THE ANALYSIS OF INDEXED ASTRONOMICAL TIME-SERIES .2. THE O-C (OBSERVED-CALCULATED) TECHNIQUE RECONSIDERED

被引：63

作者：

LOMBARD, F ^{[1
]}

KOEN, C ^{[1
]}

机构：

[1] S AFRICAN ASTRON OBSERV,CAPE TOWN 7935,SOUTH AFRICA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1993年 / 263卷 / 02期

关键词：

METHODS-DATA ANALYSIS; STARS-INDIVIDUAL-RYSGR; STARS-OSCILLATIONS;

D O I：

10.1093/mnras/263.2.309

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Circumstances under which application of the O - C technique leads to spurious conclusions are described. For data in which measurements of many individual cycle lengths are available, use of the CUSUM method is a good alternative. The contentions of the paper are illustrated by application to observations of RY Sgr: in contrast to several previous authors, it is concluded that the mean pulsation period of the star is not changing.

引用

页码：309 / 313

页数：5

共 9 条

[1]

[Anonymous], 1985, VARIABLE STARS

[2] ON THE PERIOD OF THE PULSATING R-CORONAE BOREALIS VARIABLE, RY-SGR [J].