Clumpology of Starbursts in the WiggleZ Dark Energy Survey

被引：0
|
作者：
Wisnioski, Emily [1 ]
Glazebrook, Karl [1 ]
Blake, Chris [1 ]
机构：
[1] Swinburne Univ Technol, Ctr Astrophys & Supercomp, Hawthorn, Vic 3122, Australia
来源：
GALAXY EVOLUTION: INFRARED TO MILLIMETER WAVELENGTH PERSPECTIVE | 2011年 / 446卷
关键词：
STAR-FORMING GALAXIES; INTEGRAL-FIELD SPECTROSCOPY; HIGH-REDSHIFT; BULGE FORMATION; RAPID FORMATION; GALACTIC DISKS; GIANT CLUMPS; DEEP FIELD; FRAGMENTATION; KINEMATICS;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have observed Ha emission from a sample of 13 star-forming galaxies from the WiggleZ Dark Energy Survey in the redshift range z similar to 1.2 - 1.5 and stellar mass range 9.8 < log(M-*/M-circle dot)< 11.6 with the integral field spectrograph OSIRIS on Keck, taking advantage of Laser Guide Star Adaptive Optics. We detect multiple emission, 1-2 kpc size sub-components, or 'clumps' within the H alpha spatial emission in 4 galaxies, extended emission in 4 galaxies and compact spheroidal emission in 5 galaxies. Considering our results in the context of unstable disk formation and a merger sequence, we find evidence of ordered orbital motion in the majority of galaxies as would be found in unstable gaseous disks.
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页码：235 / 240
页数：6
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