New compact hierarchical triple system candidates identified using Gaia DR3

DR Czavalinga, T Mitnyan, SA Rappaport… - Astronomy & …, 2023 - aanda.org
Aims. We introduce a novel way to identify new compact hierarchical triple stars by
exploiting the huge potential of Gaia DR3 and also its future data releases. We aim to …

Different evolutionary pathways for the two subtypes of contact binaries

XD Zhang, SB Qian, WP Liao - Monthly Notices of the Royal …, 2020 - academic.oup.com
Secondary components of W UMa-type contact binaries (CBs) have many special
properties, two of them are excess in radius and luminosity. In order to make these …

Magnetic Activity and Orbital Period Study for the Short-period RS CVn–type Eclipsing Binary DV Psc

Q Pi, L Zhang, S Bi, XL Han, H Lu, Q Yue… - The Astrophysical …, 2019 - iopscience.iop.org
Using 27 sets of new multiband photometry light curves acquired from our long-term
photometric campaign carried out in the last 5 yr and high-resolution spectroscopic data …

Spectroscopic and photometric studies of four W UMa-type eclipsing binaries–II

L Zhang, ZZ Zhu, Q Yue, R Terheide… - Monthly Notices of …, 2020 - academic.oup.com
We performed photometric and spectroscopic studies on four W Ursae Majoris eclipsing
binaries (V384 Ser, AQ Psc, V480 Gem and 2MASS J07095549+ 3643564). The binaries …

Magnetic activity and period variation studies of the short-period eclipsing binaries. II. v1101 her, AD phe, and NSV 455 (j011636. 15–394955.7)

Q Pi, L Zhang, S Bi, XL Han, D Wang… - The Astronomical …, 2017 - iopscience.iop.org
In this paper, we present new BVRI light curves of short-period contact eclipsing binaries
V1101 Her and AD Phe from our observations carried out from 2014 to 2015 using the …

Photometric and Spectroscopic Studies for Two Magnetic-activity Contact Binaries: V724 And and QR Com

S Wang, R Meichel, H Yuan… - Research in Astronomy …, 2022 - iopscience.iop.org
We presented new CCD photometry for two contact binaries, V724 And and QR Com, which
were observed during the 2020–2022 observing seasons. By using the Wilson–Devinney …

A comprehensive photometric study of the contact binary GN boo with possible magnetic activities

JJ Wang, SB Qian, YP Zhang, J Zhang… - The Astronomical …, 2015 - iopscience.iop.org
Multi-color photometric data of GN Boo observed from 2010 to 2013 are presented. The
intrinsic variations of the light curves are remarkable, and their phenomena are probable …

Orbital parameters and period variation studies of the short-period eclipsing binaries FG Sct, VZ Lib and VZ Psc

Q Yue, LY Zhang, XML Han, HP Lu… - … in Astronomy and …, 2019 - iopscience.iop.org
We present eight sets of new light curves for binaries FG Sct, VZ Lib and VZ Psc, which are
all contact eclipsing binaries with short orbital periods. We carried out our observations from …

BI CVn–A spotted, overcontact, type-W eclipsing binary

RH Nelson, HV Şenavci, Ö Baştürk, E Bahar - New Astronomy, 2014 - Elsevier
We present photometric and spectroscopic observations of the eclipsing binary system BI
CVn. Wilson–Devinney analysis of its light and radial velocity curves showed that the system …

The contact binary V344 Lacertae: is it a triple system?

L Liu, S Qian, K Li, J He, L Li, E Zhao, X Li - Astrophysics and Space …, 2020 - Springer
The VRI VRI passbands light curves of V344 Lac were presented and analyzed by using the
latest version of the WD code. The observed spectrum reveals that V344 Lac is not an A3 …