RMxAA

Revista Mexicana de Astronomía y Astrofísica

ISSN: 3061-8649
Vol. 32 No. 1 (1996), Research articles
Vol. 32 No. 1 (1996)
Research articles

Detection and Correction of Scattered Light in the 2.1-m San Pedro Mártir Telescope

Published 1996-01-01
Gutiérrez L.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
López J. A.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
Luna E.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
Valdéz J.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
Murillo J. M.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
Sierra G.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
Grundhal F.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
Schuster W. J.
Instituto de Astronomía, UNAM, Obs. Astron. Nacional, Ensenada, B. C. México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México IAUNAM, OAN, Ensenada, B. C., México Institute of Physics and Astronomy, University of Aarhus, Denmark; IAUNAM, OAN, Ensenada, B. C., México
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Detection and Correction of Scattered Light in the 2.1-m San Pedro Mártir Telescope. (1996). Revista Mexicana De Astronomía Y Astrofísica, 32(1), 63-67. https://astronomia.unam.mx/journals/rmxaa/article/view/1996rmxaa..32...63g
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Abstract

We have used the pinhole camera method (Grundhal & Sørensen 1966) to evaluate the amount of scattered light present at the exit pupil of the f/7.5, 2.1-m San Pedro Mártir telescope. A substantial amount of scattered light, originating from multiple reflections off the inner walls of the sky baffles was found to be present; this scattered component directly affects the quality of the flat-field calibration frames, which is in turn reflected on the accuracy of CCD bidimensional photometry. Corrective action has been performed on the primary's sky baffle, successfully eliminating most of the spurious scattered component.
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