English
Related papers

Related papers: Timing Analysis of the Intermediate Polar V709 Cas

200 papers

Utilizing high-cadence and long-term optical photometry from the Transiting Exoplanet Survey Satellite (TESS ), we conducted a time-resolved timing analysis of the Intermediate Polar, V709 Cas. Our analysis reveals key characteristics of…

Solar and Stellar Astrophysics · Physics 2025-07-28 Srinivas M Rao , Jeewan C Pandey , Nikita Rawat , Arti Joshi , Ajay Kumar Singh

Using the first long-term photometry from the Transiting Exoplanet Survey Satellite, we have carried out a detailed time-resolved timing analysis of an intermediate polar TX Col. The power spectra of almost 52 days continuous time-series…

Solar and Stellar Astrophysics · Physics 2021-05-12 Nikita Rawat , J. C. Pandey , Arti Joshi

We present RXTE and BeppoSAX observations of the Intermediate Polar V709 Cas acquired in 1997 and 1998 respectively. The X-ray emission from 0.1 to 30keV is dominated by the strong pulsation at the rotational period of the white dwarf…

Using long-term observations from the Transiting Exoplanet Survey Satellite (TESS) along with spectroscopic observations from the 3.6 m Devasthal Optical Telescope (DOT), we present a comprehensive time-series and spectral analysis of the…

Solar and Stellar Astrophysics · Physics 2026-04-22 Srinivas M Rao , Jeewan C Pandey , Nikita Rawat , Simone Scaringi , Arti Joshi , David A. H. Buckley , Ajay Kumar Singh

We present the preliminary timing analysis of confirmed intermediate polar UU Col and possible intermediate polar Swift J0939.7-3224 in the optical band with the help of long-term, high-cadence continuous photometry from Transiting…

Solar and Stellar Astrophysics · Physics 2023-07-25 Nikita Rawat , J. C. Pandey , Arti Joshi , Srinivas M Rao , Michaël De Becker

To measure the spin period of the white dwarf in V1033 Cas with high precision, we performed extensive photometry. Observations were obtained over 34 nights in 2017. The total duration of the observations was 143 h. We found that the spin…

Solar and Stellar Astrophysics · Physics 2019-11-26 V. P. Kozhevnikov

We present analyses of an Intermediate Polar, IGR J15094-6649, based on the archival optical data obtained from the Transiting Exoplanet Survey Satellite (TESS) and X-ray data obtained from the Suzaku, NuSTAR, and Neil Gehrels Swift…

High Energy Astrophysical Phenomena · Physics 2023-04-19 Arti Joshi , Nikita Rawat , Axel Schwope , J. C. Pandey , Simone Scaringi , D. K. Sahu , Srinivas M Rao , Mridweeka Singh

The detection of the orbital period of 4.36his reported for the new Intermediate Polar 1 WGA 1958.2+3232. The orbital period was derived from time-resolved photometric and spectral observations. We also confirmed the 733 sec spin period of…

We analysed high time-resolution optical photometric data from the Transiting Exoplanet Survey Satellite (TESS) to study the timing behaviour of four intermediate polar-like objects, namely, V1460 Her, 1RXS J045707.4+452751, Swift…

Solar and Stellar Astrophysics · Physics 2025-06-06 Srinivas M Rao , Jeewan C Pandey , Nikita Rawat , Arti Joshi , Ajay Kumar Singh

Intermediate polars with known rates of spin period changes are not numerous because such tasks require measurements performed for a long time. To measure a spin period change, MU Cam is a good candidate because it has a spin oscillation…

Solar and Stellar Astrophysics · Physics 2016-09-28 V. P. Kozhevnikov

Detailed timing analyses of three cataclysmic variables, namely 2MASS J09213414$-$5939068, IGR J16167$-$4957, and V667 Pup are carried out using the long-baseline and high-cadence optical photometric data from the Transiting Exoplanet…

Solar and Stellar Astrophysics · Physics 2024-01-30 Arti Joshi

To obtain the spin period of the white dwarf in the intermediate polar V2069 Cyg with high precision, we fulfilled extensive photometry. Observations were performed within 32 nights, which have a total duration of 119 hours and cover 15…

Solar and Stellar Astrophysics · Physics 2017-06-28 V. P. Kozhevnikov

We report on optical follow-up observations of an X-ray source initially detected by the Einstein Probe mission. Our investigations categorize the source as an intermediate polar, a class of magnetic cataclysmic variables, exhibiting an…

We report the results of photometry of the intermediate polar V647 Aur. Observations were obtained over 42 nights in 2012 and 2013. The total duration of the observations was 246 h. We clearly detected three oscillations with periods of…

Solar and Stellar Astrophysics · Physics 2015-06-22 V. P. Kozhevnikov

We report results of photometry of the intermediate polar V515 And. The observations were obtained over 33 nights in 2008 and 2009. The total duration of the observations was 233 h. We clearly detected two oscillations with periods of…

Solar and Stellar Astrophysics · Physics 2015-06-04 V. P. Kozhevnikov

We present near-infrared $J$ band photometric observations of the intermediate polar WX Pyx. The frequency analysis indicates the presence of a period at 1559.2 $\pm$ 0.2 seconds which is attributed to the spin period of the white dwarf.…

Solar and Stellar Astrophysics · Physics 2015-03-19 V. H. Joshi , N. M. Ashok , D. P. K. Banerjee

We present the hard X-ray time-averaged spectrum of the intermediate polar V709 Cas observed with INTEGRAL. We performed the observation using data from the IBIS/ISGRI instrument in the 20-100 keV energy band and from JEM-X at lower energy…

Astrophysics · Physics 2009-11-11 M. Falanga , J. M. Bonnet-Bidaud , V. Suleimanov

We report the results of long-term time series photometry on RX J2133.7+5107 (also known as 1RXS J213344.1+510725) obtained at several observatories. Using data taken during 17 years, we determined the current value of the spin period of…

Solar and Stellar Astrophysics · Physics 2025-01-06 V. Breus , I. L. Andronov , P. Dubovsky , Y. Kim , J. N. Yoon , K. Petrik

Time resolved photometry of the long-period intermediate polar V1062 Tau confirmed the presence of the previously reported orbital and spin periods, and revealed the presence of a third one, corresponding to the beat of the two. While the…

Astrophysics · Physics 2009-11-10 Y. M. Lipkin , E. M. Leibowitz , M. Orio

We report the identification of the cataclysmic variable 1RXSJ062518.2+733433 as an intermediate polar. The orbital period of the system is determined to be 283.0+-2 min from the radial velocity variation of Halpha, measured in an extensive…

Astrophysics · Physics 2009-11-07 S. Araujo-Betancor , B. T. Gaensicke , H. -J. Hagen , P. Rodriguez-Gil , D. Engels
‹ Prev 1 2 3 10 Next ›