1995A&A...295..101J

Query : 1995A&A...295..101J

1995A&A...295..101J - Astronomy and Astrophysics, volume 295101-107 (1995/3-1)

Variable stars in the field of the open cluster NGC 7789.

JAHN K., KALUZNY J. and RUCINSKI S.M.

Abstract (from CDS):

Fifteen variable stars have been discovered during four nights of monitoring of NGC 7789. It was possible to determine periods for ten of these variables. Seven objects are W UMa-type binaries, in this number five are members of the cluster. Among the remaining variables, there are three further close binaries, one δ Scuti which is a blue straggler in the cluster, and one multi-modal variable (with indeterminable periods). One of the binaries showed an eclipse-like event; this binary is a good candidate for determination of masses of its components at the turn-off point of the cluster.

Abstract Copyright: ∼

Journal keyword(s): binaries: close - binaries: eclipsing - δ Scu - stars: variables: other - open clusters and associations: individual: NGC 7789 - blue stragglers

VizieR on-line data: <Available at CDS (J/A+A/295/101): table4>

Nomenclature: Cl* NGC 7789 JKR NN N=15

Simbad objects: 26

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Number of rows : 26
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 188 OpC 00 47 14.8 +85 14 42           ~ 990 0
2 Cl Ruprecht 149 OpC 06 52 29 -23 39.5           ~ 17 0
3 Cl Berkeley 33 OpC 06 57 49.7 -13 13 38           ~ 95 0
4 Cl Berkeley 39 OpC 07 46 48.1 -04 39 59           ~ 209 1
5 HD 106400 SB* 12 14 20.9962522128 +11 49 09.387358680   10.05 9.318 9.37 8.390 G8V 232 0
6 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 327 0
7 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
8 * del Sct dS* 18 42 16.4268984096 -09 03 09.188922060   5.04 4.71     F2II-III 507 0
9 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
10 V* OO Aql SB* 19 48 12.6525764880 +09 18 32.374957356   10.26 9.49 8.773 8.762 F9V 239 0
11 V* V730 Cas EB* 23 56 46.6753913592 +56 43 24.104453844     12.80     ~ 7 0
12 Cl* NGC 7789 JKR 12 V* 23 56 50.8362139344 +56 38 25.936142208   17.36 16.12     ~ 3 0
13 V* V542 Cas LP* 23 56 58.9694254680 +56 46 05.346701616           M5 7 0
14 V* V731 Cas CV* 23 57 00.1983892598 +56 45 08.278190839   20.25       ~ 7 0
15 Cl* NGC 7789 JKR 11 SB* 23 57 06.1806332736 +56 40 32.122534044           ~ 9 0
16 V* V732 Cas RS* 23 57 09.9212171040 +56 42 17.852120316   14.49 13.93 14.25   ~ 21 0
17 NGC 7789 OpC 23 57 19.4 +56 43 28   7.68 6.7     ~ 575 0
18 V* V733 Cas EB* 23 57 24.4507429584 +56 45 12.791639232   16.89       ~ 11 0
19 V* V734 Cas EB* 23 57 25.6824034224 +56 43 32.976025680   15.86       ~ 14 0
20 V* V735 Cas dS* 23 57 30.9311442120 +56 39 49.077856872   14.61       ~ 16 0
21 V* V736 Cas EB* 23 57 33.42 +56 44 31.7   15.53       ~ 7 0
22 Cl* NGC 7789 JKR 13 SB* 23 57 35.2697245728 +56 45 51.340516128           ~ 8 0
23 Cl* NGC 7789 JKR 15 Pu* 23 57 37.0573447896 +56 43 37.288806744     15.50     ~ 3 0
24 V* V877 Cas EB* 23 57 39.4513914888 +56 40 59.840946696   16.00       ~ 15 0
25 V* V737 Cas EB* 23 57 49.4095796592 +56 46 59.666106144           ~ 7 0
26 V* V738 Cas EB* 23 57 57.2502596208 +56 45 48.159040680   20.50       ~ 7 0

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