On the constancy of the solar diameter. II.

被引：80
作者：
Kuhn, JR
Bush, RI
Emilio, M
Scherrer, PH
机构：
[1] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
[2] Stanford Univ, Stanford, CA 94305 USA
[3] Univ Estadual Ponta Grossa, Dept Geociencias, BR-84030000 Ponta Grossa, Parana, Brazil
来源：
ASTROPHYSICAL JOURNAL | 2004年 / 613卷 / 02期
关键词：
astrometry; solar-terrestrial relations; Sun : fundamental parameters;
D O I：
10.1086/423301
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Michelson Doppler Imager instrument on board SOHO has operated for most of a solar cycle. Here we present a careful analysis of solar astrometric data obtained with it from above the Earth's turbulent atmosphere. These data yield the most accurate direct constraint on possible solar radius variations on timescales from minutes to years and the first accurate determination of the solar radius obtained in the absence of atmospheric seeing.
引用
收藏
页码：1241 / 1252
页数：12
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