1998AJ....115..725D

Query : 1998AJ....115..725D

1998AJ....115..725D - Astron. J., 115, 725-733 (1998/February-0)

Stellar populations and variable stars in the core of the globular cluster M5.

DRISSEN L. and SHARA M.M.

Abstract (from CDS):

We report the discovery of a variable blue straggler in the core of the globular cluster M5, based on a 12 hr-long series of images obtained with the Planetary Camera aboard the Hubble Space Telescope. In addition, we present the light curves of 28 previously unknown or poorly studied large-amplitude variable stars (all but one are RR Lyrae stars) in the cluster core. A (V, U - I) color-magnitude diagram shows 24 blue stragglers within 2 core radii of the cluster center. The blue straggler population is significantly more centrally concentrated than the horizontal-branch and red giant stars.

Abstract Copyright: ∼

Journal keyword(s): Stars: Blue Stragglers - Galaxy: Globular Clusters: Individual: Messier Number: M5 - Stars: Variables: RR Lyrae Variable

Nomenclature: Table 1: Cl* NGC 5904 DS VNN (Nos V1-V29)

Simbad objects: 33

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Number of rows : 33
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 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
2 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
3 Cl* NGC 5904 KUST 371 RR* 15 18 30.3135976128 +02 05 06.394871796   15.23 15.29     ~ 14 1
4 Cl* NGC 5904 DS 3 RR* 15 18 30.839 +02 05 00.58   15.29 15.05     ~ 9 0
5 Cl* NGC 5904 KUST 408 RR* 15 18 30.876 +02 04 42.41   15.331 15.048     ~ 8 0
6 Cl* NGC 5904 KUST 415 RR* 15 18 30.9401950152 +02 05 26.005697988           ~ 20 0
7 Cl* NGC 5904 KUST 468 RR* 15 18 31.780 +02 05 07.91   15.38 15.04     ~ 8 0
8 Cl* NGC 5904 DS V23 RR* 15 18 32.073 +02 04 45.06           ~ 7 0
9 Cl* NGC 5904 REID 315 RR* 15 18 32.0928667403 +02 05 22.705172908   14.966 14.854     ~ 9 0
10 Cl* NGC 5904 DS 5 RR* 15 18 32.135 +02 05 02.25   15.41 15.16     ~ 7 0
11 Cl* NGC 5904 DS V9 RR* 15 18 32.239 +02 05 06.95   15.426 15.120     ~ 8 0
12 ZTF J151832.52+020522.9 RR* 15 18 32.5084960238 +02 05 22.956786320     15.091   14.596 ~ 12 0
13 Cl* NGC 5904 DS 6 RR* 15 18 32.64 +02 04 58.1   15.34 15.04     ~ 5 0
14 Cl* NGC 5904 KUST 542 RR* 15 18 32.680 +02 05 32.20     15.129   14.695 ~ 15 0
15 Cl* NGC 5904 DS V19 RR* 15 18 32.83 +02 04 50.1   15.34 15.07     ~ 4 0
16 Cl* NGC 5904 DS 1 RR* 15 18 32.8898331914 +02 05 05.185493580   15.571 15.343     ~ 12 0
17 Cl* NGC 5904 DS V26 RR* 15 18 32.9465988264 +02 04 42.574768212   15.690 15.328   14.574 ~ 11 0
18 Cl* NGC 5904 DS 21 RR* 15 18 32.996 +02 04 59.17           ~ 10 0
19 Cl* NGC 5904 DS V28 * 15 18 33.0 +02 04 37   15.44 15.11     ~ 5 0
20 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
21 Cl* NGC 5904 KUST 577 RR* 15 18 33.2649353408 +02 05 18.509311823           ~ 12 0
22 Cl* NGC 5904 DS V24 RR* 15 18 33.322 +02 04 45.96           ~ 9 0
23 Cl* NGC 5904 DS V16 RR* 15 18 33.35 +02 04 57.3           ~ 4 0
24 Cl* NGC 5904 DS V6 RR* 15 18 33.35 +02 05 11.1           ~ 5 0
25 Cl* NGC 5904 KUST 615 RR* 15 18 33.884 +02 04 57.48   15.410 15.160     ~ 7 0
26 Cl* NGC 5904 DS V22 RR* 15 18 33.932 +02 04 46.95           ~ 10 0
27 Cl* NGC 5904 DS 11 RR* 15 18 34.1342374253 +02 05 04.778005717   15.37 15.00     ~ 10 0
28 Cl* NGC 5904 KUST 648 RR* 15 18 34.320 +02 04 34.81           ~ 7 0
29 Cl* NGC 5904 DS V21 * 15 18 34.6 +02 04 50           ~ 2 0
30 Cl* NGC 5904 KUST 668 RR* 15 18 34.6009097945 +02 04 56.762059049   15.31 15.07     ~ 11 0
31 Cl* NGC 5904 SAW V109 RR* 15 18 34.605 +02 04 50.60           ~ 10 0
32 Cl* NGC 5904 KUST 667 RR* 15 18 34.6432341912 +02 04 40.369164060   15.519 15.109     ~ 14 0
33 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0

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