The results of optical spectroscopic monitoring observations of a young binary system, Z CMa, are presented in this stud......

Results from optical CCD photometric observations of 13 pre-main-sequence stars collected during the period from Februar......

We present a detailed spectroscopic study of pre-main sequence star V565 Mon,which is the illuminating star of the Parsa......

This paper reports results from the first long-term BV(RI)c photometric CCD observations of three variable pre-main-sequ......

We present a catalog including 11 204 spectra of 10 436 early-type emission-line stars from LAMOST DR2, among which 9752......

This paper reports results from the multicolor photometric observations of 15pre-main sequence stars collected in the pe......

In our previous papers we have improved the value of the orbital period of the binary Herbig Be star HD 200775 and showe......

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We present an analysis of the optical observations of Herbig Ae/Be(HAeBe)star V1686 Cyg,which is associated with a small......