2.6.4. Physical Methods: Summary
Physical methods now yield the Hubble constant which can be compared with that from ladders. TABLE 7 presents a summary of H0 from the physical methods. However, effort is still needed to determine systematic errors associated with the use of specific methods.
method | H0 | reference |
ladders | 71 ± 7(x 0.95-1.15) | |
physical: EPM | 73 ± 9 | Schmidt et al. 1994 |
physical: lensing (low ) | 74 ± 8 | Koopmans & Fassnacht 1999 |
(EdS) | 69 ± 7 | |
physical: ZS | (54 ± 14) | Myers et al 1997 |