Characterization of eclipsing binaries in High Latitude Field 356
Sign Up to like & getrecommendations! Published in 2019 at "New Astronomy"
DOI: 10.1016/j.newast.2018.09.006
Abstract: Abstract Variable stars in HLF 356 identified from plates taken at Harvard Observatory southern station in the 1930s are characterised using data from the ASAS, SuperWASP and Catalina Sky Survey databases. Very little work has… read more here.
Keywords: characterization eclipsing; binaries high; latitude field; eclipsing binaries ... See more keywords
Photometry study in period variation and orbital parameter of two W UMa eclipsing binaries: AV Crb and EK Aqr
Sign Up to like & getrecommendations! Published in 2019 at "New Astronomy"
DOI: 10.1016/j.newast.2019.03.006
Abstract: Abstract We report new light curves of two eclipsing binaries of AV Crb and EK Aqr obtained in 2017 and 2018 using Holcomb and SARA telescopes. We obtain the updated ephemeris and find a continuous… read more here.
Keywords: study period; period; eclipsing binaries; binaries crb ... See more keywords
First photometric investigations of three eclipsing binaries: AST19571, AST21541, and AST38503
Sign Up to like & getrecommendations! Published in 2019 at "New Astronomy"
DOI: 10.1016/j.newast.2019.04.007
Abstract: Abstract AST3-1 is the second-generation optical photometric telescope at Dome A in Antarctica. In this study, photometric solutions of three eclipsing binaries comprising AST19571, AST21541, and AST38503 were determined for the first time using the… read more here.
Keywords: ast21541 ast38503; eclipsing binaries; ast19571 ast21541; contact binary ... See more keywords
The two eccentric eclipsing binaries in multiple systems: V539 Arae and V335 Serpentis
Sign Up to like & getrecommendations! Published in 2022 at "New Astronomy"
DOI: 10.1016/j.newast.2021.101708
Abstract: Abstract We present new results of our long-term observational project to analyze the variations of the orbital period for early-type eccentric eclipsing binaries. Altogether 77 new mid-eclipse times were measured or derived for two eclipsing… read more here.
Keywords: third fourth; binaries multiple; eccentric eclipsing; two eccentric ... See more keywords
New inclination changing eclipsing binaries in the Magellanic Clouds
Sign Up to like & getrecommendations! Published in 2018 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/201730655
Abstract: Context. Multiple stellar systems are unique laboratories for astrophysics. Analysis of their orbital dynamics, if well characterized from their observations, may reveal invaluable information about the physical properties of the participating stars. Unfortunately, there are… read more here.
Keywords: new inclination; astrophysics; inclination changing; inclination ... See more keywords
Light-time effect detected in fourteen eclipsing binaries
Sign Up to like & getrecommendations! Published in 2020 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202039243
Abstract: The available minima timings of 14 selected eclipsing binaries (V1297 Cas, HD 24105, KU Aur, GU CMa, GH Mon, AZ Vel, DI Lyn, DK Her, GQ Dra, V624 Her, V1134 Her, KIC 6187893, V1928 Aql,… read more here.
Keywords: time effect; light time; eclipsing binaries; effect detected ... See more keywords
A photometric study of two neglected eclipsing binaries
Sign Up to like & getrecommendations! Published in 2021 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/21/7/174
Abstract: We present the first BVR photometry, period variation and photometric light curve analysis of two poorly studied eclipsing binaries, V1321 Cyg and CR Tau. Observations were carried out from November 2017 to January 2020 at… read more here.
Keywords: photometric study; system; study two; mass ... See more keywords
The Pristine survey - XXI: exploring the metal-poor boundary with ESPaDoNS
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1291
Abstract: In this paper we study high resolution spectra of 19 stars that have metallicity estimates below –3.5 using at least two metallicity sensitive photometric indices based on Pristine photometry. The purpose is to understand what… read more here.
Keywords: eclipsing binaries; photometry; variable stars; survey ... See more keywords
Updated pulsation period relations of γ Dor-type stars in eclipsing binaries: the case of KIC 2557430
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz3302
Abstract: We employ optical spectroscopy and Kepler photometry to derive the physical properties and pulsational characteristics of the detached system KIC 2557430. We find that the system is formed by F-type components. Combining results from the analysis… read more here.
Keywords: pulsation period; updated pulsation; kic 2557430; dor type ... See more keywords
New eclipsing binaries with mercury–manganese stars
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society: Letters"
DOI: 10.1093/mnrasl/slab066
Abstract: Eclipsing binary stars are rare and extremely valuable astrophysical laboratories that make possible precise determination of fundamental stellar parameters. Investigation of early-type chemically peculiar stars in eclipsing binaries provides important information for understanding the origin… read more here.
Keywords: eclipsing hgmn; new eclipsing; binaries mercury; mercury manganese ... See more keywords