2001A&A...368..580F

Query : 2001A&A...368..580F

2001A&A...368..580F - Astronomy and Astrophysics, volume 368580-592 (2001/3-3)

Multimode δ Scuti stars in the open cluster NGC 7062.

FREYHAMMER L.M., ARENTOFT T. and STERKEN C.

Abstract (from CDS):

The central field of NGC 7062 was observed intensively with the main goal of finding δ Scuti stars suitable for use in asteroseismological tests of stellar structure and evolution theory. BV time series photometry was obtained for this northern open cluster, which has a large population of stars inside the δ Scuti instability strip, making it a probable host of several such variables. We report findings of 15 pulsating stars, including at least 13 δ Scuti stars. Ten variables oscillate in two or more frequencies. Only one of these variables was known before, for which we detected 9 frequencies. Five probable variables are mentioned, and period analysis is given for all 20 stars.

Abstract Copyright: ∼

Journal keyword(s): stars: δ Scuti - evolution - oscillations - (galaxy:) open clusters and associations: individual: NGC 7062

Nomenclature: Tables 2, 3: Cl* NGC 7062 FAS VNN (Nos V1-V20).

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 1817 OpC 05 12 33.9 +16 41 34           ~ 210 0
2 V* XX Pyx dS* 08 58 39.0320074224 -24 35 10.589779932           A4V 84 0
3 V* FG Vir dS* 12 14 15.4565381808 -05 42 59.750820036   6.807 6.558     A8/9V 223 0
4 * 4 CVn dS* 12 23 47.0120783712 +42 32 33.862228260   6.382 6.022     F3III-IV 204 0
5 NGC 6134 OpC 16 27 48.5 -49 09 40   7.89 7.2     ~ 166 0
6 V* V2440 Cyg V* 21 23 13.6162030560 +46 20 51.031482972   14.18       ~ 4 0
7 V* V2441 Cyg dS* 21 23 14.0765100744 +46 24 40.049061048   19.17       ~ 2 0
8 Cl* NGC 7062 FAS V16 V*? 21 23 17.74 +46 22 08.3   18.77 17.73     ~ 1 0
9 V* V2442 Cyg dS* 21 23 18.49 +46 21 23.1   15.49       ~ 4 0
10 V* V2443 Cyg dS* 21 23 21.5365916208 +46 22 59.174527836   13.87       ~ 7 0
11 V* V2444 Cyg dS* 21 23 21.6775492008 +46 25 11.514592812   15.01       ~ 5 0
12 V* V2445 Cyg dS* 21 23 22.9138511784 +46 22 24.612657636   18.16       ~ 3 0
13 V* V2446 Cyg dS* 21 23 23.86 +46 22 58.7   17.83       ~ 3 0
14 NGC 7062 OpC 21 23 25.8 +46 22 46   8.99 8.3     ~ 103 0
15 V* V2447 Cyg dS* 21 23 29.65 +46 23 04.9   19.55       ~ 2 0
16 V* V2448 Cyg dS* 21 23 29.7650415120 +46 22 37.854819984   14.67       ~ 6 0
17 V* V2449 Cyg dS* 21 23 30.5634513552 +46 21 37.662484428   13.98       ~ 9 0
18 Cl* NGC 7062 FAS V20 V*? 21 23 31.61 +46 22 18.0   17.92 16.91     ~ 1 0
19 V* V2450 Cyg dS* 21 23 33.53 +46 22 07.2   16.45       ~ 3 0
20 V* V2451 Cyg dS* 21 23 35.8260719160 +46 24 10.295754372   15.03       ~ 4 0
21 Cl* NGC 7062 FAS V19 * 21 23 35.8910142840 +46 23 20.084386884   16.66 15.91     ~ 4 0
22 NGC 7062 208 V*? 21 23 38.4762889656 +46 20 31.484649624   14.50 13.66     ~ 3 0
23 V* V2452 Cyg dS* 21 23 39.0828503568 +46 20 20.672808936   19.90       ~ 2 0
24 V* V2453 Cyg dS* 21 23 40.1308606416 +46 23 55.525004124   16.14 16.044     ~ 5 0
25 Cl* NGC 7062 FAS V17 V*? 21 23 44.4982334544 +46 24 19.165476636   16.0 15.0     ~ 1 0
26 V* V2454 Cyg dS* 21 23 46.3153982256 +46 25 59.552130504   17.41       ~ 3 0
27 Cl* NGC 7062 VHB 17 * ~ ~     12.8     ~ 1 0
28 Cl* NGC 7062 VHB 80 * ~ ~           ~ 1 0
29 Cl* NGC 7062 VHB 143 * ~ ~   13.4 12.9     ~ 1 0
30 Cl* NGC 7062 PDD 13 * ~ ~           ~ 2 0
31 Cl* NGC 7062 PDD 17 * ~ ~           ~ 2 0
32 Cl* NGC 7062 PDD 80 * ~ ~           ~ 2 0
33 Cl* NGC 7062 VHB 13 * ~ ~     13.1     ~ 1 0

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