2021MNRAS.502..818H

Query : 2021MNRAS.502..818H

2021MNRAS.502..818H - Mon. Not. R. Astron. Soc., 502, 818-835 (2021/March-3)

Periods and classifications of RR Lyrae stars in the globular cluster M15.

HOFFMAN A.M., MURAKAMI Y.S., ZHENG W., STAHL B.E. and FILIPPENKO A.V.

Abstract (from CDS):

We present measurements of the periods, amplitudes, and types of 74 RR Lyrae stars in the globular cluster M15 derived from Nickel 1 m telescope observations conducted at Lick Observatory in 2019 and 2020. Of these RR Lyrae stars, two were previously reported but without a determination of the period. In addition, we identify five Type II Cepheid variable stars for which we report three novel period determinations, and a further 34 stars with uncertain classifications and periods. We discuss the development and subsequent application to our data of a new PYTHON package, Period-determination and Identification Pipeline Suite (PIPS), based on a new adaptive free-form fitting technique to detect the periods of variable stars with a clear treatment of uncertainties.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): methods: data analysis - techniques: photometric - stars: evolution - stars: variables: RR Lyrae - globular clusters: individual: M15

VizieR on-line data: <Available at CDS (J/MNRAS/502/818): tablea1.dat>

Simbad objects: 126

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Number of rows : 126
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 OGLE BLG-RRLYR-9258 RR* 17 58 28.1098871712 -30 53 34.928268720     18.294   16.479 ~ 9 0
2 NGC 7078 30 RR* 21 29 35.7423507912 +12 09 14.330252880   16.09 15.51     ~ 22 0
3 Cl* NGC 7078 SAN 4 RR* 21 29 41.2472882904 +12 05 27.091303908   16.0 15.67     ~ 19 0
4 NGC 7078 61 RR* 21 29 41.3580378672 +12 09 14.173044444   16.17 15.57     ~ 22 0
5 Cl* NGC 7078 SAW V123 RR* 21 29 42.9 +12 09 53           ~ 2 0
6 NGC 7078 91 RR* 21 29 46.5277607391 +12 10 07.586566748   16.11 15.16     ~ 22 0
7 NGC 7078 102 RR* 21 29 47.0155496184 +12 09 57.988140228   16.23 15.00     ~ 31 0
8 Cl* NGC 7078 SAW V1 WV* 21 29 50.1793135296 +12 10 26.505641928   15.412 15.009   14.385 A9 31 0
9 Cl* NGC 7078 SAW V31 RR* 21 29 50.4804970214 +12 14 07.002597059   16.23 15.86     ~ 22 0
10 NGC 7078 162 RR* 21 29 50.6427504288 +12 07 17.774341500   16.15 15.27     ~ 21 0
11 NGC 7078 173 RR* 21 29 50.9885793325 +12 09 55.762974982   16.216 15.877   15.341 ~ 20 0
12 NGC 7078 177 RR* 21 29 51.3085807326 +12 09 23.867233285   16.317 15.802   15.145 ~ 17 0
13 NGC 7078 186 RR* 21 29 51.5224580712 +12 06 29.161226879   16.12 15.80     ~ 19 0
14 NGC 7078 210 RR* 21 29 52.0267743888 +12 08 11.607339732   16.213 15.828   15.310 ~ 34 0
15 ZTF J212952.23+120611.2 EB* 21 29 52.24 +12 06 11.3           ~ 6 0
16 NGC 7078 227 RR* 21 29 52.3719063288 +12 09 52.200305568   16.251 15.881   15.303 ~ 25 0
17 NGC 7078 242 RR* 21 29 52.8470300472 +12 10 31.478511612   16.240 15.779   15.143 ~ 17 0
18 NGC 7078 264 RR* 21 29 53.3819485910 +12 10 41.089331761   16.062 15.741   15.210 ~ 13 0
19 NGC 7078 275 RR* 21 29 53.6275697712 +12 08 10.279444416   16.250 15.892   15.389 ~ 22 0
20 NGC 7078 282 V* 21 29 53.6 +12 10 48           ~ 3 0
21 NGC 7078 281 RR* 21 29 53.7052652568 +12 09 21.065478480   16.236 15.802   15.205 ~ 17 0
22 NGC 7078 321 RR* 21 29 54.4767179869 +12 10 11.087396436   16.214 15.830   15.152 ~ 18 0
23 Cl* NGC 7078 SAW V34 cC* 21 29 54.5071228401 +12 09 07.119248140     15.6     ~ 10 0
24 NGC 7078 332 RR* 21 29 54.7618295240 +12 11 49.845931885   16.194 15.774   15.205 ~ 19 0
25 NGC 7078 350 RR* 21 29 55.1010588552 +12 10 22.326590424   16.145 15.765   15.207 ~ 14 0
26 NGC 7078 380 RR* 21 29 55.4876221097 +12 09 33.792180199   16.180 15.776   15.196 ~ 14 0
27 Cl* NGC 7078 ZK 81 RR* 21 29 55.7633139908 +12 09 36.872674280   16.536 16.002   15.236 ~ 8 0
28 Cl* NGC 7078 SAW V71 RR* 21 29 55.9119238442 +12 09 50.036789011   16.301 15.884   15.238 ~ 7 0
29 Cl* NGC 7078 GEB 916 RR* 21 29 55.9555613184 +12 09 43.255093032   16.279 15.854   15.217 ~ 13 0
30 Cl* NGC 7078 SAW V35 RR* 21 29 56.0200639560 +12 07 18.931730988       16.005   ~ 21 0
31 NGC 7078 420 RR* 21 29 56.1011015244 +12 10 14.891800743   16.185 15.773   15.181 ~ 9 0
32 Cl* NGC 7078 ZK 73 RR* 21 29 56.13 +12 10 17.0           ~ 4 0
33 2MASS J21295618+1210179 RG* 21 29 56.1791460960 +12 10 17.932968768   13.92 12.72     ~ 18 0
34 NGC 7078 431 RG* 21 29 56.1807152208 +12 12 33.705816948   13.83 12.73   11.51 ~ 48 0
35 Cl* NGC 7078 ZK 75 RR* 21 29 56.22 +12 09 37.9           ~ 3 0
36 Cl* NGC 7078 GEB 742 V* 21 29 56.3 +12 10 12     16.6     ~ 2 0
37 NGC 7078 437 RR* 21 29 56.4007348812 +12 08 41.217276297   16.268 15.853   15.208 ~ 17 0
38 NGC 7078 463 RR* 21 29 56.6734246176 +12 09 55.446471720   16.255 15.791   15.082 ~ 14 0
39 Cl* NGC 7078 SAW V81 RR* 21 29 56.8047702411 +12 09 57.556176725   16.348 15.812   15.061 ~ 9 0
40 Cl* NGC 7078 SAW V82 RR* 21 29 56.8530130032 +12 10 04.586300724   16.154 15.664   15.043 ~ 8 0
41 Cl* NGC 7078 ZK 31 RR* 21 29 57.600 +12 09 39.61   16.288 16.076   15.143 ~ 5 1
42 Cl* NGC 7078 SAW V155 RR* 21 29 57.61 +12 10 09.8           ~ 4 0
43 Cl* NGC 7078 SAW V78 RR* 21 29 57.7999896171 +12 10 50.218262158   16.246 15.699   15.103 ~ 11 0
44 Cl* NGC 7078 SAW V129 RR* 21 29 57.8249531965 +12 09 48.533669756   16.005 15.573     ~ 8 0
45 Cl* NGC 7078 SAW V73 RR* 21 29 58.0087413545 +12 10 22.898771455   16.176 15.767   15.216 ~ 6 0
46 Cl* NGC 7078 BSR 10039 * 21 29 58.1089790587 +12 10 11.814698800           ~ 4 0
47 Cl* NGC 7078 SAW V114 RR* 21 29 58.1608788952 +12 10 52.742472971     17.3     ~ 5 0
48 Cl* NGC 7078 SAW V72 RR* 21 29 58.19 +12 10 37.2   15.4 15.0     ~ 3 0
49 NGC 7078 564 RR* 21 29 58.1933027208 +12 12 09.883495224   16.241 15.795   15.178 ~ 22 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 V75 RR* 21 29 58.4500333692 +12 09 31.671670732   16.28 16.136   15.259 ~ 8 0
53 Cl* NGC 7078 SAW V94 RR* 21 29 58.4502433858 +12 10 31.032255391           ~ 7 0
54 Cl* NGC 7078 ZK 33 WV* 21 29 58.5 +12 09 21           ~ 3 0
55 Cl* NGC 7078 ZK 35 WV* 21 29 58.6 +12 10 02           ~ 2 0
56 NGC 7078 590 RR* 21 29 58.6451790409 +12 11 34.082182491   16.192 15.827   15.334 ~ 22 0
57 Cl* NGC 7078 BSR 135 V* 21 29 58.7 +12 09 40           ~ 4 0
58 Cl* NGC 7078 BSR 7600 RR* 21 29 58.7289790586 +12 10 11.464698800           ~ 4 0
59 Cl* NGC 7078 SAW V113 RR* 21 29 58.7635058771 +12 05 53.051988842     15.696     ~ 8 0
60 Cl* NGC 7078 SAW V38 RR* 21 29 58.8282340368 +12 07 36.551809992   16.200 15.839 15.888 15.338 ~ 23 0
61 Cl* NGC 7078 BSR 2954 * 21 29 58.8576457253 +12 09 57.834698800           ~ 4 0
62 NGC 7078 599 * 21 29 58.895 +12 09 21.79           ~ 4 0
63 NGC 7078 611 RR* 21 29 58.9465405824 +12 11 16.477894356   16.180 15.770   15.316 ~ 22 0
64 NGC 7078 612 RR* 21 29 58.9669681315 +12 11 31.017900240   16.159 15.745   15.255 ~ 23 0
65 Cl* NGC 7078 SAW V77 RR* 21 29 59.030 +12 09 36.90   16.118 16.183   15.051 ~ 5 1
66 NGC 7078 610 * 21 29 59.083 +12 09 37.54   16.85 16.34     ~ 5 0
67 Cl* NGC 7078 ZK 28 V* 21 29 59.1 +12 09 53           ~ 2 0
68 Cl* NGC 7078 SAW V86 WV* 21 29 59.1547288151 +12 10 07.104339976   14.380 13.669   12.659 ~ 18 0
69 NGC 7078 632 RR* 21 29 59.2126567344 +12 12 21.591066852   16.110 15.711   15.137 ~ 20 0
70 Cl* NGC 7078 SAW V100 RR* 21 29 59.2853713375 +12 09 23.905717727   16.169 16.6     ~ 7 0
71 Cl* NGC 7078 SAW V117 RR* 21 29 59.2935943004 +12 09 26.908187244   17.020 16.7     ~ 5 0
72 Cl* NGC 7078 ZK 24 RR* 21 29 59.34 +12 10 03.2   16.066 15.740     ~ 5 0
73 Cl* NGC 7078 ZK 21 RR* 21 29 59.3629367763 +12 09 56.425307251   16.334 15.909   15.002 ~ 6 0
74 Cl* NGC 7078 SAW V116 RR* 21 29 59.42 +12 09 13.4           ~ 3 0
75 Cl* NGC 7078 SAW V84 RR* 21 29 59.4840875581 +12 09 48.411216191   16.188 16.005   15.435 ~ 6 0
76 NGC 7078 657 RR* 21 29 59.6021963472 +12 10 55.679517092   16.133 15.847   15.389 ~ 9 0
77 Cl* NGC 7078 SAW V119 RR* 21 29 59.6274372868 +12 10 07.156763090   16.728 16.050   15.099 ~ 5 0
78 Cl* NGC 7078 ZK 16 V* 21 29 59.7 +12 09 40           ~ 5 0
79 NGC 7078 659 RR* 21 29 59.6968308672 +12 07 58.327239144   16.274 15.892   15.397 ~ 25 0
80 Cl* NGC 7078 SAW V26 RR* 21 29 59.6972347440 +12 15 34.578499320   16.25 15.72     ~ 21 0
81 Cl* NGC 7078 SAW V171 RR* 21 29 59.7988292601 +12 09 39.602714461   16.514 16.157   15.131 ~ 8 0
82 NGC 7078 680 RR* 21 29 59.8961237328 +12 11 19.436793108   16.224 15.797   15.156 ~ 21 0
83 Cl* NGC 7078 CBS 13 RR* 21 30 00.0066249167 +12 09 38.894795052   16.264 15.961     ~ 6 0
84 NGC 7078 705 RR* 21 30 00.2813569896 +12 09 29.143469592   16.218 15.820   15.176 ~ 11 0
85 NGC 7078 717 RR* 21 30 00.33 +12 13 15.7   15.69 15.808     ~ 13 0
86 Cl* NGC 7078 SAW V90 RR* 21 30 00.4540755563 +12 10 07.458353133   16.151 15.754   15.210 ~ 5 0
87 NGC 7078 732 RR* 21 30 00.5769106536 +12 09 05.186349756   16.139 15.705   15.025 ~ 15 0
88 NGC 7078 725 * 21 30 00.58 +12 09 22.8           ~ 3 0
89 NGC 7078 754 RR* 21 30 00.8798257632 +12 08 37.373069292   16.186 15.883   15.440 ~ 20 0
90 NGC 7078 765 ** 21 30 00.919704 +12 12 49.11912   15.506 15.191 14.906   ~ 12 0
91 NGC 7078 765A RR* 21 30 00.9227695306 +12 12 49.013898480           ~ 21 1
92 NGC 7078 770 RR* 21 30 01.0435869816 +12 10 45.345565380   16.274 15.855   15.327 ~ 9 0
93 Cl* NGC 7078 SAW V111 RR* 21 30 01.1792915403 +12 10 02.948654166   16.663 16.3     ~ 3 0
94 NGC 7078 777 RR* 21 30 01.2549777127 +12 09 59.194117579   16.177 15.711   15.029 ~ 17 0
95 Cl* NGC 7078 SAW V63 RR* 21 30 01.5622296590 +12 10 33.833033264   16.307 15.776   15.105 ~ 7 0
96 NGC 7078 805 RR* 21 30 01.9161508610 +12 09 03.964364765   16.159 15.612   14.927 ~ 13 0
97 NGC 7078 820 RR* 21 30 02.1478557458 +12 10 03.552202074   16.249 15.780   15.156 ~ 15 0
98 NGC 7078 822 RR* 21 30 02.1800475552 +12 10 35.360858345   16.141 15.645   15.028 ~ 13 0
99 NGC 7078 827 RR* 21 30 02.2602559680 +12 12 33.410731608   16.193 15.887   15.418 ~ 15 0
100 NGC 7078 835 RR* 21 30 02.5867814952 +12 09 08.022739248   16.090 15.715   15.141 ~ 18 0
101 NGC 7078 847 RR* 21 30 02.6664763224 +12 10 31.499724000   16.192 15.779   15.220 ~ 11 0
102 NGC 7078 850 RR* 21 30 02.7422553336 +12 09 44.366569632   16.277 15.746   15.076 ~ 16 0
103 NGC 7078 854 RR* 21 30 02.8052514643 +12 09 31.753559259   16.166 15.694   15.089 ~ 14 0
104 NGC 7078 867 RR* 21 30 03.1046810904 +12 10 32.009742444   16.292 15.792   15.151 ~ 13 0
105 NGC 7078 872 RR* 21 30 03.3870791904 +12 09 08.230929192   16.142 15.793   15.350 ~ 16 0
106 NGC 7078 886 RR* 21 30 03.4985638656 +12 11 43.794144672   16.185 15.846   15.397 ~ 24 0
107 NGC 7078 891 RR* 21 30 03.7724996448 +12 09 53.463990708   16.266 15.779   15.137 ~ 18 0
108 NGC 7078 901 RR* 21 30 03.9236794200 +12 11 53.274374988   16.104 15.753   15.274 ~ 29 0
109 NGC 7078 894 RR* 21 30 03.9699344400 +12 04 59.416387896   16.26 15.76     ~ 18 0
110 NGC 7078 920 RR* 21 30 04.4673673968 +12 10 06.875659452   16.253 15.800   15.252 ~ 20 0
111 NGC 7078 942 RR* 21 30 05.0688476208 +12 12 12.874289544   16.186 15.854   15.356 ~ 17 0
112 NGC 7078 964 RR* 21 30 05.7895378128 +12 12 43.896421692   16.173 15.47   15.319 ~ 24 0
113 NGC 7078 976 RR* 21 30 06.8280324024 +12 10 05.156958936   16.214 15.869   15.413 ~ 14 0
114 NGC 7078 980 RR* 21 30 06.9328108728 +12 08 54.994647984   16.384 15.40   15.386 ~ 22 0
115 NGC 7078 986 RR* 21 30 07.2550498080 +12 08 06.749023020   16.213 15.885   15.346 ~ 21 0
116 Cl* NGC 7078 SAW V29 RR* 21 30 09.2596196328 +12 13 35.110796268   16.28 15.90 15.81   ~ 17 1
117 NGC 7078 1017 RR* 21 30 09.3739564272 +12 09 12.945359484           ~ 14 0
118 NGC 7078 1022 RR* 21 30 09.4161739233 +12 11 43.631558425   16.171 15.945   15.563 ~ 22 0
119 Cl* NGC 7078 SAW V96 RR* 21 30 09.4483800432 +12 13 38.629243932   16.26 15.91     ~ 14 0
120 NGC 7078 1034 RR* 21 30 09.9949875696 +12 09 42.425565552   16.14 15.85     ~ 19 0
121 Cl* NGC 7078 SAW V23 RR* 21 30 11.2180452480 +12 14 19.977903132   16.21 15.38     kA5hF6 22 0
122 NGC 7078 1055 RR* 21 30 11.3783976240 +12 09 42.038810208   16.32 15.42     ~ 23 0
123 Cl* NGC 7078 SAW V27 RR* 21 30 13.28 +12 14 12.3           ~ 4 0
124 Cl* NGC 7078 SAW V42 RR* 21 30 13.7549554512 +12 09 27.449831016   16.21 15.90     ~ 17 0
125 Cl* NGC 7078 SAW V122 RR* 21 30 15.8 +12 10 27           ~ 2 0
126 NGC 7078 1093 RR* 21 30 18.9006104448 +12 09 54.167324184   16.26 15.66     ~ 23 0

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