Query : 2001A&A...366..891K

2001A&A...366..891K - Astronomy and Astrophysics, volume 366, 891-897 (2001/2-2)

Detection of optical oscillations of the intermediate polar V709 Cassiopeae (RX J0028.8+5917).


Abstract (from CDS):

We report detection of low-amplitude optical oscillations at periods of 312.77 s and 317.94 s of the intermediate polar V709 Cas. Within the accuracy of measurement these periods agree with the X-ray period reported by Motch et al. (1996A&A...307..459M) and refined by Norton et al. (1999A&A...347..203N) and its synodic counterpart if we specify an orbital period of 5.4 h, which is one of the two possible orbital periods reported by Motch et al. (1996A&A...307..459M). The oscillation at a period of 317.94 s has the strong first harmonic which is evidence for the nonsinusoidal pulse profile of this oscillation. The data folded at a period of 317.94 s reveal a double-peaked pulse profile of this oscillation, which is highly variable from night to night. A weak periodic signal corresponding to the first harmonic of the oscillation at a period of 312.77 s is also detected in the lightcurves of V709 Cas.

Abstract Copyright:

Journal keyword(s): stars: individual: V709 Cas - stars: novae, cataclysmic variables - stars: oscillations

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
1 V* V709 Cas CV* 00 28 48.8267393856 +59 17 22.033767228     14.01     ~ 124 0
2 V* PQ Gem CV* 07 51 17.3280306912 +14 44 23.874868716           ~ 219 0

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