Seminars at FGG
SiFAP2@TNG: look inside fast periodic and transient phenomena at sub-µs time sc
Speaker: Filippo Ambrosino (Universitá La Sapienza, Roma)
Date and time: 2023-05-16 12:00
In recent years, high time resolution astronomy is proving its extreme effectiveness in deepening the knowledge of periodic and transient astrophysical phenomena occurring over large time scales. The Silicon Fast Astronomical Photometer and Polarimeter (SiFAP2), instrument operating in the optical band (320-900 nm) with a relative time resolution of 8 ns and permanently mounted to the Galileo National Telescope (TNG), has already demonstrated its remarkable potential by discovering the first optical millisecond pulsars. Thanks to its versatility, SiFAP2 can be used for the study of many scientific topics, from exoplanets to the electromagnetic counterpart of gravitational events. I will present the working principle of SiFAP2, and results obtained from observations of the Crab Pulsar, the transitional millisecond pulsar PSR J1023+0038, the accreting millisecond pulsar SAX J1808.4-3658, lunar/asteroidal occultations and preliminary results obtained on the redback millisecond pulsar PSR J2339-0533. I will also show future perspectives and technological improvements for SiFAP2 including the new fast photometer (e-SiFAP) funded by PNRR project.