2002A&A...391..795A


Query : 2002A&A...391..795A

2002A&A...391..795A - Astronomy and Astrophysics, volume 391, 795-799 (2002/8-4)

The effects of blending on the light curve shape of Cepheids.

ANTONELLO E.

Abstract (from CDS):

A short analysis is presented of the effects on the cepheid light curve shape, i.e. on the Fourier parameters usually adopted for its description, of the blending of the stellar image with other close stars. The conclusion is that, within reasonable error, the effects are in general small and the Fourier decomposition is confirmed to be a useful tool for pulsation mode discrimination. A large effect has been found on the phase differences in a narrow period range corresponding to the known resonance centers between pulsation modes.

Abstract Copyright:

Journal keyword(s): stars: oscillations - stars: variables: Cepheids - galaxies: stellar content

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 - 2021
#notes
1 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9855 1
2 IC 1613 GiC 01 04 54.2 +02 08 00   10.42 10.01 9.77   ~ 1139 2
3 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5317 1
4 V* X Cyg cC* 20 43 24.1918662954 +35 35 16.075732392 8.69 7.70 6.47   5.241 F7Ib 445 0
5 V* DT Cyg cC* 21 06 30.2442673195 +31 11 04.765587914 6.70 6.38 5.82     F7II- 297 0
6 NAME Local Group GrG ~ ~           ~ 7314 0

    Equat.    Gal    SGal    Ecl

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2021.07.26-15:15:24

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