2004AJ....127.1622K


Query : 2004AJ....127.1622K

2004AJ....127.1622K - Astron. J., 127, 1622-1631 (2004/March-0)

WIYN open cluster study. XX. Photometric monitoring of the galactic cluster NGC 6939.

KAFKA S., GIBBS II D.G., HENDEN A.A. and HONEYCUTT R.K.

Abstract (from CDS):

A photometric monitoring program in the field of the Galactic cluster NGC 6939 was conducted using the 0.91 m WIYN and the US Naval Observatory Flagstaff Station 1.3 m and 1 m telescopes, with the primary goal being to search for cataclysmic variables (CVs) in the cluster. Although no CVs were found during the 5 months of monitoring, a number of short-period variables were discovered in the field of the cluster. A large portion of them are of the W Ursae Majoris type, whereas WOCS V7 is an RR Lyrae star. Although the survey was somewhat compromised by the bright stars around the center of the cluster, it is intriguing that NGC 6939 appears to be deficient in faint variables.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Eclipsing - Stars: Binaries: General - Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 6939 - Stars: Variables: RR Lyrae Variable - Stars: Variables: General

Nomenclature: Table 2: Cl* NGC 6939 KGH NN (Nos 1-17). Table 3: Cl* NGC 6939 KGH VNN (Nos V1-V10).

Simbad objects: 35

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Number of rows : 35
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 V* V817 Cep EB* 20 29 24.6628118616 +60 29 44.323319112           ~ 6 0
3 Cl* NGC 6939 MGN V5 RR* 20 29 35.2200191928 +60 38 34.116110196   16.89 16.03     ~ 11 0
4 Cl* NGC 6939 MGN V6 EB* 20 30 01.3514467296 +60 46 02.926247520   16.65 16.35     ~ 6 0
5 Cl* NGC 6939 MGN V7 EB* 20 30 04.4494870344 +60 34 32.936653920   19.12 18.44     ~ 5 0
6 Cl* NGC 6939 MGN V8 EB* 20 30 16.2510444144 +60 36 31.924518048   18.17 17.73     ~ 5 0
7 Cl* NGC 6939 KGH 14 * 20 30 47.8448665992 +60 39 13.757381316   18.423 17.631     ~ 1 0
8 Cl* NGC 6939 KGH 12 WD* 20 30 50.2000313184 +60 34 54.003803628   17.000 16.951     DA 6 0
9 Cl* NGC 6939 KGH 15 * 20 31 04.8412152888 +60 39 42.454560384   19.249 18.167     ~ 1 0
10 Cl* NGC 6939 KGH 11 * 20 31 04.9712912880 +60 36 48.755438064   14.503 13.711     ~ 1 0
11 Cl* NGC 6939 KGH 16 * 20 31 09.0132621696 +60 41 48.990052176   16.179 15.279     ~ 1 0
12 Cl* NGC 6939 KGH 13 * 20 31 10.9540950480 +60 38 35.712207060   16.557 15.021     ~ 1 0
13 V* V465 Cep LP* 20 31 12.6733908336 +60 40 31.144727028   14.4 13.90     ~ 6 0
14 V* V466 Cep EB* 20 31 13.9592971416 +60 36 47.148191244   16.38 16.14     ~ 9 0
15 V* V467 Cep EB* 20 31 18.7836289752 +60 38 09.452366412   14.55 14.33     ~ 10 0
16 Cl* NGC 6939 KGH 9 * 20 31 22.7307237456 +60 39 53.812894356   15.218 14.543     ~ 1 0
17 V* V468 Cep RS* 20 31 24.5355947616 +60 40 18.024059424   13.65 13.54     ~ 9 0
18 Cl* NGC 6939 KGH 10 * 20 31 24.6491114400 +60 36 17.928409212   16.208 14.937     ~ 1 0
19 Cl* NGC 6939 KGH 17 * 20 31 25.40 +60 42 46.8   20.240 19.360     ~ 1 0
20 V* V469 Cep LP? 20 31 27.0686766888 +60 38 17.841704676   14.24       ~ 9 0
21 V* V470 Cep EB* 20 31 29.0349325872 +60 39 34.838359632   14.99 14.88     ~ 12 0
22 NGC 6939 168 BS* 20 31 31.8988753335 +60 38 15.890844439   12.87 12.52     ~ 12 0
23 NGC 6939 OpC 20 31 40.6 +60 38 54           ~ 171 0
24 Cl* NGC 6939 KGH 4 * 20 31 46.9659042792 +60 41 19.290230268   17.266 16.411     ~ 4 0
25 Cl* NGC 6939 KGH 3 * 20 31 50.7102970608 +60 43 47.878980312   19.579 18.683     ~ 1 0
26 Cl* NGC 6939 KGH 6 * 20 31 51.8880553560 +60 38 03.673583628   15.777 14.220     ~ 1 0
27 Cl* NGC 6939 KGH 7 * 20 31 53.32 +60 34 35.0   16.630 15.798     ~ 1 0
28 Cl* NGC 6939 KGH 5 BS* 20 31 54.1464596472 +60 40 22.734216804   15.144 14.613     ~ 5 0
29 Cl* NGC 6939 KGH 1 * 20 32 00.2602548120 +60 44 28.718413476   18.780 17.855     ~ 1 0
30 Cl* NGC 6939 KGH 2 * 20 32 08.7214864440 +60 42 59.983454268   19.967 18.551     ~ 1 0
31 Cl* NGC 6939 KGH V6 RS* 20 32 40.3741823544 +60 45 41.227399440           ~ 3 0
32 Cl* NGC 6939 KGH V10 LP* 20 32 45.7509540480 +60 35 55.323578976   15.65 15.21     ~ 5 0
33 Cl* NGC 6939 KGH V8 EB* 20 33 02.0901824952 +60 43 23.383840980           ~ 2 0
34 Cl* NGC 6939 KGH V9 Ro* 20 33 15.9569070456 +60 44 24.198010944           ~ 1 0
35 Cl* NGC 6939 KGH V3 EB* 20 33 22.7986092720 +60 37 14.117309220   17.58 17.02     ~ 7 0

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