1999MNRAS.302..349B

Query : 1999MNRAS.302..349B

1999MNRAS.302..349B - Mon. Not. R. Astron. Soc., 302, 349-361 (1999/January-2)

Mode identification and asteroseismology of delta Scuti stars.

BALONA L.A. and EVERS E.A.

Abstract (from CDS):

The use of multicolour photometry for mode identification in pulsating stars is discussed. We present a new, statistically based, algorithm for finding the best estimate of the spherical harmonic degree, and a confidence level from which the uniqueness can be ascertained. The method is applied to some well-observed δ Sct stars with multicolour photometry. We also propose an algorithm to deduce the effective temperature, luminosity and equatorial velocity from the observed frequencies. We find that fixing the modes of at least some frequencies is essential for a unique solution. The method is applied to a subset of the δ Sct stars which have a suitable number of frequencies and mode identifications.

Abstract Copyright: 1998, Royal Astronomical Society

Journal keyword(s): stars: fundamental parameters - stars: oscillations - δ Scuti

Simbad objects: 21

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Number of rows : 21
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 * bet Cas dS* 00 09 10.68518 +59 08 59.2120 2.73 2.61 2.27 1.97 1.77 F2III 551 0
2 * 28 And dS* 00 30 07.3651144632 +29 45 05.608065024   5.467 5.214     A7III 220 0
3 V* RV Ari dS* 02 15 07.5021680088 +18 04 27.917480316   11.78       A 76 0
4 V* DL Eri dS* 03 56 37.9331301864 -09 45 03.011005728   6.439 6.177     A9V 86 0
5 * omi01 Eri dS* 04 11 51.9390483214 -06 50 15.286647564   4.357 4.026     F0III 159 0
6 V* AD CMi dS* 07 52 47.1853100064 +01 35 50.473377528   9.66 9.38     F0IV/V 147 0
7 V* V393 Car dS* 07 59 02.6713055184 -61 35 01.030689744   7.76 7.46     A7III/IV 29 1
8 V* AN Lyn dS* 09 14 28.6859754192 +42 46 38.358171444   10.94 10.64     kA6hF1mA9 67 0
9 V* BE Lyn dS* 09 18 17.1802207368 +46 09 11.310054192 9.110 9.040 8.800     A3 84 0
10 V* AE UMa SX* 09 36 53.1551304240 +44 04 00.399819288   11.54 11.35     A7V 103 0
11 V* CO Cru dS* 12 08 54.2574733632 -55 43 41.574878868   9.60 9.24     A8(II/IIIw) 31 0
12 V* V853 Cen dS* 14 29 58.3591687560 -56 07 52.464241704   7.189 6.965     A6V 57 0
13 V* EH Lib dS* 14 58 55.9230581328 -00 56 53.011061520   10.09 9.83     A5 127 0
14 V* DY Her dS* 16 31 17.9532980880 +11 59 52.455542712   10.80 10.50     A9.7:III 135 0
15 V* V567 Oph dS* 17 58 27.2142123024 +01 06 05.222602440   11.65 11.08     G5 56 0
16 V* CC Oct dS* 20 03 31.7440777752 -78 49 50.697358752   8.50 7.97     ApSrYZrBa 57 0
17 V* V1719 Cyg cC* 21 04 32.9209811688 +50 47 03.276283920   8.41 7.99     F5III 89 0
18 V* EW Aqr dS* 21 11 41.3382543816 -14 28 20.556787368   6.742 6.445     Fm_dD 72 0
19 V* BP Peg RR* 21 33 13.5340951800 +22 44 24.306362268   12.20 12.05     A0 71 0
20 V* RS Gru dS* 21 43 04.2200918376 -48 11 22.183734588   8.53 8.26     A9IV 108 0
21 V* BF Phe dS* 23 49 54.6548020368 -42 18 02.579928228   7.68 7.41     A9III 28 0

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