HD 17606

Spectral Classification of Stars in A Supplement to the Bright Star Catalogue MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.
Final catalogue of 229 photometric standards in UBV system near the selected areas 1-115 Not Available
The corrected magnitudes and colours of 278 stars near S.A. 1-139 in the UBV system Not Available

INHABITED SKY