CORRUGATIONS IN THE DISKS OF SPIRAL GALAXIES - NGC-4244 AND 5023

被引:25
作者
FLORIDO, E [1 ]
BATTANER, E [1 ]
PRIETO, M [1 ]
MEDIAVILLA, E [1 ]
SANCHEZSAAVEDRA, ML [1 ]
机构
[1] INST ASTROFIS CANARIAS,E-38200 LA LAGUNA,SPAIN
关键词
3-DIMENSIONAL DISTRIBUTION; SURFACE PHOTOMETRY; GALACTIC DISKS; GAS LAYER; FIELD; WAVES; LIGHT;
D O I
10.1093/mnras/251.2.193
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Corrugations of the disc shape, which are a well known phenomenon in the Milky Way, have been observed in the edge-on galaxies NGC4244 and 5023. The morphological characteristics are described in this paper. The bluer maps show larger and sharper corrugations. The characteristic wavelength is larger in the redder maps. The deformation seems to have a 'centre', decreasing from this point not only inwards but also outwards. The possible connection between corrugations and warps is discussed.
引用
收藏
页码:193 / 198
页数:6
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