Soyuz 39

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Mission emblem
Mission emblem
Mission dates
Mission: Soyuz 39
COSPAR-ID : 1981-029A
Spacecraft: Soyuz 7K-T ( GRAY index  11F615A8)
serial number 55
Dimensions: 6800 kg
Launcher: Soyuz U (GRAY index 11A511U)
Call sign: Памир (" Pamir ")
Crew: 2
Begin: March 22, 1981, 14:58:55  UTC
Starting place: Baikonur 1/5
Space station: Salyut 6
Coupling: March 23, 1981, 16:28 UTC
Decoupling: March 30, 1981, 08:15 UTC
Landing: March 30, 1981, 15:54:00 UTC
Landing place: 175 km southeast of Djeskazgan
Flight duration: 7d 20h 42m 3s
Earth orbits: 124
Rotation time : 88.0 (91.3) min
Apogee : 282.8 (356.3) km
Perigee : 197.5 (342.2) km
◄ Before / After ►
Soyuz T-4
(manned) 		Soyuz 40
(manned)

Soyuz 39 is the mission name for the flight of a Soviet Soyuz spacecraft to the Soviet space station Salyut 6, which started on March 22, 1981 . It was the 16th visit by a manned Soyuz spacecraft to this space station and the 63rd flight in the Soviet Soyuz program.

crew

Main crew

Substitute team

Mission overview

With Soyuz 39, the 8th Interkosmos crew (also the 9th visiting team Salyut 6 EP-9 ) was brought to the Salyut 6 station. There she visited the 6th regular team (Salyut 6 EO-6) consisting of Vladimir Kowaljonok and Viktor Savinych , which had started with Soyuz T-4 .

On March 24, 1981, the cosmonauts installed cosmic ray detectors in the work and transition sections. On March 26, 1981 the "Illuminator" experiment was carried out. The aim was to determine the impairment of visibility caused by scratches caused by mirco meteorites in the portholes. The experiment called "hologram" served the same purpose on March 27, 1981. The experiment was repeated a day later. At the same time, air and microflora samples of the station atmosphere were taken and the radiation detectors dismantled so that they could be taken back to earth. As with the other Interkosmos expeditions, the earth observations of the home country of the visit took up a large area (March 28 and 29).

As with Soyuz 38 , no spaceship swap was carried out, and Janibekov and Gurragchaa returned to Earth with Soyuz 39.

See also

Web links