Improved Ephemeris of Poorly Studied Eclipsing Binary GSC 3950-00707 = 2mass J20355082+5242136

Savastru, S. V.; Marsakova, V. I.; Andrych, Kateryna D.; Dubovský, Pavol A.

doi:10.18524/1810-4215.2017.30.115819

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2020

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“…MAVKA was already used in several articles: Savastru et al (2017); Tvardovskyi et al (2017Tvardovskyi et al ( , 2018; Andrych et al (2020). In these papers we used the AAVSO observations of different observers.…”

Section: Real Observationsmentioning

confidence: 99%

MAVKA: Investigation of stellar brightness extrema approximation stability for various methods

Andrych¹,

Tvardovskyi²,

Chinarova³

et al. 2020

caosp

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We developed the software package MAVKA for the determination of characteristics of extrema (moment of extremum, magnitude) and their errors. The program realizes the application of 11 basic functions for approximation of extrema. We tested all these methods in two parts. In the first part we used generated data sets (various smooth curves with noise). We investigated deviations between generated and computed values of moments of extremum and magnitude, as well as execution time for different extrema parameters. In the second part we used real observations of different variable stars using photometric and visual observations from different databases.

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