Cosmic Flows: Univ. Hawaii 2.2m I-band Photometry

Details Cosmic Flows: Univ. Hawaii 2.2m I-band Photometry Cosmic Flows: Univ. Hawaii 2.2m I-band Photometry

2011-03-26

arxiv.org/abs/1103.5106v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Accepted for publication in MNRAS

Scientific paper

Within the "Cosmic Flows" project, I-band photometry of 524 relatively nearby galaxies has been carried out over the course of several years with the University of Hawaii 2.2m telescope and a camera with a 7.5 arcmin field of view. The primary scientific purpose was to provide global magnitudes and inclinations for galaxies for the purpose of measuring distances through the correlation between galaxy luminosities and rotation rates. The accuracy on a total magnitude is 0.08 mag. The observations typically extend to 7-8 exponential disk scalelengths so the data are useful for studies of the structural properties of galaxies.

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