DETERMINATION OF THE HUBBLE CONSTANT FROM OBSERVATIONS OF CEPHEID VARIABLES IN THE GALAXY M96

被引:145
作者
TANVIR, NR
SHANKS, T
FERGUSON, HC
ROBINSON, DRT
机构
[1] UNIV DURHAM, DEPT PHYS, DURHAM DH1 3LE, ENGLAND
[2] SPACE TELESCOPE SCI INST, BALTIMORE, MD 21218 USA
关键词
D O I
10.1038/377027a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
New Nubble Space Telescope observations of Cepheid variable stars in the nearby galaxy M96 give a distance to the host galaxy group, Leo I, of 11.6 +/- 0.8 Mpc. This value, used in conjunction with several reliable secondary indicators of relative distance, constrains the distances to more remote galaxy clusters, and yields a value of the Hubble constant (H-0 = 69 +/- 8 km s(-1) Mpc(-1)) that is independent of the velocity of the Leo I group itself.
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页码:27 / 31
页数:5
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