669973 +12 09 37.549129099   16.236 16.5     ~ 5 0
26 Cl* NGC 7078 ZK 74 RR* 21 29 56.2229817096 +12 10 30.621216180   16.135 15.805   15.293 ~ 8 0
27 NGC 7078 437 RR* 21 29 56.4007348812 +12 08 41.217276297   16.268 15.853   15.208 ~ 17 0
28 NGC 7078 451 RR* 21 29 56.5568506655 +12 08 45.298927340   16.180 15.885   15.474 ~ 7 0
29 NGC 7078 463 RR* 21 29 56.6734246176 +12 09 55.446471720   16.255 15.791   15.082 ~ 14 0
30 Cl* NGC 7078 SAW V81 RR* 21 29 56.8047702411 +12 09 57.556176725   16.348 15.812   15.061 ~ 9 0
31 Cl* NGC 7078 SAW V82 RR* 21 29 56.8530130032 +12 10 04.586300724   16.154 15.664   15.043 ~ 8 0
32 Cl* NGC 7078 ZK 69 RR* 21 29 57.13 +12 10 21.4   16.090       ~ 3 0
33 Cl* NGC 7078 ZK 67 RR* 21 29 57.45 +12 09 43.6   16.463 16.13     ~ 3 0
34 Cl* NGC 7078 ZK 31 RR* 21 29 57.600 +12 09 39.61   16.288 16.076   15.143 ~ 5 1
35 Cl* NGC 7078 YGBS 332 RR* 21 29 57.6405585332 +12 10 14.593132965   16.435 16.099   14.900 ~ 7 0
36 Cl* NGC 7078 ZK 63 RR* 21 29 57.7803401688 +12 10 20.743799792   16.014 15.594   15.007 ~ 4 0
37 Cl* NGC 7078 SAW V78 RR* 21 29 57.7999896171 +12 10 50.218262158   16.246 15.699   15.103 ~ 11 0
38 Cl* NGC 7078 SAW V129 RR* 21 29 57.8249531965 +12 09 48.533669756   16.005 15.573     ~ 8 0
39 Cl* NGC 7078 ZK 60 RR* 21 29 57.8291585097 +12 10 02.477255878   16.327 16.038     ~ 6 0
40 Cl* NGC 7078 ZK 59 RR* 21 29 57.8376363431 +12 10 00.371782414   16.603 16.213     ~ 6 0
41 Cl* NGC 7078 SAW V130 RR* 21 29 57.8471288384 +12 09 51.839997136   16.695 16.039   14.707 ~ 8 0
42 Cl* NGC 7078 VGG 2321 RR* 21 29 57.9979696443 +12 10 18.892672464   16.126 15.756   15.142 ~ 5 0
43 Cl* NGC 7078 SAW V73 RR* 21 29 58.0087413545 +12 10 22.898771455   16.176 15.767   15.216 ~ 6 0
44 Cl* NGC 7078 ZK 56 RR* 21 29 58.03 +12 09 59.3   15.94 15.620     ~ 5 0
45 Cl* NGC 7078 YGBS 511 RR* 21 29 58.10 +12 09 48.6   16.249 16.107   15.133 ~ 6 0
46 Cl* NGC 7078 SAW V114 RR* 21 29 58.1608788952 +12 10 52.742472971     17.3     ~ 5 0
47 Cl* NGC 7078 ZK 51 RR* 21 29 58.18 +12 10 07.3   16.043 15.578     ~ 5 0
48 NGC 7078 564 RR* 21 29 58.1933027208 +12 12 09.883495224   16.241 15.795   15.178 ~ 22 0
49 Cl* NGC 7078 ZK 50 RR* 21 29 58.2726936369 +12 10 05.252840412   15.941 15.792     ~ 6 0
50 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
51 Cl* NGC 7078 SAW V76 RR* 21 29 58.3477679832 +12 09 33.861229632   16.427 16.126   15.217 ~ 12 0
52 Cl* NGC 7078 SAW V159 RR* 21 29 58.35 +12 10 02.6           ~ 2 0
53 Cl* NGC 7078 SAW V128 RR* 21 29 58.38 +12 10 01.7   15.357 14.881     ~ 9 0
54 Cl* NGC 7078 ZK 42 RR* 21 29 58.4094951857 +12 10 11.107537433   15.994 15.795     ~ 5 0
55 Cl* NGC 7078 ZK 41 RR* 21 29 58.4105506941 +12 10 29.378618032   16.091 15.592   14.840 ~ 6 0
56 Cl* NGC 7078 SAW V75 RR* 21 29 58.4500333692 +12 09 31.671670732   16.28 16.136   15.259 ~ 8 0
57 Cl* NGC 7078 SAW V94 RR* 21 29 58.4502433858 +12 10 31.032255391           ~ 7 0
58 Cl* NGC 7078 SAW V138 RR* 21 29 58.4568469157 +12 10 00.467082770   16.119 15.689     ~ 12 0
59 Cl* NGC 7078 CBS 3 RR* 21 29 58.4731095266 +12 10 39.902321996   16.083 15.671   15.151 ~ 4 0
60 Cl* NGC 7078 SAW V161 RR* 21 29 58.4977681917 +12 09 48.990639458   16.278 15.785     ~ 4 0
61 Cl* NGC 7078 GEB 31 Ce* 21 29 58.5826399159 +12 10 00.574243036   15.586 15.161     ~ 12 0
62 NGC 7078 590 RR* 21 29 58.6451790409 +12 11 34.082182491   16.192 15.827   15.334 ~ 22 0
63 Cl* NGC 7078 YGBS 876 RR* 21 29 58.73 +12 09 28.0   16.218 15.819   15.015 ~ 4 0
64 Cl* NGC 7078 SAW V170 RR* 21 29 58.7881338142 +12 09 21.512914866   16.25 15.949   15.141 ~ 8 0
65 Cl* NGC 7078 ZK 32 RR* 21 29 58.79 +12 10 03.7   16.103 15.837     ~ 4 0
66 Cl* NGC 7078 SAW V38 RR* 21 29 58.8282340368 +12 07 36.551809992   16.200 15.839 15.888 15.338 ~ 23 0
67 Cl* NGC 7078 GEB 1244 RR* 21 29 58.89 +12 09 02.7     16.8     ~ 2 0
68 NGC 7078 611 RR* 21 29 58.9465405824 +12 11 16.477894356   16.180 15.770   15.316 ~ 22 0
69 Cl* NGC 7078 ZK 30 RR* 21 29 58.9500447576 +12 10 03.160785217   16.17 15.814   14.915 ~ 6 0
70 NGC 7078 612 RR* 21 29 58.9669681315 +12 11 31.017900240   16.159 15.745   15.255 ~ 23 0
71 Cl* NGC 7078 SAW V77 RR* 21 29 59.030 +12 09 36.90   16.118 16.183   15.051 ~ 5 1
72 Cl* NGC 7078 SAW V86 WV* 21 29 59.1547288151 +12 10 07.104339976   14.380 13.669   12.659 ~ 18 0
73 NGC 7078 632 RR* 21 29 59.2126567344 +12 12 21.591066852   16.110 15.711   15.137 ~ 20 0
74 Cl* NGC 7078 SAW V163 RR* 21 29 59.2283789160 +12 09 51.914182705   16.043 16.226   14.970 ~ 3 0
75 Cl* NGC 7078 SAW V144 RR* 21 29 59.2794602433 +12 10 00.954761131   15.552 15.392     ~ 7 0
76 Cl* NGC 7078 SAW V100 RR* 21 29 59.2853713375 +12 09 23.905717727   16.169 16.6     ~ 7 0
77 Cl* NGC 7078 SAW V117 RR* 21 29 59.2935943004 +12 09 26.908187244   17.020 16.7     ~ 5 0
78 Cl* NGC 7078 CBS 14 RR* 21 29 59.3003385884 +12 09 28.729095758   16.090 15.812   15.339 ~ 3 0
79 Cl* NGC 7078 ZK 24 RR* 21 29 59.34 +12 10 03.2   16.066 15.740     ~ 5 0
80 Cl* NGC 7078 VGG 505 RR* 21 29 59.3443977209 +12 10 08.715063182   16.169 15.743   15.074 ~ 6 0
81 Cl* NGC 7078 VGG 1855 RR* 21 29 59.3614354809 +12 10 00.601333842   16.076 15.895   14.767 ~ 4 0
82 Cl* NGC 7078 ZK 21 RR* 21 29 59.3629367763 +12 09 56.425307251   16.334 15.909   15.002 ~ 6 0
83 Cl* NGC 7078 CBS 5 RR* 21 29 59.3984028526 +12 09 12.980732799   16.241 15.760   15.107 ~ 1 0
84 Cl* NGC 7078 SAW V84 RR* 21 29 59.4840875581 +12 09 48.411216191   16.188 16.005   15.435 ~ 6 0
85 Cl* NGC 7078 CBS 11 RR* 21 29 59.5243030343 +12 09 23.225919589   16.266 16.5     ~ 3 0
86 Cl* NGC 7078 VGG 25693 RR* 21 29 59.5323521947 +12 09 49.620370276   16.315 16.106     ~ 5 0
87 NGC 7078 657 RR* 21 29 59.6021963472 +12 10 55.679517092   16.133 15.847   15.389 ~ 9 0
88 Cl* NGC 7078 SAW V119 RR* 21 29 59.6274372868 +12 10 07.156763090   16.728 16.050   15.099 ~ 5 0
89 Cl* NGC 7078 SAW V168 RR* 21 29 59.6927578655 +12 10 05.278752601   16.319 15.949   15.005 ~ 6 0
90 NGC 7078 659 RR* 21 29 59.6968308672 +12 07 58.327239144   16.274 15.892   15.397 ~ 25 0
91 Cl* NGC 7078 VGG 13564 RR* 21 29 59.7872052238 +12 10 24.776873945   16.01 15.807     ~ 6 0
92 Cl* NGC 7078 SAW V171 RR* 21 29 59.7988292601 +12 09 39.602714461   16.514 16.157   15.131 ~ 8 0
93 Cl* NGC 7078 SAW V167 RR* 21 29 59.8150754735 +12 10 03.348448167   16.46 16.161   14.764 ~ 4 0
94 NGC 7078 680 RR* 21 29 59.8961237328 +12 11 19.436793108   16.224 15.797   15.156 ~ 21 0
95 Cl* NGC 7078 VGG 26619 RR* 21 29 59.91 +12 09 48.5   16.419 16.203     ~ 4 0
96 Cl* NGC 7078 CBS 13 RR* 21 30 00.0066249167 +12 09 38.894795052   16.264 15.961     ~ 6 0
97 Cl* NGC 7078 VGG 24953 RR* 21 30 00.0406360914 +12 10 01.409562535   16.212 16.176   15.053 ~ 5 0
98 NGC 7078 693 RR* 21 30 00.20 +12 10 13.5   15.73 15.234     ~ 7 0
99 NGC 7078 705 RR* 21 30 00.2813569896 +12 09 29.143469592   16.218 15.820   15.176 ~ 11 0
100 Cl* NGC 7078 CBS 7 RR* 21 30 00.3743122029 +12 09 57.388597757   16.142 15.740   15.148 ~ 4 0
101 Cl* NGC 7078 SAW V90 RR* 21 30 00.4540755563 +12 10 07.458353133   16.151 15.754   15.210 ~ 5 0
102 Cl* NGC 7078 VGG 11423 RR* 21 30 00.4561370137 +12 10 13.292191458   16.244 15.854     ~ 8 0
103 NGC 7078 732 RR* 21 30 00.5769106536 +12 09 05.186349756   16.139 15.705   15.025 ~ 15 0
104 Cl* NGC 7078 CBS 8 RR* 21 30 00.82 +12 09 42.8     16.8     ~ 2 0
105 Cl* NGC 7078 VGG 20118 RR* 21 30 00.8536974489 +12 09 56.499406960   16.181 15.767   15.284 ~ 7 0
106 NGC 7078 754 RR* 21 30 00.8798257632 +12 08 37.373069292   16.186 15.883   15.440 ~ 20 0
107 Cl* NGC 7078 VGG 20097 RR* 21 30 00.8883933991 +12 09 55.667070904   16.222 15.812   15.161 ~ 5 0
108 NGC 7078 765A RR* 21 30 00.9227695306 +12 12 49.013898480           ~ 21 1
109 NGC 7078 770 RR* 21 30 01.0435869816 +12 10 45.345565380   16.274 15.855   15.327 ~ 9 0
110 Cl* NGC 7078 VGG 21552 RR* 21 30 01.17 +12 10 11.0     15.7     ~ 6 0
111 Cl* NGC 7078 SAW V111 RR* 21 30 01.1792915403 +12 10 02.948654166   16.663 16.3     ~ 3 0
112 NGC 7078 777 RR* 21 30 01.2549777127 +12 09 59.194117579   16.177 15.711   15.029 ~ 17 0
113 Cl* NGC 7078 SAW V63 RR* 21 30 01.5622296590 +12 10 33.833033264   16.307 15.776   15.105 ~ 7 0
114 NGC 7078 805 RR* 21 30 01.9161508610 +12 09 03.964364765   16.159 15.612   14.927 ~ 13 0
115 NGC 7078 820 RR* 21 30 02.1478557458 +12 10 03.552202074   16.249 15.780   15.156 ~ 15 0
116 NGC 7078 822 RR* 21 30 02.1800475552 +12 10 35.360858345   16.141 15.645   15.028 ~ 13 0
117 NGC 7078 827 RR* 21 30 02.2602559680 +12 12 33.410731608   16.193 15.887   15.418 ~ 15 0
118 NGC 7078 835 RR* 21 30 02.5867814952 +12 09 08.022739248   16.090 15.715   15.141 ~ 18 0
119 NGC 7078 847 RR* 21 30 02.6664763224 +12 10 31.499724000   16.192 15.779   15.220 ~ 11 0
120 NGC 7078 850 RR* 21 30 02.7422553336 +12 09 44.366569632   16.277 15.746   15.076 ~ 16 0
121 NGC 7078 854 RR* 21 30 02.8052514643 +12 09 31.753559259   16.166 15.694   15.089 ~ 14 0
122 Cl* NGC 7078 GEB 1415 RR* 21 30 02.8686930920 +12 10 30.705871984     18.2     ~ 2 0
123 Cl* NGC 7078 CBS 9 RR* 21 30 02.9088084096 +12 10 09.136575561   16.370 15.826   15.158 ~ 5 0
124 NGC 7078 867 RR* 21 30 03.1046810904 +12 10 32.009742444   16.292 15.792   15.151 ~ 13 0
125 NGC 7078 872 RR* 21 30 03.3870791904 +12 09 08.230929192   16.142 15.793   15.350 ~ 16 0
126 NGC 7078 886 RR* 21 30 03.4985638656 +12 11 43.794144672   16.185 15.846   15.397 ~ 24 0
127 NGC 7078 891 RR* 21 30 03.7724996448 +12 09 53.463990708   16.266 15.779   15.137 ~ 18 0
128 NGC 7078 901 RR* 21 30 03.9236794200 +12 11 53.274374988   16.104 15.753   15.274 ~ 29 0
129 NGC 7078 920 RR* 21 30 04.4673673968 +12 10 06.875659452   16.253 15.800   15.252 ~ 20 0
130 NGC 7078 942 RR* 21 30 05.0688476208 +12 12 12.874289544   16.186 15.854   15.356 ~ 17 0
131 NGC 7078 964 RR* 21 30 05.7895378128 +12 12 43.896421692   16.173 15.47   15.319 ~ 24 0
132 NGC 7078 976 RR* 21 30 06.8280324024 +12 10 05.156958936   16.214 15.869   15.413 ~ 14 0
133 NGC 7078 980 RR* 21 30 06.9328108728 +12 08 54.994647984   16.384 15.40   15.386 ~ 22 0
134 NGC 7078 986 RR* 21 30 07.2550498080 +12 08 06.749023020   16.213 15.885   15.346 ~ 21 0
135 NGC 7078 1022 RR* 21 30 09.4161739233 +12 11 43.631558425   16.171 15.945   15.563 ~ 22 0

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