April 30, 2012Cosmic Call was the name of two interstellar radio messages that were sent from RT-70 in Yevpatoria in 1999 and 2003 to various nearby stars. The messages were designed with noise resistant format and characters.
The project was funded by Team Encounter, a Texas-based startup that went out of business in 2004.[1]
Each Cosmic Call 1 session had the following structure—Scientific Part was sent three times, Public Part (PP) was sent once, according with the next arrangement:
DDM BM AM ESM DDM BM AM ESM DDM BM AM ESM PP,
where DDM is Dutil-Dumas Message, created by Canadian scientists Yvan Dutil and Stephane Dumas, BM is Braastad Message, AM is Arecibo Message, ESM is Encounter 2001 Staff Message; more details present at Report on Cosmic Call.
Each Cosmic Call 2 session had the following structure:
DDM2 DDM2 DDM2 AM AM AM BIG BIG BIG BM ESM PP,
where DDM2 is modernized DDM, BIG is Bilingual Image Glossary; more details present at Synthesis and Transmission of Cosmic Call 2003 Interstellar Radio Message.
The messages were sent to the following stars:[2]
Name
Designation HD
Constellation
Date sent
Arrival date
Message
16 Cyg A
HD 186408
Cygnus
May 24, 1999
November 2069
Cosmic Call 1
15 Sge
HD 190406
Sagitta
June 30, 1999
February 2057
Cosmic Call 1
HD 178428
Sagitta
June 30, 1999
October 2067
Cosmic Call 1
Gl 777
HD 190360
Cygnus
July 1, 1999
April 2051
Cosmic Call 1
Hip 4872
Cassiopeia
July 6, 2003
April 2036
Cosmic Call 2
HD 245409
Orion
July 6, 2003
August 2040
Cosmic Call 2
55 Cnc
HD 75732
Cancer
July 6, 2003
May 2044
Cosmic Call 2
HD 10307
Andromeda
July 6, 2003
September 2044
Cosmic Call 2
47 UMa
HD 95128
Ursa Major
July 6, 2003
May 2049
Cosmic Call 2