POLYGONAL ARMS IN GRAND DESIGN SPIRALS
The phenomenon of polygonal arms in grand design spiral galaxies is reviewed. The Whirlpool Nebula, Messier 51 (NGC 5194) in Canes Venatici, is taken as an archetypical example. Optical photographs, Hα, UV and far-UV images, CO, 21 cm, sinchrotron emission maps, Ks-band mosaic of M 51 are used to re...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Odessa I. I. Mechnykov National University
2017-03-01
|
| Series: | Odessa Astronomical Publications |
| Online Access: | http://oap.onu.edu.ua/article/view/93013 |