MEASURING THE HUBBLE CONSTANT WITH THE HUBBLE SPACE TELESCOPE

被引：1

作者：

Freedman, W. L.

Kennicutt, R. C.

Mould, J. R.

机构：

来源：

HIGHLIGHTS OF ASTRONOMY, VOL 15 | 2010年 / 15卷

关键词：

EXTRAGALACTIC DISTANCE SCALE; RED GIANT BRANCH; KEY PROJECT; CEPHEID DISTANCE; LUMINOSITY FUNCTION; PERIOD-LUMINOSITY; LEO I; METALLICITY; CALIBRATION; MAGNITUDES;

D O I：

10.1017/S1743921310008148

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Ten years ago our team completed the Hubble Space Telescope Key Project on the extragalactic distance scale. Cepheids were detected in some 25 galaxies and used to calibrate four secondary distance indicators that reach out into the expansion field beyond the noise of galaxy peculiar velocities. The result was H-0 = 72 +/- 8 km s(-1) Mpc(-1) and put an end to galaxy distances uncertain by a factor of two. This work has been awarded the Gruber Prize in Cosmology for 2009.

引用

页码：1 / 16

页数：16

共 32 条

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