SEVEN-COLOR PHOTOMETRY AND CLASSIFICATION OF STARS IN THE VICINITY OF THE DARK CLOUD TGU H994 (LDN 1399, 1400 AND 1402)

摘要

The results of CCD photometry in the seven-color Vilnius system are given for 727 stars down to V~17 mag in a 1.5 square degree field in the region of dark cloud TGU H994 P1 (or LDN 1399, LDN 1400 and LDN 1402) in Camelopardalis. Using the intrinsic color indices and photometric reddening-free Q-parameters, two-dimensional spectral types for 73 % of stars are determined.