新义
发表于 2025-3-25 05:03:44
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dandruff
发表于 2025-3-25 10:01:41
https://doi.org/10.1007/978-1-4613-9945-2r 50 field galaxies from the nearby sample (i.e. galaxies with v. <500 km/s, assuming H. = 50 km s. Mpc.) did not change the original relation .The assumption of a universal TF seems to be justified by the Virgo cluster sample of 144 galaxies (of types later than SO). A least squares fit yielded a T
delegate
发表于 2025-3-25 12:31:18
Distances from HI Observations of Nearby Groups and Clusters,r 50 field galaxies from the nearby sample (i.e. galaxies with v. <500 km/s, assuming H. = 50 km s. Mpc.) did not change the original relation .The assumption of a universal TF seems to be justified by the Virgo cluster sample of 144 galaxies (of types later than SO). A least squares fit yielded a T
irradicable
发表于 2025-3-25 18:35:50
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Encoding
发表于 2025-3-25 22:27:00
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Congruous
发表于 2025-3-26 03:00:45
The Magellanic Clouds and the Distance Scale,s young objects which are considerably more metal deficient than those in either the Galaxy or the LMC. It is therefore of importance in checking metallicity effects on (young) distance indicators. However because of its great depth (~18 kpc) in the line of sight it is less suitable than the LMC for
backdrop
发表于 2025-3-26 07:25:20
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胖人手艺好
发表于 2025-3-26 12:29:10
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毛细血管
发表于 2025-3-26 14:43:42
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Liability
发表于 2025-3-26 18:28:58
Two Stepping Stones to the Hubble Constant,) versus rate of decline relation for novae. In the spring of 1986 the CFH Telescope will be used to search for novae in Virgo Cluster ellipticals. It is hoped that these observations will result in an improved determination of the Hubble parameter.