2011ApJ...727....9C

Query : 2011ApJ...727....9C

2011ApJ...727....9C - Astrophys. J., 727, 9 (2011/January-3)

The unusual RR Lyrae population of NGC 6101.

COHEN R.E., SARAJEDINI A., KINEMUCHI K. and LEITON R.

Abstract (from CDS):

We use V-band time-series data to analyze the RR Lyrae (RRL) population of the Galactic globular cluster NGC 6101. Using template fitting, we have discovered seven new RRL stars and confirmed 10 candidates. We find unusually long mean periods for the RRL of ab> = 0.803 days and c > = 0.393 days, and an atypically high ratio of n(c)/n(ab + c) = 0.82. Based on our derived mean properties of the RRL, NGC 6101 is Oosterhoff type II, consistent with the cluster metallicity but intriguing with respect to its kinematics.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: kinematics and dynamics - globular clusters: individual: NGC 6101 - stars: horizontal-branch - stars: variables: RR Lyrae

VizieR on-line data: <Available at CDS (J/ApJ/727/9): table2.dat table3.dat table4.dat>

Nomenclature: Table 2: Cl* NGC 6101 Saw VNN (Nos 16-22) added. Table 3: [CSK2011] NNNNN N=10811 among (Nos 1-11032).

Simbad objects: 40

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Number of rows : 40
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 NAME Magellanic Stream HVC 00 32 -30.0           ~ 1079 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 NAME CMa Dwarf Galaxy G 07 12.6 -27 40     -0.1     ~ 203 1
6 V* W UMa SB* 09 43 45.4704536952 +55 57 09.061630668   8.54 7.75     G2Vn 686 0
7 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 616 0
8 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 907 0
9 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
10 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
11 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 424 0
12 Cl* NGC 6101 SAW V16 RR* 16 24 45.6716952168 -72 15 02.651753880   16.602 16.462     ~ 3 0
13 Cl* NGC 6101 SAW V17 RR* 16 25 04.9095995922 -72 07 10.974438194   16.658 16.224     ~ 2 0
14 Cl* NGC 6101 SAW V22 RR* 16 25 17.10 -72 11 41.3   16.786 16.505     ~ 2 0
15 Cl* NGC 6101 SAW V7 RR* 16 25 19.7270219448 -72 10 50.620908612   16.72 16.640     ~ 5 0
16 Cl* NGC 6101 SAW V18 RR* 16 25 27.6118354056 -72 16 13.718504028   16.866 16.397     ~ 3 0
17 Cl* NGC 6101 SAW V10 RR* 16 25 30.2883676200 -72 12 48.394689516   16.68 16.608     ~ 5 0
18 Cl* NGC 6101 SAW V19 RR* 16 25 33.9972723312 -72 08 58.616248056   16.729 16.536     ~ 2 0
19 NGC 6101 GlC 16 25 48.12 -72 12 07.9           ~ 337 0
20 Cl* NGC 6101 SAW V9 RR* 16 25 48.3498456192 -72 11 24.686452356   16.64 16.686     ~ 6 0
21 Cl* NGC 6101 SAW V6 RR* 16 25 50.3912273616 -72 11 09.957459408   16.66 16.373     ~ 6 0
22 Cl* NGC 6101 SAW V2 RR* 16 26 01.6846797912 -72 13 30.265538088   16.66 16.440     ~ 5 0
23 Cl* NGC 6101 SAW V1 RR* 16 26 02.7193057845 -72 11 14.159509503   16.60 16.381     ~ 4 0
24 Cl* NGC 6101 SAW V20 RR* 16 26 05.7982775568 -72 12 12.639683520   16.627 16.254     ~ 6 0
25 Cl* NGC 6101 SAW V3 RR* 16 26 12.2760822336 -72 12 59.930550612   16.50 16.640     ~ 7 0
26 Cl* NGC 6101 SAW V4 RR* 16 26 15.7705227528 -72 11 53.353723128   16.68 16.520     ~ 5 0
27 Cl* NGC 6101 SAW V8 RR* 16 26 22.7153065416 -72 11 28.311716904   16.52 16.532     ~ 5 0
28 Cl* NGC 6101 SAW V5 RR* 16 26 29.2496949696 -72 09 51.405967908   16.78 16.453     ~ 5 0
29 Cl* NGC 6101 SAW V21 RR* 16 26 57.2945826226 -72 08 50.286983662   16.817 16.486     ~ 2 0
30 ClG 1710-2507 ClG 17 13 39 -25 11.1           ~ 19 0
31 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
32 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
33 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
34 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 455 0
35 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 384 0
36 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 913 0
37 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 357 0
38 Cl* NGC 6101 SAW V15 * ~ ~   15.33       ~ 2 0
39 Cl* NGC 6101 SAW V11 * ~ ~   16.66       ~ 2 0
40 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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