1999A&AS..136..421E


Query : 1999A&AS..136..421E

1999A&AS..136..421E - Astron. Astrophys., Suppl. Ser., 136, 421-428 (1999/April-2)

Characterization of variable stars by robust wave variograms: An application to Hipparcos mission.

EYER L. and GENTON M.G.

Abstract (from CDS):

Variogram analysis is applied to time series of variable stars. This method allows to characterize time-scales of varying signals. It is well suited for periodic and pseudo-periodic signals. The aspects of robustness, bin positions and bin widths for the variogram estimator are assessed, evaluated with the help of simulations and adapted to the Hipparcos photometry. For instance variogram methodology is successfully applied for the detection of spurious periods, the estimation of measurement noise and the analysis of the pseudo-period of some typical Hipparcos variable stars.

Abstract Copyright:

Journal keyword(s): methods: data analysis - methods: statistical - stars: variables: general - techniques: photometric

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * 12 Cam RS* 05 06 12.1360892121 +59 01 16.826053743 8.110 7.260 6.130     K0IIIe 161 0
2 V* VW Dor RR* 06 07 45.7166890867 -66 58 38.870313622   12.43 11.79     A5III 50 0
3 HD 77389 HV* 08 57 55.6810653021 -69 09 30.692313918   9.93 9.64     F0IV 16 0
4 V* V521 Car LP* 10 44 10.0197758788 -72 03 52.121235926   9.18 7.56     M5III 15 0
5 * 4 Dra SB* 12 30 06.6714652729 +69 12 03.989989948 8.38 6.57 4.95     M3+IIIa 124 0
6 BD+31 2629 * 14 32 36.0485524581 +30 27 42.301703960   10.29 9.88     F3IV 12 0
7 V* CY Gru LP* 22 38 27.9133573523 -36 53 42.330121097   10.77 9.19     M2III 11 0

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