Search Results - "Klagyivik, Peter"
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Orbital Period Refinement of CoRoT Planets with TESS Observations
Published in Frontiers in astronomy and space sciences (03-12-2021)“…CoRoT was the first space mission dedicated to exoplanet detection. Operational between 2007 and 2012, this mission discovered 37 transiting planets, including…”
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Discovery of the spectroscopic binary nature of the Cepheids X Puppis and XX Sagittarii
Published in Monthly notices of the Royal Astronomical Society (11-11-2012)“…Abstract We present the analysis of photometric and spectroscopic data of two bright Galactic Cepheids, X Puppis and XX Sagittarii. Based on the available data…”
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A search for circumbinary planets in CoRoT eclipsing binary light curves
Published in EPJ Web of Conferences (01-01-2015)“…Several transiting circumbinary planets have been found in data of the Kepler mission [1–5]. Both CoRoT and Kepler have surveyed similar numbers of stars, and…”
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Journal Article Conference Proceeding -
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Hα Photometry of Two Contact Binaries
Published in Astrophysics and space science (01-08-2006)“…We carried out optical and H alpha photometry of two contact binaries (V861 Herculis, EQ Tauri). The light curve modeling revealed stellar spots in both…”
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Extended Aperture Photometry of K2 RR Lyrae stars
Published in EPJ Web of Conferences (01-01-2017)“…We present the method of the Extended Aperture Photometry (EAP) that we applied on K2 RR Lyrae stars. Our aim is to minimize the instrumental variations of…”
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Journal Article Conference Proceeding -
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A modulated RRd star observed by K2
Published in EPJ Web of Conferences (01-01-2017)“…We report the analysis of the double-mode RR Lyrae star EPIC 205209951, the first modulated RRd star observed from space. The amplitude and phase modulation…”
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Journal Article Conference Proceeding -
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The additional-mode garden of RR Lyrae stars
Published in EPJ Web of Conferences (01-01-2017)“…Space-based photometric missions revealed a surprising abundance of millimagnitude-level additional modes in RR Lyrae stars. The modes that appear in the…”
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Journal Article Conference Proceeding -
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The K2 RR Lyrae Survey
Published in EPJ Web of Conferences (01-01-2017)“…We have initiated a large survey with K2 to observe thousands of RR Lyrae stars along the Ecliptic. The high photometric precision and the 80-90-day continuous…”
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Journal Article Conference Proceeding -
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Ha Photometry of Two Contact Binaries
Published in Astrophysics and space science (01-08-2006)“…We carried out optical and Ha photometry of two contact binaries (V861 Herculis, EQ Tauri). The light curve modeling revealed stellar spots in both contact…”
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Orbital Period Refinement of CoRoT Planets with TESS Observations
Published 20-12-2021“…CoRoT was the first space mission dedicated to exoplanet detection. Operational between 2007 and 2012, this mission discovered 37 transiting planets, including…”
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Maintaining the Ephemeris of 20 CoRoT Planets: Transit Minimum Times and Potential Transit Timing Variations
Published 29-09-2020“…JAAVSO, Vol 48, p. 201 (2020) We present 33 transit minimum times of 20 transiting planets discovered by the CoRoT mission, which have been obtained from…”
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TOI-2046b, TOI-1181b and TOI-1516b, three new hot Jupiters from \textit{TESS}: planets orbiting a young star, a subgiant and a normal star
Published 04-05-2022“…We present the confirmation and characterization of three hot Jupiters, TOI-1181b, TOI-1516b, and TOI-2046b, discovered by the TESS space mission. The reported…”
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Observational studies of Cepheid amplitudes. I - Period-amplitude relationships for Galactic Cepheids and interrelation of amplitudes
Published 25-08-2009“…Aims: We attempt to revise the period-amplitude (P-A) relationship of Galactic Cepheids based on multi-colour photometric and radial velocity data. Reliable…”
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TOI-2285b: A 1.7 Earth-radius Planet Near the Habitable Zone around a Nearby M Dwarf
Published 06-12-2021“…We report the discovery of TOI-2285b, a sub-Neptune-sized planet transiting a nearby (42 pc) M dwarf with a period of 27.3 days. We identified the transit…”
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Multicolour photometry for exoplanet candidate validation
Published 23-07-2019“…A&A 630, A89 (2019) Context. The TESS and PLATO missions are expected to find vast numbers of new transiting planet candidates. However, only a fraction of…”
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MuSCAT2: four-color Simultaneous Camera for the 1.52-m Telescopio Carlos S\'anchez
Published 05-07-2018“…J. of Astronomical Telescopes, Instruments, and Systems, 5(1), 015001 (2018) We report the development of a 4-color simultaneous camera for the 1.52~m…”
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H[alpha] Photometry of Two Contact Binaries
Published in Astrophysics and space science (01-08-2006)“…Issue Title: Close Binaries in the 21st Century: New Opportunities and Challenges We carried out optical and Hα photometry of two contact binaries (V861…”
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Observational studies of Cepheid amplitudes. II Metallicity dependence of pulsation amplitudes
Published 01-12-2011“…A&A 537, A81 (2012) Physical and phenomenological properties (radius, luminosity, shape of the light curve, etc.) of Cepheids strongly depend on the pulsation…”
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Extended Aperture Photometry of K2 RR Lyrae stars
Published 01-09-2019“…The \textit{Kepler} space telescope observed thousands of RR Lyrae stars in the K2 mission. In this paper we present our photometric solutions using extended…”
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