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Absolute Proper Motions Outside the Plane (APOP)

Published online by Cambridge University Press:  29 April 2014

Zhaoxiang Qi ,
Yong Yu ,
Richard L. Smart ,
Mario G. Lattanzi ,
Zhenghong Tang ,
Beatrice Bucciarelli ,
Alberto Vecchiato ,
Alessandro Spagna  and
Brian J. McLean
Zhaoxiang Qi
Affiliation:
Shanghai Astronomical Observatory, CAS, 80 Nandan Road, 200030 Shanghai, China
Yong Yu
Affiliation:
Shanghai Astronomical Observatory, CAS, 80 Nandan Road, 200030 Shanghai, China
Richard L. Smart
Affiliation:
Osservatorio Astronomico di Torino, Strada Osservatorio 20, 10025 Pino Torinese, TO, Italy
Mario G. Lattanzi
Affiliation:
Osservatorio Astronomico di Torino, Strada Osservatorio 20, 10025 Pino Torinese, TO, Italy
Zhenghong Tang
Affiliation:
Shanghai Astronomical Observatory, CAS, 80 Nandan Road, 200030 Shanghai, China
Beatrice Bucciarelli
Affiliation:
Osservatorio Astronomico di Torino, Strada Osservatorio 20, 10025 Pino Torinese, TO, Italy
Alberto Vecchiato
Affiliation:
Osservatorio Astronomico di Torino, Strada Osservatorio 20, 10025 Pino Torinese, TO, Italy
Alessandro Spagna
Affiliation:
Osservatorio Astronomico di Torino, Strada Osservatorio 20, 10025 Pino Torinese, TO, Italy
Brian J. McLean
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA
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Abstract

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Most of the discovered exoplanets are close to our sun. Usually their host star is with large proper motions, which is an important parameter for exoplanet searching. The first version of absolute proper motions catalog achieved based on Digitized Sky Survey Schmidt plate where outside the galactic plane |b|≥27° is presented, resulting in a zero point error less than ± 0.3 mas/yr, and the overall accuracy better than ± 4.5 mas/yr for objects brighter than RF=18.5, and ranging from 4.5 to 9.0 mas/yr for objects with magnitude 18.5<RF<20.5. The systematic errors of absolute proper motions related to the position, magnitude and color are practically all removed. The sky cover of this catalog is 22,525 degree2, the mean density is 6444 objects/degree2 and the magnitude limit is around RF=20.5.

Keywords

AstrometryCatalogsAbsolute proper motionsClassification
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S293: Formation, Detection, and Characterization of Extrasolar Habitable Planets , August 2012 , pp. 413 - 415
Copyright
Copyright © International Astronomical Union 2014 

References

Lasker, , et al., 2008, AJ 136 735–766Google Scholar
Andrei, , et al., 2009, A&A 505 385–404Google Scholar