Astronomers using the WEBT telescope network discovered a 433-day optical oscillation in quasar 3C 454.3, one of the most persistent QPOs ever detected.
← News
Space Frontiers Space Frontiers Knowledge
Bright blazar reveals 433-day optical quasi-periodic oscillation across nine years
433 days QPO period
19 years Observation span
0.86 Redshift
0.5–2.3 Billion solar masses SMBH mass
Optical QPO Period 433-day
Observations Analyzed 19 years
Solar Masses (SMBH) 0.5–2.3 billion