METHODS;
DATA ANALYSIS;
ASTROMETRY;
GALAXY;
KINEMATICS AND DYNAMICS;
D O I:
10.1093/mnras/277.3.820
中图分类号:
P1 [天文学];
学科分类号:
0704 ;
摘要:
Results are presented from the Automated Plate Measuring (APM) Proper Motion Project. The proper motions are measured from APM scans of Palomar Observatory sky survey and UK Schmidt plates. Details are given regarding the reduction of the data and the removal of systematic errors. The project covers a total sky area of almost 100 deg(2) and has astrometry and photometry for similar to 170000 stars. The overall accuracy of the proper motions is shown to be 5 mas yr(-1), with an error in the absolute zero point of 0.6 mas yr(-1). Values for the solar motion and differential Galactic motions are presented. Measurements of the red stars yield values of A = 19 +/- 6 and B = -13 +/- 6 km s(-1) kpc(-1) for the Oort constants. A rotational shear of - 21 +/- 7 km s(-1) kpc(-1) in the z direction for the disc stars was also observed.
机构:
European Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, NetherlandsEuropean Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, Netherlands
de Bruijne, J. H. J.
Eilers, A. -C.
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机构:
European Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, NetherlandsEuropean Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, Netherlands
机构:
Univ Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Univ Tokyo, Res Ctr Early Universe RESCEU, Bunkyo Ku, Hongo 7-3-1, Tokyo 1130033, JapanUniv Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Toyouchi, Daisuke
Hotokezaka, Kenta
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h-index: 0
机构:
Univ Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Univ Tokyo, Res Ctr Early Universe RESCEU, Bunkyo Ku, Hongo 7-3-1, Tokyo 1130033, JapanUniv Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Hotokezaka, Kenta
Takada, Masahiro
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h-index: 0
机构:
Univ Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, JapanUniv Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
机构:
European Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, NetherlandsEuropean Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, Netherlands
de Bruijne, J. H. J.
Eilers, A. -C.
论文数: 0引用数: 0
h-index: 0
机构:
European Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, NetherlandsEuropean Space Agcy, Res & Sci Support Dept, Directorate Sci & Robot Explorat, NL-2200 AG Noordwijk, Netherlands
机构:
Univ Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Univ Tokyo, Res Ctr Early Universe RESCEU, Bunkyo Ku, Hongo 7-3-1, Tokyo 1130033, JapanUniv Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Toyouchi, Daisuke
Hotokezaka, Kenta
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Univ Tokyo, Res Ctr Early Universe RESCEU, Bunkyo Ku, Hongo 7-3-1, Tokyo 1130033, JapanUniv Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan
Hotokezaka, Kenta
Takada, Masahiro
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, JapanUniv Tokyo, Univ Tokyo Inst Adv Study UTIAS, Kavli Inst Phys & Math Universe WPI, Chiba 2778583, Japan