Study of the Long-term BVR_(c)I_(c) Photometric Variability of Eight PMS Stars in the Young Open Cluster Trumpler 37  

作　　者：Sunay Ibryamov Gabriela Zidarova Evgeni Semkov Stoyanka Peneva 

机构地区：[1]Department of Physics and Astronomy,Faculty of Natural Sciences,University of Shumen,115,Universitetska Str.,9700 Shumen,Bulgaria [2]Institute of Astronomy and National Astronomical Observatory,Bulgarian Academy of Sciences,72,Tsarigradsko Shose Blvd.,1784 Sofia,Bulgaria

出　　处：《Research in Astronomy and Astrophysics》2023年第8期117-126,共10页天文和天体物理学研究（英文版）

基　　金：partly supported by the research fund of the University of Shumen,Bulgaria。

摘　　要：This paper reports results from our long-term BV(RI)_(c) photometric CCD observations of eight pre-main sequence stars collected from 2008 June to 2022 October.These stars are located in the young open cluster Trumpler 37,in the field of GM Cephei.The observational data indicate that all stars from our study exhibit variability in all-optical passbands,typical for young stars.In this paper,we describe and discuss the photometric behavior of the stars and the possible reasons for their variability.For two of the objects,we identified periodicity in their light variation.

关 键 词：STARS pre-main sequence-stars VARIABLES T Tauri-Herbig Ae/Be 

分 类 号：P15[天文地球—天文学]