1997A&AS..125..337K

Query : 1997A&AS..125..337K

1997A&AS..125..337K - Astron. Astrophys., Suppl. Ser., 125, 337-341 (1997/October-2)

New variable stars in the globular cluster NGC 288.

KALUZNY J., KRZEMINSKI W. and NALEZYTY M.

Abstract (from CDS):

We report discovery of 3 new faint variables in the globular cluster NGC 288: 2 SX Phe stars and 1 contact binary. Both SX Phe variables are blue stragglers. The contact binary is located below cluster turnoff, slightly to the red of the main sequence. New photometry of 6 previously known variables is also presented. We note that 26 out of a total 43 SX Phe stars identified recently in ω Cen and NGC 288 exhibit V-band light curves with full amplitudes smaller than 0.10mag. The sample of known SX Phe stars is likely to be significantly incomplete in regard to the low amplitude variables.

Abstract Copyright: ∼

Journal keyword(s): globular clusters: individual: NGC 288 - stars: variables: other - blue stragglers - stars: horizontal-branch - binaries: close

VizieR on-line data: <Available at CDS (J/A+AS/125/337): tables 2 to 10>

Nomenclature: Cl* NGC 288 Saw VNN (Nos V8-V10) are new

Simbad objects: 16

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Number of rows : 16
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 Cl* NGC 288 BPF 34 RR* 00 52 40.2673332768 -26 32 29.446936440   15.59 14.42     ~ 7 0
2 Cl* NGC 288 SAW V7 SX* 00 52 41.46 -26 33 59.3   18.20 17.92     ~ 8 0
3 Cl* NGC 288 SAW V6 SX* 00 52 42.47 -26 34 54.2   17.58 17.28     ~ 8 0
4 Cl* NGC 288 SAW V4 SX* 00 52 42.83 -26 34 46.0   17.53 17.24     ~ 9 0
5 Cl* NGC 288 SAW V9 SX* 00 52 42.910 -26 34 10.00   17.81 17.52     ~ 7 0
6 Cl* NGC 288 SAW V8 SX* 00 52 44.3174025217 -26 34 00.305640514   18.06 17.78     ~ 8 0
7 Cl* NGC 288 SAW V5 SX* 00 52 45.0311762751 -26 33 52.790446459   17.70 17.54     ~ 11 0
8 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
9 Cl* NGC 288 BPF 35 RR* 00 52 46.6865967768 -26 34 08.079458016   15.4 15.7     ~ 13 0
10 Cl* NGC 288 SAW V10 V* 00 52 47.9195991317 -26 33 02.635384786   19.70 19.09     ~ 4 0
11 NGC 2243 OpC 06 29 34.3 -31 16 58   10.12 9.4     ~ 298 0
12 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
13 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
14 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
15 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
16 V* SX Phe SX* 23 46 32.8928138474 -41 34 54.769886474   7.54 7.31     A3V 348 0

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