PRECISE AUTOMATIC DIFFERENTIAL STELLAR PHOTOMETRY

被引:85
作者
YOUNG, AT
GENET, RM
BOYD, LJ
BORUCKI, WJ
LOCKWOOD, GW
HENRY, GW
HALL, DS
SMITH, DP
BALIUNAS, SL
DONAHUE, R
EPAND, DH
机构
[1] FAIRBORN OBSERV,MESA,AZ 85204
[2] NASA,AMES RES CTR,THEORET STUDIES BRANCH,MOFFETT FIELD,CA 94087
[3] LOWELL OBSERV,FLAGSTAFF,AZ 86001
[4] TENNESSEE STATE UNIV,CTR EXCELLENCE INFORMAT SYST,NASHVILLE,TN 37203
[5] VANDERBILT UNIV,DYER OBSERV,NASHVILLE,TN 37235
[6] UNIV NEVADA,DEPT PHYS,LAS VEGAS,NV 89154
[7] HARVARD SMITHSONIAN CTR ASTROPHYS,CAMBRIDGE,MA 02138
[8] NEW MEXICO STATE UNIV,DEPT ASTRON,LAS CRUCES,NM 88003
关键词
PHOTOMETRY; EXTINCTION; AUTOMATION;
D O I
10.1086/132811
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We review the factors limiting the precision of differential stellar photometry. Errors due to variable atmospheric extinction can be reduced to below 0.001 mag at good sites by utilizing the speed of robotic telescopes. Existing photometric systems produce aliasing errors, which are several millimagnitudes in general but may be reduced to about a millimagnitude in special circumstances. Conventional differential photometry neglects several other important effects, which we discuss in detail. If all of these are properly handled, it appears possible to do differential photometry of variable stars with an overall precision of 0.001 mag with ground-based robotic telescopes.
引用
收藏
页码:221 / 242
页数:22
相关论文
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