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

页码：L195 / L198

页数：4

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