4FGL J2054.2+6904: A Binary “Redback” Pulsar

The γ-ray source 4FGL J2054.2+6904 discovered with Fermi was recently classified as a pulsar candidate. Its possible X-ray and optical counterpart was identified with Swift. Using Zwicky survey data we show that the counterpart is variable in the optical with the period of about 7.5 h. The shape of...

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Veröffentlicht in:	Technical physics 2024-05, Vol.69 (5), p.1479-1481
Hauptverfasser:	Zyuzin, D. A., Karpova, A. V., Shibanov, Yu. A., Gilfanov, M. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Binary stars Classical and Continuum Physics Gamma ray sources Light curve Millisecond pulsars Optical counterparts (astronomy) Physics Physics and Astronomy Sky surveys (astronomy) Spectral energy distribution X ray spectra X-ray astronomy X-rays
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