The VSOP prelaunch H2O maser survey.: I.: VLBA observations

被引：51
|
作者：
Migenes, V
Horiuchi, S
Slysh, VI
Val'tts, IE
Golubev, VV
Edwards, PG
Fomalont, EB
Okayasu, R
Diamond, PJ
Umemoto, T
Shibata, KM
Inoue, M
机构：
[1] Natl Radio Astron Observ, Charlottesville, VA 22903 USA
[2] Natl Astron Observ, VSOP Project, Mitaka, Tokyo 181, Japan
[3] PN Lebedev Phys Inst, Ctr Astro Space, Moscow 117810, Russia
[4] Inst Space & Astronaut Sci, Sagamihara, Kanagawa 229, Japan
[5] Natl Radio Astron Observ, Socorro, NM 87801 USA
来源：
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 1999年 / 123卷 / 02期
关键词：
HII regions; ISM : structure; masers; surveys; techniques : interferometric;
D O I：
10.1086/313238
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the first results from an H2O maser survey conducted with the VLBA for determining candidate sources for space VLBI missions. We observed 60 sources in total: four late-type stars, 29 star-forming regions, and 27 H II regions. These are the first interferometric observations of any kind for 50% of the sources. Approximately 30% of the sources we observed exhibit highly compact structure and very strong emission, which make them ideal targets for space VLBI missions.
引用
收藏
页码：487 / 513
页数：27
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