A Zwicky Transient Facility Look at Optical Variability of Young Stellar Objects in the North America and Pelican Nebulae Complex

LA Hillenbrand, TJ Kiker, M Gee, O Lester… - The Astronomical …, 2022 - iopscience.iop.org
We present a study of 323 photometrically variable young stellar objects that are likely
members of the North America and Pelican nebulae star-forming region. To do so, we utilize …

Gaia 19ajj: A Young Star Brightening Due to Enhanced Accretion and Reduced Extinction

LA Hillenbrand, B Reipurth, M Connelley… - The Astronomical …, 2019 - iopscience.iop.org
We report on the source Gaia 19ajj, identifying it as a young star associated with a little-
studied star-forming region seen along a complex line of sight through the Gum Nebula. The …

Long-term variability of T Tauri stars using WASP

L Rigon, A Scholz, D Anderson… - Monthly Notices of the …, 2017 - academic.oup.com
We present a reference study of the long-term optical variability of young stars using data
from the WASP project. Our primary sample is a group of well-studied classical T Tauri stars …

Long-term Photometric Study of the Pre-main Sequence Star V1180 Cas

A Mutafov, E Semkov, S Peneva… - Research in Astronomy …, 2022 - iopscience.iop.org
In this paper results from the optical photometric observations of the pre-main sequence star
V1180 Cas are reported. The star is a young variable associated with the dark cloud Lynds …

T Tauri stars in the SuperWASP and NSVS surveys

Ľ Hambálek, M Vaňko, E Paunzen… - Monthly Notices of the …, 2019 - academic.oup.com
We present a study of the long-term optical variability of young T Tauri stars using previously
unpublished data from the Super-Wide Angle Search for Planets (SuperWASP) project …

Study of the Long-term BVR c I c Photometric Variability of Eight PMS Stars in the Young Open Cluster Trumpler 37

S Ibryamov, G Zidarova, E Semkov… - Research in Astronomy …, 2023 - iopscience.iop.org
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 …

The pre-main-sequence star V1184 Tauri (CB 34V) at the end of prolonged eclipse

EH Semkov, SP Peneva, SI Ibryamov - Astronomy & Astrophysics, 2015 - aanda.org
Aims. V1184 Tau (CB 34V) lies in the field of the Bok globule CB 34 and was discovered as
a large amplitude variable in 1993. According to the first hypothesis of the variability of the …

Pre-main sequence stars

E Semkov - arXiv preprint arXiv:2307.01659, 2023 - arxiv.org
The dissertation presents result from study of Pre-main sequence (PMS) stars that are in the
earliest stages of stellar evolution. These young stellar objects are still in the process of …

V2492 Cygni: Optical BVRI Variability During the Period 2010–2017

SI Ibryamov, EH Semkov, SP Peneva - Publications of the …, 2018 - cambridge.org
Results from BVRI photometric observations of the young stellar object V2492 Cyg collected
during the period from August 2010 to December 2017 are presented. The star is located in …

Long-time photometric study of UX Orionis stars

AS Mutafov, EH Semkov, SI Ibryamov… - AIP Conference …, 2019 - pubs.aip.org
Results from long-term optical photometric observations of the pre-main sequence stars from
UX Orionis type are reported. The UBVRI CCD observations were performed in two …