Young Stars in the Camelopardalis Dust and Molecular Clouds. IV. Spectral Observations of the Suspected YSOs

TL;DR

This study confirms the young stellar nature of 15 suspected pre-main-sequence stars in Camelopardalis through spectral observations, identifying emission lines and spectral classes to understand their evolutionary stages.

Contribution

It provides spectral data and classification for the brightest suspected young stars, advancing the understanding of star formation in the Camelopardalis region.

Findings

Most objects are young stars with emission lines.

Spectral classes and emission line strengths are characterized.

Confirmed the pre-main-sequence status of the studied stars.

Abstract

In the first three papers of this series, about 200 objects in Camelopardalis and the nearby areas of Cassiopeia, Perseus and Auriga were suspected of being pre-main-sequence stars in different stages of evolution. To confirm the evolutionary status of the 15 brightest objects, their far-red range (600--950 nm) spectra were obtained. Almost all these objects are young stars with emissions in H alpha, OI, CaII and P9 lines. The equivalent widths of emission lines and approximate spectral classes of the objects are determined.