Bjørn Ragnvald Pettersen
Norwegian Univ. of Environmental and Life Sciences
Faculty of Science and Technology
P O Box 5003
1432 Ås
Norway
NCA adherence: Norway
Last updated:
July 20, 2018
IAU Status
Active Member
Affiliation(s) within the IAU
Past affiliation(s) within the IAU
- Past Member of Commission 27 Variable Stars (until 2015)
- Past Member of Commission 41 History of Astronomy (until 2015)
- Past Member of Commission 41 WG Astronomy and World Heritage (until 2015)
- Past Member of Commission 41 WG Historical Instruments (until 2015)
- Past Member of Division V Variable Stars (until 2012)
- Past Member of Division XII Union-Wide Activities (until 2012)
Areas of interest
1 - General: 1.3 - History and philosophy of astronomy, 1.9 - Astronomy outreach
3 - Astronomical instrumentation, methods and techniques: 3.8 - Space instruments, 3.10 - Telescopes: optical, 3.11 - Telescopes: radio
5 - Astrometry and celestial mechanics: 5.1 - Astrometry, 5.8 - Reference systems
6 - The Sun: 6.10 - Sun: flares
7 - Planetary systems: 7.1 - Earth, 7.3 - Comets, 7.8 - Minor planets, asteroids, 7.10 - Planets and satellites:, 7.14 - Exoplanets
8 - Stars: 8.3 - Stars: chromospheres, 8.8 - Stars: coronae, 8.12 - Stars: fundamental parameters, 8.21 - Stars: low-mass, 8.33 - Stars: rotation