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Cluster population incompleteness bias and the value of H(0) from the Tully-Fisher B0(T) relation
Data on the Virgo cluster and ten more distant clusters are the basis ofan evaluation of the influence of the cluster population incompletenessbias on the B-band Tully-Fisher relation. The data are well fitted by atheoretical curve that is obtained for a Hubble constant value of 72 +or - 5 km/sec per Mpc in the de Vaucouleurs local scale, confirming theconstant's previous determination in light of a study of the Malmquistbias for field galaxies. The true value for the Hubble constant isconcluded to lie within the 50-75 range, depending on the primarycalibration.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Anka |
| Sað Açýklýk: | 00h45m20.26s |
| Yükselim: | -48°50'10.0" |
| Görünürdeki Parlaklýk: | 7.614 |
| Uzaklýk: | 160.514 parsek |
| özdevim Sað Açýklýk: | 62.9 |
| özdevim Yükselim: | 17.1 |
| B-T magnitude: | 7.95 |
| V-T magnitude: | 7.642 |
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