Overview and initial results of the very long baseline interferometry space observatory programme

被引:186
作者
Hirabayashi, H [1 ]
Hirosawa, H
Kobayashi, H
Murata, Y
Edwards, PG
Fomalont, EB
Fujisawa, K
Ichikawa, T
Kii, T
Lovell, JEJ
Moellenbrock, GA
Okayasu, R
Inoue, M
Kawaguchi, N
Kameno, S
Shibata, KM
Asaki, Y
Bushimata, T
Enome, S
Horiuchi, S
Miyaji, T
Umemoto, T
Migenes, V
Wajima, K
Nakajima, J
Morimoto, M
Ellis, J
Meier, DL
Murphy, DW
Preston, RA
Smith, JG
Tingay, SJ
Traub, DL
Wietfeldt, RD
Benson, JM
Claussen, MJ
Flatters, C
Romney, JD
Ulvestad, JS
D'Addario, LR
Langston, GI
Minter, AH
Carlson, BR
Dewdney, PE
Jauncey, DL
Reynolds, JE
Taylor, AR
McCulloch, PM
Cannon, WH
Gurvits, LI
机构
[1] Inst Space & Astronaut Sci, Kanagawa 2298510, Japan
[2] Natl Astron Observ, Tokyo 1818588, Japan
[3] Univ Guanajuato, Guanajuato, Mexico
[4] Commun Res Labs, Mito, Ibaraki 3108512, Japan
[5] Kagoshima Univ, Kagoshima 8900064, Japan
[6] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[7] Natl Radio Astron Observ, Socorro, NM 87801 USA
[8] Natl Radio Astron Observ, Green Bank, WV 24944 USA
[9] Natl Res Council Canada, Herzberg Inst Astrophys, Dominion Radio Astrophys Observ, Penticton, BC V2A 6K3, Canada
[10] Australia Telescope Natl Facil, Epping, NSW 2122, Australia
[11] Univ Calgary, Calgary, AB T2N 1N4, Canada
[12] Univ Tasmania, Hobart, Tas 7000, Australia
[13] York Univ, Ctr Res Earth & Space Technol, Downsview, ON M3J 3K1, Canada
[14] Joint Inst VLBI Europe, NL-7991 PD Dwingeloo, Netherlands
[15] PN Lebedev Phys Inst, Ctr Astro Space, Moscow 117810, Russia
[16] Chalmers, Onsala Space Observ, S-43662 Onsala, Sweden
关键词
D O I
10.1126/science.281.5384.1825
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
High angular resolution images of extragalactic radio sources are being made with the Highly Advanced Laboratory for Communications and Astronomy (HALCA) satellite and ground-based radio telescopes as part of the Very Long Baseline Interferometry (VLBI) Space Observatory Programme (VSOP). VSOP observations at 1.6 and 5 gigahertz of the milli-arc-second-scale structure of radio quasars enable the quasar core size and the corresponding brightness temperature to be determined, and they enable the motions of jet components that are close to the core to be studied. Here, VSOP images of the gamma-ray source 1156 + 295, the quasar 1548 + 056, the ultraluminous quasar 0014 + 813, and the superluminal quasar 0212 + 735 are presented and discussed.
引用
收藏
页码:1825 / 1829
页数:5
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