Optical observations of meteors in RI Nikolaev Astronomical Observatory
Abstract
Video observations of meteors at the RI NAO are conducted using meteor patrol, which includes 6 optical telescopes (4 lenses: f = 85 mm, f/1.8; 2 lenses: f = 100 mm, f/2.0) equipped with a TV CCD cameras WAT-902H2 (768×576, 8.6×8.3µ). The field of view of 4 telescopes is 3.2°×4.2° and 2.7°×3.6° for 2 telescopes. System doesn't have any intensifier. Each video system is contained in a hermetic capsule to prevent it from rain and other aggressive meteorological conditions. Cameras work in the interlace mode with rate 50 half-frames per second.During 2011-2014 4135 single station meteors were observed. The mean duration of observed meteor trajectories are in 0.05-0.6 s. Double station observation campaigns has been started in September 2013 and it is still working with baseline 11.8 km. During September 2013 - September 2014 total number of observed meteor trajectories was 1757. Number of double station meteors - 328. The mean accuracy of visible radiant determination is less than 0.5 arc sec, more than 80% of radiates have standard deviation less than 0.2 arc sec.
- Publication:
-
IAU General Assembly
- Pub Date:
- August 2015
- Bibcode:
- 2015IAUGA..2256807S