Optical SETI Map Conferences Map Illustrations Map Photo Galleries Map Observations Map Constructing Map
Search Engines Contents Complete Site Map Tech. Support Map Order Equip. Map OSETI Network

Search WWW Search www.coseti.org Search www.oseti.net Search www.photonstar.org Search www.opticalseti.org

colorbar.gif (4491 bytes)


Interstellar Doppler Chirps


    Microwave Visible
Wavelength   0.20 m 656 nm
Frequency   1.5 GHz 457 THz
Transmitter on surface of rotating alien planet 0.46 km/s 0.17 Hz/s 51.4 kHz/s
Transmitter in synchronous orbit about alien planet 3.07 km/s 1.12 Hz/s 341 kHz/s
Extra-solar planet in orbit about alien star 29.8 km/s 0.03 Hz/s 9.05 kHz/s
Relative (radial) motion between alien star system and Sol 20.0 km/s ~ 0 Hz/s ~ 0 Hz/s


Alien star/planet system assumed similar to Sol/Earth.


Home Glossary
SPIE's OSETI I Conference SPIE's OSETI II Conference
SPIE's OSETI III Conference
The Columbus Optical SETI Observatory
Copyright , 1990-2006 Personal Web Site:
Last modified:  10/28/06
Contact Info