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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 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 have identified a new intermediate polar, HS 0943+1404, as part of our ongoing search for cataclysmic variables in the Hamburg Quasar Survey. The orbital and white dwarf spin periods determined from time-resolved photometry and…

We present the first time resolved medium resolution optical spectroscopy of the recently identified peculiar Intermediate Polar (IP) 1RXSJ154814.5-452845, which allows us to precisely determine the binary orbital period…

Astrophysics · Physics 2009-11-11 D. de Martino , J. -M. Bonnet-Bidaud , M. Mouchet , B. T. Gaensicke , F. Haberl , C. Motch

Based on the X-ray observations from XMM-Newton and Swift, and optical observations from Transiting Exoplanet Survey Satellite (TESS) and AAVSO, we present temporal and spectral properties of probable intermediate polar SWIFT J0503.7-2819.…

High Energy Astrophysical Phenomena · Physics 2022-10-05 Nikita Rawat , J. C. Pandey , Arti Joshi , Simone Scaringi , Umesh Yadava

We present optical photometry, spectroscopy and photopolarimetry, as well as ASCA X-ray observations, of the recently discovered intermediate polar 1WGA J1958.2+3232. Through the first detection of an optical beat frequency, we confirm the…

Astrophysics · Physics 2009-11-07 A. J. Norton , H. Quaintrell , S. Katajainen , H. J. Lehto , K. Mukai , I. Negueruela

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 present the first optical photometry of the counterpart to the candidate intermediate polar RX J0153.3+7446. This reveals an optical pulse period of 2333s +/- 5s. Reanalysis of the previously published ROSAT X-ray data reveals that the…

Astrophysics · Physics 2009-11-11 A. J. Norton , J. D. Tanner

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

Aims: We investigate the physical nature of the X-ray emitting source 1RXS J165443.5-191620 through optical photometry and time-resolved spectroscopy. Methods: Optical photometry is obtained from a variety of telescopes all over the world…

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 photometry of the intermediate polar FO Aquarii obtained as part of the K2 mission using the Kepler space telescope. The amplitude spectrum of the data confirms the orbital period of 4.8508(4) h, and the shape of the light curve…

Solar and Stellar Astrophysics · Physics 2016-06-01 M. R. Kennedy , P. Garnavich , E. Breedt , T. R. Marsh , B. T. Gaensicke , D. Steeghs , P. Szkody , Z. Dai

Recently, Norton et al. 2002, on the basis of multiwavelength photometry of 1WGA J1958.2+3232, argued that the -1 day alias of the strongest peak in the power spectrum is the true orbital period of the system, casting doubts on the period…

Astrophysics · Physics 2009-11-07 Sergei V. Zharikov , Gaghik H. Tovmassian , Juan Echevarria

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

From photometric observations of the old nova RW UMi (1956) we have discovered the presence of five sub-orbital periodicities. The longest period, P1 = 54.4 min, always observed, could be the beat period between the orbital period and the…

Astrophysics · Physics 2007-05-23 A. Bianchini , C. Tappert , H. Osborne , Ronald Canterna , F. Tamburini

We present high speed optical, spectroscopic and Swift X-ray observations made during the dwarf nova superoutburst of CC Scl in November 2011. An orbital period of 1.383 h and superhump period of 1.443 h were measured, but the principal new…

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 briefly describe a serendipitous observation of the little-studied intermediate polar WX Pyx using XMM-Newton. The X-ray spin period is 1557.3 sec, confirming the optical period published in 1996. An orbital period of approximately 5.54…

Astrophysics · Physics 2009-11-10 Eric M. Schlegel

Using X-ray observations from the NuSTAR and Swift satellites, we present temporal and spectral properties of an intermediate polar (IP) IGR J16547-1916. A persistent X-ray period at ~ 546 s confirming the optical spin period obtained from…

High Energy Astrophysical Phenomena · Physics 2022-01-05 A. Joshi , W. Wang , J. C. Pandey , K. P. Singh , S. Naik , A. Raj , G. C. Anupama , N. Rawat

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
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