[seminar] Rainer Kuschnig (Fri 10th Jul, 11:00h)

[Ivica Smolic]

Dear colleagues,

I would like to invite you to the following seminar:

Rainer Kuschnig
(BRITE Instrument Scientist, Institute for Astrophysics, University of 
Vienna, Austria)

"BRITE-Constellation 'Shoebox Sized' Satellites for Variable-Star Research"

Friday, 10th of July, 11:00h, F-201

BRITE-Constellation (BRight Target Explorer) consists of six 
nano-satellites aiming to study of variability of the brightest stars in 
the sky. Austria, Poland, and Canada contribute two spacecraft each all 
launched into low earth orbits. The satellites have the same structure: 
they are 20 cm cubes, 7kg mass, with a CCD photometer fed by 3 cm 
aperture telescopes. The main difference between pairs of satellites is 
the instrument passband which set to blue (400-450nm) or red 
(550-700nm).  The main scientific objective is to obtain high precision 
two color photometry, with a time base of up to 160 days, of stars 
brighter than 4.5 mag in order to study stellar pulsations, spots, and 
granulation, eclipsing binaries, search for planets and also to enlarge 
the base of proven constant photometric standard stars.  The main 
characteristics of the mission, the scientific goals and some first 
results will be presented.

Best regards,

Ivica Smolić
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