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http://hdl.handle.net/20.500.12386/32000
Titolo: | Spin-down rate of the transitional millisecond pulsar PSR J1023+0038 in the optical band with Aqueye+ | Autori: | BURTOVOI, ALEKSANDR ZAMPIERI, Luca FIORI, Michele Naletto, Giampiero SPOLON, ALESSIA Barbieri, Cesare PAPITTO, ALESSANDRO AMBROSINO, Filippo |
Data pubblicazione: | 2020 | Rivista: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY. LETTERS | Numero: | 498 | Fascicolo: | 1 | Da pagina:: | L98 | Abstract: | We present a timing analysis of the transitional millisecond pulsar PSR J1023+0038 using observations taken between January 2018 and January 2020 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) × 10<SUP>-15</SUP> Hz<SUP>2</SUP>, which is ∼20% slower than that measured from the X-ray observations taken in 2013-2016 and ∼5% faster than that measured in the radio band during the rotation-powered state. | URI: | http://hdl.handle.net/20.500.12386/32000 | URL: | http://arxiv.org/abs/2007.09980v1 https://academic.oup.com/mnrasl/article/498/1/L98/5875926?login=true |
ISSN: | 1745-3925 | DOI: | 10.1093/mnrasl/slaa133 | Bibcode ADS: | 2020MNRAS.498L..98B | Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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