2021
DOI: 10.3847/1538-3881/abea0c
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Photometric and Spectroscopic Analysis of Four Contact Binaries

Abstract: We present the photometric and spectroscopic analysis of four W UMa binaries J015829.5+260333 (hereinafter as J0158), J030505.1+293443 (hereinafter as J0305), J102211.7+310022 (hereinafter as J1022), and KW Psc. The VR c I c band photometric observations are carried out with the 1.3 m Devasthal Fast Optical Telescope (DFOT). For low-resolution spectroscopy, we used the 2 m Him… Show more

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Cited by 14 publications
(13 citation statements)
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“…(2) The light variability of KW Psc (=ASAS J225832 +0552.4) was noticed as an EW-type binary by Zickgraf et al (2003), who determined its orbital period of 0.234276 days. Panchal & Joshi (2021) observed this binary on 2018 October 11, 12, and 20, November 26, December 1 and 27, and 2019 October 12. For the discontinuous observations, they derived the photometric solution with a mass ratio of q = 0.42 ± 0.01.…”
Section: Introductionmentioning
confidence: 89%
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“…(2) The light variability of KW Psc (=ASAS J225832 +0552.4) was noticed as an EW-type binary by Zickgraf et al (2003), who determined its orbital period of 0.234276 days. Panchal & Joshi (2021) observed this binary on 2018 October 11, 12, and 20, November 26, December 1 and 27, and 2019 October 12. For the discontinuous observations, they derived the photometric solution with a mass ratio of q = 0.42 ± 0.01.…”
Section: Introductionmentioning
confidence: 89%
“…We obtained two sets of new LCs, i.e., LC 2000 and LC 2021 for V0576 Peg and KW Psc, respectively. Panchal & Joshi (2021) For FY Boo, Samec et al (2009) published BVRI LCs that we designate as LC 2009 . For this star, we also use LC 2020 from the TESS database.…”
Section: Observations and Data Reductionsmentioning
confidence: 99%
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“…According to Kepler's third law (Panchal & Joshi 2021), the total mass of the system (M 1 + M 2 ), in terms of M ⊙ , is acquired from relation 8. The separation a is the average value of a 1 and a 2 calculated for each component individually by their radius (R) and the mean fractional radius (r) using relation 7.…”
Section: Calculation Of the Absolute Parametersmentioning
confidence: 99%
“…The primary and secondary masses were determined using q. The detailed procedure and equations involved in the parameter determination can be seen in Liu et al (2020) and Panchal & Joshi (2021). The physical parameters for all the systems are given in Table 7.…”
Section: )mentioning
confidence: 99%