Broad-band JHK(L') photometry of a sample of giants with 0.5 > [Fe/H] > -3

Astronomy and Astrophysics – Astrophysics

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Stars: Population Ii, Infrared: Stars, Stars: General, Stars: Fundamental Parameters

Scientific paper

We present the results of a three-year campaign of broad-band photometry in the near-infrared J, H, K and L' bands for a sample of approximately 250 giant stars carried out at the Observatorio del Teide (Tenerife, Spain). Transformations of the Telescopio Carlos Sanchez system into/from several currently used infrared systems are extended to the redward part of the colour axis. The linearity of our photometric system in the range -3 mag [Fe/H] >-3. Data of comparable quality previously published have been added to the sample in order to increase the reliability of the relations to be obtained. We also provide mean IR colours for giant stars according to spectral type.
ables 1, 2 and 3 are only available in electronic form via the CDS (anonymous ftp 130.79.128.5 or http://cdsweb.u-strasbg.fr/Abstract.html

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