A comprehensive investigation of the variable overcontact system EH Cancri

Alton, Kevin B.; Nelson, Robert H.; Stępień, K.

doi:10.1007/s12036-020-09641-y

J Astrophys Astron

2020

DOI: 10.1007/s12036-020-09641-y

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A comprehensive investigation of the variable overcontact system EH Cancri

Kevin B. Alton¹,

Robert H. Nelson

K. Stępień

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Cited by 6 publications

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“…A word about error estimation is appropriate here (all error values in this paper are one sigma). For the errors in K 1 and K 2 , the reader should consult Alton et al (2020). For the individual RV data points in the present data set, each RV is the mean of values obtained from eight different standards; the error estimate is simply the standard deviation of the group.…”

mentioning

confidence: 99%

SPECTROSCOPIC & PHOTOMETRIC STUDY OF THE ALGOL-TYPE BINARY V1241 TAURI

Nelson,

Alton,

Kendurkar

2023

RMxAA

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New radial velocity (RV) data obtained at the Dominion Astrophysical Observatory (DAO) in Victoria, British Columbia along with light curve (LC) data for the Algol-type binary V1241 Tau have been simultaneously analysed with the 2003 version of the Wilson-Devinney code (WD2003). There were two distinct LC datasets: one was from the Transiting Exoplanet Survey Satellite (TESS) and the others (BVIc) from the (land-based) Desert Blooms Observatory (DBO). The TESS data were considered to have the least photometric uncertainty; consequently, we derived estimates for M1 (1.91(8) M☉), M2 (1.04(4) M☉), R1 (1.86(1) R☉), R2 (1.73(1) R☉), qWD (0.54(3)), L1 (10.7(8) L☉), and L2 (1.7(2) L☉) following simultaneous analysis (RV+LC) with the WD2003 code. Evolutionary modeling revealed that the primary star is somewhat evolved past the zero age main sequence (ZAMS) while the secondary is much evolved past the terminal age main sequence (TAMS).

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confidence: 99%

SPECTROSCOPIC & PHOTOMETRIC STUDY OF THE ALGOL-TYPE BINARY V1241 TAURI

Nelson,

Alton,

Kendurkar

2023

RMxAA

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A critical review of period analyses and implications for mass exchange in W UMa eclipsing binaries: Paper 4

Nelson¹,

Terrell

Milone

2023

New Astronomy Reviews

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The overcontact binary RZ Tauri

Nelson¹

2021

New Astronomy

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A comprehensive investigation of the variable overcontact system EH Cancri

Cited by 6 publications

References 47 publications

SPECTROSCOPIC & PHOTOMETRIC STUDY OF THE ALGOL-TYPE BINARY V1241 TAURI

SPECTROSCOPIC & PHOTOMETRIC STUDY OF THE ALGOL-TYPE BINARY V1241 TAURI

A critical review of period analyses and implications for mass exchange in W UMa eclipsing binaries: Paper 4

The overcontact binary RZ Tauri

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