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Wading Through the Quagmire of Schmidt-Plate Coordinate Systematics

Published online by Cambridge University Press:  25 May 2016

C.-L Lu ,
I. Platais ,
T.M. Girard ,
V. Kozhurina-Platais ,
W.F. Van Altena ,
C.E. López  and
D.G. Monet
C.-L Lu
Affiliation:
Yale University Observatory, New Haven, CT 06511, USA
I. Platais
Affiliation:
Yale University Observatory, New Haven, CT 06511, USA
T.M. Girard
Affiliation:
Yale University Observatory, New Haven, CT 06511, USA
V. Kozhurina-Platais
Affiliation:
Yale University Observatory, New Haven, CT 06511, USA
W.F. Van Altena
Affiliation:
Yale University Observatory, New Haven, CT 06511, USA
C.E. López
Affiliation:
Félix Aguilar Observatory, San Juan, Argentina
D.G. Monet
Affiliation:
US Naval Observatory, Flagstaff, AZ 86002, USA

Extract

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We attempted to quantify the magnitude-dependent systematics in a sample of Schmidt plates by comparison to positions from the Yale/San Juan Southern Proper Motion program which offers star positions and absolute proper motions down to B = 18 with a mean density of about 50 stars per square degree and a positional accuracy of 0.1″ (Platais et al. 1995).

Type
Part 7. Data Processing Techniques
Information
Symposium - International Astronomical Union , Volume 179: New Horizons from Multi-Wavelength Sky Surveys , 1998 , pp. 384 - 385
Copyright
Copyright © Kluwer 1998 

References

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Platais, I., Girard, T. M., van Altena, W. F., Ma, W.-Z., Lindegren, L., Crifo, F. and Jahreiß, H., 1995. Astron. Astrophys., 304, 141.Google Scholar
Taff, L. G., Bucciarelli, B. and Lattanzi, M. G., 1990. Astrophys. J., 361, 667.Google Scholar