Diffraction-limited 800 nm imaging with the 2.56 m Nordic Optical Telescope

被引:52
作者
Baldwin, JE
Tubbs, RN
Cox, GC
Mackay, CD
Wilson, RW
Andersen, MI
机构
[1] Astron Inst, Cambridge CB3 0HA, England
[2] Univ Cambridge, Cavendish Lab, Cavendish Astrophys Grp, Cambridge CB3 0HE, England
[3] Nord Opt Telescope, Santa Cruz De La Palma, Canarias, Spain
[4] Univ Durham, Dept Phys, Durham DH1 3LE, England
[5] Univ Oulu, Div Astron, Oulun Yliopisto, Finland
关键词
atmospheric effects; methods : observational; stars : individual : ss Delphini; stars : individual : sigma Boijtis;
D O I
10.1051/0004-6361:20010118
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A quantitative assessment is presented of diffraction-limited stellar images with Strehl ratios of 0.25-0.30 obtained by selection of short-exposure CCD images of stars brighter than +6 m at 810 nm with the Nordic Optical Telescope.
引用
收藏
页码:L1 / L4
页数:4
相关论文
共 8 条
[1]   Measurements of binary stars with the starfire optical range adaptive optics systems [J].
Barnaby, D ;
Spillar, E ;
Christou, JC ;
Drummond, JD .
ASTRONOMICAL JOURNAL, 2000, 119 (01) :378-389
[2]  
DANTOWITZ R, 1998, SKY TELESCOPE, V96, P48
[3]   Ground-based high-resolution imaging of mercury [J].
Dantowitz, RF ;
Teare, SW ;
Kozubal, MJ .
ASTRONOMICAL JOURNAL, 2000, 119 (05) :2455-2457
[4]  
ESA, 1997, ESA SP-1200, The Hipparcos and Tycho Catalogues
[6]   First light for Hokupa'a - 36 element curvature AO system at UH [J].
Graves, JE ;
Northcott, M ;
Roddier, F ;
Roddier, C ;
Close, L .
ADAPTIVE OPTICAL SYSTEM TECHNOLOGIES, PARTS 1 AND 2, 1998, 3353 :34-43
[7]  
MACKAY CD, 2001, IN PRESS SPIE P, P4306
[8]   The JOSE atmospheric seeing monitor at the William Herschel Telescope [J].
StJacques, D ;
Cox, CC ;
Baldwin, JE ;
Mackay, CD ;
Waldram, EM ;
Wilson, RW .
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1997, 290 (01) :66-74