... M 67

Based on observations collected at the ESO VLT, Paranal Observatory, Chile, program 278.D-5027(A).

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...

Appendix A is only available in electronic form at http://www.aanda.org

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... mode

This is the observing mode in FLAMES in which 132 fibers with a projected diameter on the sky of 1 $.\!\!^{\prime\prime}$2 feed the GIRAFFE spectrograph. Some fibers are set on the target stars and others on the sky background.

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... IRAF

IRAF is distributed by the National Optical Astronomy Observatory, which is operated by the Association of the Universities for Research in Astronomy, Inc. (AURA) under cooperative agreement with the National Science Foundation.

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... spectrum

http://www.eso.org/observing/dfo/quality/GIRAFFE/pipeline/solar.html

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... NIST

National Institute of Standards and Technology.

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