DOUBLE QUASAR 0957+561 - RADIO STUDY AT 6-CENTIMETERS WAVELENGTH

被引：38
作者：
ROBERTS, DH
GREENFIELD, PE
BURKE, BF
机构：
[1] Research Laboratory of Electronics, Department of Physics, Massachusetts Institute of Technology, Cambridge
来源：
SCIENCE | 1979年 / 205卷 / 4409期
关键词：
D O I：
10.1126/science.205.4409.894
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：
The optical double quasar 0957+561 has been interpreted as the gravitational double image of a single object. A radio map made with the Very Large Array of the National Radio Astronomy Observatory shows unresolved sources coincident with the optical images as well as a complex of related extended emission. Although the results cannot rule out the gravitational lens hypothesis, the complex radio structure is more easily interpreted as two separate quasars. The optical and radio properties of the two quasars are so similar that the two must have been formed at the same time with similar initial conditions. Copyright © 1979 AAAS.
引用
收藏
页码：894 / 896
页数：3
相关论文
共 10 条
[1]  
[Anonymous], PHYS REV B
[2]  
HEESCHEN DS, 1975, SKY TELESCOPE, V49, P344
[3]  
HOERNER SV, 1966, ASTROPHYS J, V144, P483
[4]  
Hogbom J. A., 1974, Astronomy and Astrophysics Supplement Series, V15, P417
[5]   RADIO STRUCTURES OF A COMPLETE SAMPLE OF QUASARS FROM THE 4C CATALOG [J].
POTASH, RI ;
WARDLE, JFC .
ASTRONOMICAL JOURNAL, 1979, 84 (06) :707-717
[6]   ON POSSIBILITY OF TESTING COSMOLOGICAL THEORIES FROM GRAVITATIONAL LENS EFFECT [J].
REFSDAL, S .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1966, 132 (01) :101-&
[7]  
REFSDAL S, 1964, MON NOT R ASTRON SOC, V128, P295, DOI 10.1093/mnras/128.4.295
[8]  
TYSON AJ, 1979, APJ, V230, pL153
[9]   0957+561-A, B - TWIN QUASISTELLAR OBJECTS OR GRAVITATIONAL LENS [J].
WALSH, D ;
CARSWELL, RF ;
WEYMANN, RJ .
NATURE, 1979, 279 (5712) :381-384
[10]  
WARDLE JFC, 1974, ASTRON ASTROPHYS, V30, P305
1