1997PASP..109.1128R

Query : 1997PASP..109.1128R

1997PASP..109.1128R - Publ. Astron. Soc. Pac., 109, 1128-1144 (1997/October-0)

Period changes of RR Lyrae stars in globular clusters.

RATHBUN P.G. and SMITH H.A.

Abstract (from CDS):

We have used data from the literature to reexamine the period changes of RR Lyrae variables in seven globular clusters. There is a tendency for the ore extreme rates of period change to be found in RRab rather than RRcd stars. Particularly absent from the RRcd star sample are stars showing large rates of period decrease, a result which may in part reflect the small proportion of RRcd variables in Oosterhoff type I clusters. The apparent coupling of period change to pulsation mode is not easily interpreted as an evolutionary effect, and appears to be without adequate explanation.

Abstract Copyright: ∼

Journal keyword(s): Stellar Clusters and Associations

Simbad objects: 50

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Number of rows : 50
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 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
2 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
3 Cl* NGC 6121 SAW V34 RR* 16 22 33.6370242792 -26 24 46.659692520 15.47 14.73 14.02   12.77 ~ 19 0
4 Cl* NGC 6121 SAW V35 RR* 16 23 06.5705996112 -26 30 27.183566880 14.42 14.14 13.38 12.84 12.30 ~ 24 0
5 Cl* NGC 6121 SAW V1 RR* 16 23 13.6528647648 -26 30 53.801983620 14.56 14.02 13.43 13.00 12.54 hF2 21 0
6 Cl* NGC 6121 SAW V2 RR* 16 23 16.2789549528 -26 34 46.736874300 14.50 14.12 13.41 12.91 12.39 hF6 46 0
7 Cl* NGC 6121 SAW V36 RR* 16 23 19.4338955904 -26 35 49.180956324 14.42 14.13 13.42 13.03 12.40 ~ 16 0
8 Cl* NGC 6121 SAW V3 RR* 16 23 19.4539279200 -26 39 57.108554784 14.71 13.65 13.01   12.28 ~ 24 0
9 Cl* NGC 6121 SAW V5 RR* 16 23 21.0038647992 -26 33 05.995416960 14.57 14.12 13.37 12.84 12.28 ~ 25 0
10 Cl* NGC 6121 SAW V6 RR* 16 23 25.7727023760 -26 26 16.409065056 14.41 14.08 13.45 13.00 12.50 hF2.5 26 0
11 Cl* NGC 6121 SAW V7 RR* 16 23 25.9326520704 -26 27 41.992981632 14.56 14.09 13.42 12.94 12.40 ~ 26 0
12 Cl* NGC 6121 SAW V8 RR* 16 23 26.1306045480 -26 29 41.746261200 13.96 13.98 13.32 12.85 12.33 hF6 23 0
13 Cl* NGC 6121 SAW V9 RR* 16 23 26.7749776200 -26 29 48.109879104 14.48 13.98 13.30 12.82 12.30 hF6.5 24 0
14 Cl* NGC 6121 SAW V10 RR* 16 23 29.1850701648 -26 28 54.380056584 14.66 13.95 13.33 12.88 12.38 hF5.5 25 0
15 Cl* NGC 6121 SAW V11 RR* 16 23 29.9648427168 -26 36 24.591746844 14.53 14.07 13.40 12.93 12.41 hF1 26 0
16 Cl* NGC 6121 SAW V12 RR* 16 23 30.7949350344 -26 34 59.034149076 14.49 14.23 13.58 13.10 12.54 ~ 26 0
17 Cl* NGC 6121 SAW V14 RR* 16 23 31.2739930608 -26 35 34.666425996 14.63 14.26 13.59 13.10 12.58 hF5.5 25 0
18 Cl* NGC 6121 SAW V15 RR* 16 23 31.9470876936 -26 24 18.222455232 14.99 14.45 13.69 13.08 12.63 hF5.5 59 0
19 Cl* NGC 6121 SAW V16 RR* 16 23 32.4789935064 -26 30 23.069688408 14.47 14.05 13.34 12.85 12.31 ~ 22 0
20 Cl* NGC 6121 SAW V39 RR* 16 23 34.6513169424 -26 32 52.243941012 14.66 14.20 13.43 12.89 12.29 ~ 19 0
21 Cl* NGC 6121 SAW V19 RR* 16 23 35.0316611040 -26 25 36.490688508 14.26 14.01 13.38 12.92 12.38 hF4.5 28 0
22 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
23 Cl* NGC 6121 SAW V23 RR* 16 23 37.3099879632 -26 31 56.282261664 14.28 13.75 13.19 12.78 12.41 ~ 18 0
24 Cl* NGC 6121 SAW V24 RR* 16 23 38.0192937192 -26 30 41.866754724 14.60 14.02 13.33 12.84 12.31 ~ 23 0
25 Cl* NGC 6121 SAW V25 RR* 16 23 39.3979780920 -26 30 21.395047284 14.07 13.94 13.23 12.74 12.20 ~ 23 0
26 Cl* NGC 6121 SAW V41 RR* 16 23 39.4866899832 -26 33 59.903234568 14.61 14.03 13.49 13.09 12.64 ~ 16 0
27 Cl* NGC 6121 SAW V26 RR* 16 23 41.6371283688 -26 32 41.264431764 14.46 13.87 13.25 12.79 12.27 hF0.5 23 0
28 Cl* NGC 6121 SAW V27 RR* 16 23 43.1526941376 -26 27 16.387433172 14.22 13.90 13.21 12.73 12.18 hF6 31 0
29 SV* R 372 RR* 16 23 53.5917856608 -26 30 05.357816136 14.07 13.79 13.19 12.75 12.23 ~ 29 0
30 Cl* NGC 6121 SAW V29 RR* 16 23 58.2371252376 -26 21 35.139365604 14.20 13.90 13.28 12.83 12.31 hF4 39 0
31 Cl* NGC 6121 SAW V30 RR* 16 23 59.6423836440 -26 32 34.354010328 14.16 13.84 13.32 12.94 12.48 hF2 23 0
32 Cl* NGC 6121 SAW V31 RR* 16 24 00.6305928408 -26 30 42.102559584 14.12 13.77 13.20 12.77 12.32 ~ 24 0
33 Cl* NGC 6121 SAW V42 RR* 16 24 01.9888523544 -26 22 13.078053444 14.14 13.78 13.24 12.87 12.36 B/A 25 0
34 Cl* NGC 6121 SAW V32 RR* 16 24 29.6846036928 -26 32 02.538655440 14.12 13.83 13.18 12.70 12.04 ~ 40 0
35 Cl* NGC 6121 SAW V33 RR* 16 24 33.3276641112 -26 20 58.003263312 13.94 13.65 13.03 12.58 12.08 ~ 39 0
36 Cl* NGC 6121 SAW V43 RR* 16 25 07.4485610856 -26 25 44.026225284 13.86 13.60 13.08     ~ 19 0
37 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
38 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 459 0
39 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 562 0
40 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
41 Cl* NGC 5272 SZE V105 RR* ~ ~           ~ 2 0
42 Cl* NGC 5272 SZE V90 * ~ ~           ~ 1 0
43 Cl* NGC 5272 SZE V117 * ~ ~           ~ 1 0
44 Cl* NGC 5272 SZE V108 * ~ ~           ~ 1 0
45 Cl* NGC 5272 SZE V93 * ~ ~           ~ 1 0
46 Cl* NGC 5272 SZE V116 * ~ ~           ~ 1 0
47 Cl* NGC 5272 SZE V106 * ~ ~           ~ 1 0
48 Cl* NGC 5272 SZE V92 * ~ ~           ~ 1 0
49 Cl* NGC 5272 SZE V123 * ~ ~           ~ 1 0
50 Cl* NGC 5272 SZE V113 * ~ ~           ~ 1 0

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