Accurate determination of the solar photospheric radius

被引：115
作者：
Brown, TM [1 ]
Christensen-Dalsgaard, J
机构：
[1] Natl Ctr Atmospher Res, High Altitude Observ, Boulder, CO 80301 USA
[2] Danmarks Grundforskningsfond, Teoret Astrofys Ctr, Copenhagen, Denmark
来源：
ASTROPHYSICAL JOURNAL | 1998年 / 500卷 / 02期
基金：
美国国家科学基金会;
关键词：
astrometry; Sun : fundamental parameters; Sun : oscillations;
D O I：
10.1086/311416
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Solar Diameter Monitor measured the duration of solar meridian transits during the 6 years 1981-1987, spanning the declining half of solar cycle 21. We have combined these photoelectric measurements with models of the solar limb-darkening function, deriving a mean value for the solar near-equatorial radius of 695.508 +/- 0.026 Mm. Annual averages of the radius are identical within the measurement error of +/- 0.037 Mm.
引用
收藏
页码：L195 / L198
页数：4
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