KINEMATICS OF ATOMIC GAS HALOS IN EDGE-ON SPIRALS

被引：0
|
作者：
Rand, R. J. [1 ]
Benjamin, R. A. [2 ]
Dahlem, M. [3 ]
机构：
[1] Univ New Mexico, Dept Phys & Astron, 800 Yale Blvd NE, Albuquerque, NM 87131 USA
[2] Univ Wisconsin Whitewater, Dept Phys, Whitewater, WI 53190 USA
[3] CSIRO, ATNF, Narrabri, NSW 2390, Australia
来源：
ROLE OF THE DISK-HALO INTERACTION IN GALAXY EVOLUTION: OUTFLOWS VS INFALL? | 2012年 / 56卷
关键词：
DIFFUSE IONIZED-GAS; FIELD UNIT OBSERVATIONS; GALAXIES; NGC-891; MODEL;
D O I：
10.1051/eas/1256040
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present new constraints on lagging atomic halos in the edge-ons NGC 4244 and NGC 4565 from recent WSRT data. In NGC 4244, any possible lag is limited to <10km s(-1) kpc(-1) up to z = 2 kpc, while NGC 4565 may have a lag of similar to 10 km s(-1) kpc(-1), up to z = 2 kpc, but only at about R <= 3'. These small lags in galaxies with little star formation may disagree with recently reported trends for extraplanar ionized gas in three edge-ons.
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页码：247 / +
页数：2
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