Tuorla Observatory
- Ultraluminous X-ray sources as neutrino pulsars (2018)
- Ultrasoft state of microquasar Cygnus X-3: X-ray polarimetry reveals the geometry of the astronomical puzzle (2024)
- ULX pulsar Swift J0243.6+6124 observations with NuSTAR: dominance of reflected emission in the super-Eddington state (2022)
- Unambiguous radio detection of the tidal disruption event AT2019dsg with e-MERLIN (2019)
- Uncovering the geometry of the hot X-ray corona in the Seyfert galaxy NGC 4151 with IXPE (2023)
- Unelmien siivet (2018)
- Unfolding the organised irresponsibility: Ecosystem approach and the quest for forest biodiversity in Finland, Peru, and Russia (2011)
- Unprecedented gamma-ray flare from PG1553+113 in spring 2012 (2012)
- Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010 (2015)
- Unraveling the Complex Behavior of Mrk 421 with Simultaneous X-Ray and VHE Observations during an Extreme Flaring Activity in 2013 April* (2020)





