R-band photometric profiles of 120 edge-on northern galaxies

Astronomy and Astrophysics – Astronomy

Scientific paper

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Late-Type Galaxies, Photometry

Scientific paper

The major and minor axis profiles of 120 late type edge-on galaxies, observed with the 6-m telescope in the R band, are presented. Only 7 of them (~6%) show exponential shapes, 99 (~83%) have well pronounced truncation below 24 mag/arcsec2 and 13 (~11%) are intermediate, with weak truncation below 25 mag/arcsec2. A brief survey of the possible explanation of the truncation effect is given. The major-axis sizes and axial ratios at 25 mag/arcsec2, as well as the respective Tully-Fisher relations are presented. The "edge-on" TF relations may be used as raw distance estimators, having relative standard errors 25-33%.

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