PARISEE SHIRKE
Articles written in Journal of Astrophysics and Astronomy
Volume 42 All articles Published: 28 June 2021 Article ID 0058 SCIENCE RESULTS
PARISEE SHIRKE SUMAN BALA JAYASHREE ROY DIPANKAR BHATTACHARYA
We present the timing results of out-of-eclipse observations of Centaurus X-3 spanning half a binary orbit, performed on 12–13 December, 2016 with the Large Area X-ray Proportional Counter (LAXPC) on-board AstroSat. The pulse profile was confirmed to exhibit a prominent pulse peak with a secondary inter-pulse. The systemic spin period of the pulsar was found to be $4.80188 \pm 0.000085$ s in agreement with its spin up trend. The spin up timescale seems to have increased to $7709\pm 58$ yr that points to negative torque effects in the inner accretion disk. We also report the derived values of projected semi-major axis and orbital velocity of the neutron star.
Volume 43, 2022
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