Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ap.....45..253t&link_type=abstract
Astrophysics (English translation of Astrofizika), v. 45, Issue 3, p. 253-266 (2002).
Astronomy and Astrophysics
Astrophysics
Galaxies - Galaxies Photometry - Hubble Constant - Individual Ngc 1023 Group
Scientific paper
On the basis of photographs from the 6 m Large Azimuthal Telescope and the Hubble Space Telescope, VRI photometry of stars in 11 galaxies in the NGC 1023 group has been carried out. The distances to these galaxies were determined by the method of brightest stars. The distances to NGC 925 and NGC 1023 were determined from the position of the top of the red giant branch (the TRGB method). From the calculated average and root-mean-square distances to the NGC 1023 group (10.3 ± 2.2 Mpc and 9.7 ± 0.5 Mpc) the Hubble constant in this direction was determined: H 0R = 75 ± 8 km·sec-1·Mpc-1 and H 0M = 81 ± 5 km ·sec-1·Mpc-1.
Galazoutdinova O. A.
Tikhonov Nikolay A.
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