The optical variability of the galaxy Markarian 501.
Abstract
The Markarian galaxy no.501 has been observed on a series of plates taken between years 1967 and 1976 at Asiago Observatory. The object shows a slow variation on light between the B magnitudes 13.6 and 14.5 with a probable minimum on the years 1972-1973. No rapid variations have been observed.
- Publication:
-
Acta Astronomica
- Pub Date:
- 1977
- Bibcode:
- 1977AcA....27..195B
- Keywords:
-
- Elliptical Galaxies;
- Galactic Radiation;
- Luminous Intensity;
- Astronomical Photometry;
- Galactic Nuclei;
- Spectrum Analysis;
- Astronomy