Dark matter haloes in interacting isolated galaxy pairs: The Importance of the Hα rotation curve

被引：0
|
作者：
Isaura Fuentes-Carrera
Philippe Amram
Margarita Rosado
机构：
[1] Universidad Nacional Autonoma de Mexico,Instituto de Astronomia
[2] Laboratoire d'Astrophysique de Marseille,undefined
来源：
Astrophysics and Space Science | 2002年 / 281卷
关键词：
Rotation Curve; Mass Model; Stellar Disk; Dark Matter Halo; Emission Point;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present Hα scanning Fabry-Perot observations of the interacting galaxy pair NGC 3893/96 (Kar 302), an M51-type galaxy pair. The velocity field and rotation curve of the main galaxy (NGC 3893) were derived. These show the galaxy follows a rather axisymmetric behaviour. Together with HI observations, several mass models were adjusted in order to study the nature of the dark halo as well as the mass-to-light ratio of the galaxy. We find that in order to constrain these models, it is important to have a high resolution Hα rotation curve for the inner parts of the galaxy.
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页码：411 / 414
页数：3
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