MEASUREMENT OF THE SOLAR GRAVITATIONAL DEFLECTION OF RADIO-WAVES USING VERY-LONG-BASE-LINE INTERFEROMETRY

被引：130

作者：

LEBACH, DE

COREY, BE

SHAPIRO, II

RATNER, MI

WEBBER, JC

ROGERS, AEE

DAVIS, JL

HERRING, TA

机构：

[1] NE RADIO OBSERV CORP, HAYSTACK OBSERV, WESTFORD, MA 01886 USA

[2] MIT, DEPT EARTH ATMOSPHER & PLANETARY SCI, CAMBRIDGE, MA 02139 USA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.75.1439

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We made very-long-baseline-interferometry observations of the extragalactic radio sources 3C273B and 3C279 to measure the gravitational deflection of radio waves by the Sun. Cross-correlation of data recorded at antennas in California and Massachusetts at 2, 8, and 23 GHz during a ten-day period surrounding the October 1987 solar occultation of 3C279 yielded plasma-corrected group delays, from which we obtained gamma = 0.9996 +/- 0.0017 (estimated standard error), corresponding to a gravitational deflection 0.9998 +/- 0.0008 times that predicted by general relativity.

引用

页码：1439 / 1442

页数：4

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