2004A&A...418..295M


Query : 2004A&A...418..295M

2004A&A...418..295M - Astronomy and Astrophysics, volume 418, 295-303 (2004/4-4)

p-mode frequencies in solar-like stars. I. Procyon A.

MARTIC M., LEBRUN J.-C., APPOURCHAUX T. and KORZENNIK S.G.

Abstract (from CDS):

As a part of an on-going program to explore the signature of p-modes in solar-like stars by means of high-resolution absorption line spectroscopy, we have studied four stars (α CMi, η Cas A, ζ Her A and β Vir). We present here new results from two-site observations of Procyon A acquired over twelve nights in 1999. Oscillation frequencies for l=1 and 0 (or 2) p-modes are detected in the power spectra of these Doppler shift measurements. A frequency analysis points out the difficulties of the classical asymptotic theory in representing the p-mode spectrum of Procyon A.

Abstract Copyright:

Journal keyword(s): stars: oscillations (including pulsations) - stars: individual: Procyon A - techniques: radial velocities

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 * eta Cas PM* 00 49 06.2945942922 +57 48 54.638239716 4.04 4.02 3.44 2.94 2.58 F9V 632 0
2 * alf CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1851 0
3 * psi UMa PM* 11 09 39.8082958358 +44 29 54.555917043 5.27 4.15 3.01 2.18 1.61 K1III 279 0
4 * ksi Hya ** 11 33 00.1149306166 -31 51 27.447975478 5.17 4.47 3.54 2.84 2.36 G7IIIb 254 0
5 * bet Vir PM* 11 50 41.7185158616 +01 45 53.001539131 4.26 4.15 3.60 3.13 2.85 F9V 917 0
6 * zet Her SB* 16 41 17.16104 +31 36 09.7873 3.640 3.430 2.800 2.31 1.99 G0IV 541 0

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2023.09.25-19:37:25

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