2005A&A...440.1097P

Query : 2005A&A...440.1097P

2005A&A...440.1097P - Astronomy and Astrophysics, volume 4401097-1104 (2005/9-4)

The double-mode nature of the HADS star GSC 00144-03031 and the Petersen diagram of the class.

PORETTI E., SUAREZ J.C., NIARCHOS P.G., GAZEAS K.D., MANIMANIS V.N., VAN CAUTEREN P., LAMPENS P., WILS P., ALONSO R., AMADO P.J., BELMONTE J.A., BUTTERWORTH N.D., MARTIGNONI M., MARTIN-RUIZ S., MOSKALIK P. and ROBERTSON C.W.

Abstract (from CDS):

The double-mode pulsation of GSC 00144-03031 has been detected when searching for COROT targets. A very large dataset composed of 4722 photometric measurements was collected at six observatories in Europe and America. There is no hint of the excitation of additional modes (down to 0.6mmag) and therefore GSC 00144-03031 seems to be a pure double-mode pulsator, with a very short fundamental radial mode (P=84min). From uvbyβ photometry and evolutionary tracks it appears to be a Pop. I star with M=1.75M☉, located in the middle of the instability strip, close to the Zero-Age Main Sequence. We also discovered other new double-mode pulsators in the databases of large-scale projects: OGLE BW2_V142, OGLE BW1_V207, ASAS3 094303-1707.3, ASAS3 000116-6037.0, NSVS 3234596 and NSVS 3324715. An observational Petersen diagram is presented and explained by means of new models. A common sequence connecting Pop. I stars from the shortest to the longest periods is proposed and the spreads in the period ratios are ascribed to different metallicities (at the shortest periods) and to different masses (at the longest ones).

Abstract Copyright: ∼

Journal keyword(s): methods: data analysis - stars: oscillations - techniques: photometric - stars: variables: δ Sct - stars: individual: GSC 00144-03031

CDS comments: Table 2 Macho 119.19840.890 is a misprint for Macho 114.19840.890

Simbad objects: 30

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Number of rows : 30
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 HD 224852 Pu* 00 01 16.2259232808 -60 36 57.138276060   10.584 10.233 9.75 9.656 A8V 22 0
2 V* RV Ari dS* 02 15 07.5021680088 +18 04 27.917480316   11.78       A 76 0
3 TYC 144-2970-1 * 06 15 16.0004202312 +06 06 57.119134032   11.06 10.71     ~ 1 0
4 HD 254061 dS* 06 15 17.7325177032 +06 04 12.748103004   10.41 10.12     ~ 11 0
5 TYC 144-3140-1 * 06 15 21.2517441144 +06 06 18.896979420   11.37 11.12     ~ 1 0
6 HD 43587 SB* 06 17 16.1297031648 +05 05 59.904745548 6.400 6.29 5.70 5.3   G0V 258 0
7 HD 43913 Be* 06 18 58.4593928352 +04 11 28.722151320   7.97 7.86 8.784   B8IV/V 25 0
8 V* V403 Gem dS* 06 44 01.0565832720 +22 44 31.666485912   12.2       ~ 9 0
9 V* AI Vel dS* 08 14 05.1459825192 -44 34 32.854644660   6.98 6.70     A9IV/V 192 0
10 V* AE UMa SX* 09 36 53.1551304240 +44 04 00.399819288   11.54 11.35     A7V 103 0
11 ASAS J094303-1707.3 dS* 09 43 02.8084910664 -17 07 15.881520648   12.15 12.33     ~ 7 0
12 V* VX Hya RR* 09 45 46.8525595968 -12 00 14.398202340   10.744 10.485 10.683 10.208 F2-8Ib 93 0
13 V* AU CrB dS* 16 13 31.7083764576 +32 34 42.824131680   12.13 11.98 12.05   A7V 11 0
14 V* V703 Sco dS* 17 42 16.8065630352 -32 31 23.639017260   8.18 7.85     A9V 96 0
15 OGLE BW1 V109 dS* 18 02 00.35 -29 48 43.8     17.767   16.83 ~ 7 0
16 OGLE BW1 V207 dS* 18 02 14.87 -29 54 09.9     18.958   17.85 ~ 7 0
17 OGLE BW2 V142 dS* 18 02 18.02 -30 08 12.9     19.022   17.77 ~ 5 0
18 OGLE BLG513.30 43503 dS* 18 02 31.84 -29 27 04.8     17.890   16.531 ~ 4 0
19 OGLE BLG513.29 115459 dS* 18 02 52.25 -29 30 24.6     18.526   17.251 ~ 4 0
20 OGLE BLG520.32 79218 dS* 18 06 35.91 -28 39 31.7     17.577   16.361 ~ 4 0
21 OGLE BLG520.11 171420 dS* 18 09 00.49 -29 14 31.5     17.866   16.713 ~ 4 0
22 OGLE BLG525.22 116429 dS* 18 13 16.47 -29 49 27.9     17.130   16.447 ~ 4 0
23 OGLE BLG522.2 53119 dS* 18 15 16.30 -26 35 40.3     17.858   16.893 ~ 4 0
24 V* V575 Lyr dS* 18 29 43.2444779808 +28 09 54.602457696           ~ 13 0
25 NSVS 3234596 * 20 26 01.7484260640 +59 30 53.490037752   11.61 11.30     ~ 3 0
26 V* BQ Ind SX* 20 55 33.6670267680 -56 44 31.136696304   10.11 9.86     A9V 27 0
27 NSVS 3361415 * 21 26 01.1202157344 +64 30 57.440621700   11.70 11.32     ~ 3 0
28 V* BP Peg RR* 21 33 13.5340951800 +22 44 24.306362268   12.20 12.05     A0 71 0
29 V* SX Phe SX* 23 46 32.8928138474 -41 34 54.769886474   7.54 7.31     A3V 348 0
30 NSVS 15731136 * ~ ~           ~ 1 0

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