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Open Astronomy

formerly Baltic Astronomy

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IMPACT FACTOR 2017 (Baltic Astronomy): 0.417
5-year IMPACT FACTOR (Baltic Astronomy): 0.486

CiteScore 2017: 0.16

SCImago Journal Rank (SJR) 2017: 0.131
Source Normalized Impact per Paper (SNIP) 2017: 0.109

Open Access
Online
ISSN
2543-6376
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Volume 22, Issue 2

Issues

Pulsation of IU Per from the Ground-based and ‘Integral’ Photometry

E. Kundra / L. Hric / R. Gális
Published Online: 2017-02-18 | DOI: https://doi.org/10.1515/astro-2017-0151

Abstract

IU Per is an eclipsing semi-detached binary with a pulsating component. Using our own ground-based, as well as INTEGRAL satellite photometric observations in the B and V passbands, we derived geometrical and physical parameters of this system. We detected the short-term variations of IU Per in the residuals of brightness after the subtraction of synthetic light curves. Analysis of these residuals enabled us to characterize and localize the source of short-term variations as the pulsations of the primary component typical to δ Scuti-type stars.

Keywords: stars: binaries: eclipsing; stars: oscillations; stars: variables: δ Scuti; stars: individual (IU Per)

REFERENCES

About the article

Received: 2012-10-17

Revised: 2013-04-04

Accepted: 2013-04-16

Published Online: 2017-02-18

Published in Print: 2013-06-01


Citation Information: Open Astronomy, Volume 22, Issue 2, Pages 111–122, ISSN (Online) 2543-6376, DOI: https://doi.org/10.1515/astro-2017-0151.

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© 2013 E. Kundra et al., published by De Gruyter Open. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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