2020MNRAS.498L..98B

Query : 2020MNRAS.498L..98B

2020MNRAS.498L..98B - Mon. Not. R. Astron. Soc., 498, L98-L103 (2020/October-2)

Spin-down rate of the transitional millisecond pulsar PSR J1023+0038 in the optical band with Aqueye+.

BURTOVOI A., ZAMPIERI L., FIORI M., NALETTO G., SPOLON A., BARBIERI C., PAPITTO A. and AMBROSINO F.

Abstract (from CDS):

We present a timing analysis of the transitional millisecond pulsar PSR J1023+0038 using observations taken between 2018 January and 2020 January with the high time resolution photon counter Aqueye+ mounted at the 1.82 m Copernicus telescope in Asiago. We report the first measurement of the timing solution and the frequency derivative of PSR J1023+0038 based entirely on optical data. The spin-down rate of the pulsar is (-2.53 ± 0.04) x 10–15 Hz2, which is ∼20 per cent slower than that measured from the X-ray observations taken in 2013-2016 and ∼5 per cent faster than that measured in the radio band during the rotation-powered state.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): accretion, accretion discs - stars: neutron - X-rays: binaries

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 PSR J1023+0038 Psr 10 23 47.6841824712 +00 38 41.005893516     17.31     GV 397 0
2 XSS J12270-4859 Psr 12 27 58.7476831464 -48 53 42.824592960           ~ 270 0
3 PSR J1824-2452A Psr 18 24 32.009 -24 52 11.10           ~ 499 2

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