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Near infrared photometry for 20 Hipparcos carbon stars

Chen, P. S.; Yan, X. H.; Wang, X. H.

The near infrared photometry in the JHK bands is made for 20 Hipparcos carbon stars. From the results of the near infrared photometry, the bolometric corrections in the K band, the apparent bolometric magnitudes and the effective temperatures can be estimated. Combined with the trigonometric parallaxes observed with the Hipparcos satellite, the ab…