Abstract
The main plane of a late type galaxy is best determined by its population I components : young stars, gas and dust. In the case of M82 the determination of its principal plane is complicated by its very irregular appearance and the presence of scattered light. We have used three-colour UBVphotometry of this galaxy to determine the stellar population, using the extinction- free parameter Q = (U-B) - 0.65(B-V), and the extinction AB=4 ((B-V)-(B-V)00; (B-V)00 being the intrinsic colour of the population, taken, e.g. from population synthesis calculations. Corrections for scattered light were made using the degree of polarization as well as the excess ultraviolet light (see Notni and Bronkalla, 1983 ; Notni et al., 1981 for details).
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Notni, P., Bronkalla, W. (1983). M82 — Tilt and Warp of its Principal Plane. In: Athanassoula, E. (eds) Internal Kinematics and Dynamics of Galaxies. International Astronomical Union/Union Astronomique Internationale, vol 100. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7075-5_17
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DOI: https://doi.org/10.1007/978-94-009-7075-5_17
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