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solar array, attached its electrical connections to the Mir power system, and extended it to its full 10.6-m length. The new, 22-24 m3 array brought Mir’s total capacity to 11.4 kW. The EVA lasted 3 hr, 15 min.

Kvant begins its astronomical work with a bang. The Roentgen Observatory on Kvant was uniquely placed to study Supernova 1987a in the Large Magellanic Cloud. The cosmonauts examined the exploding star during 115 sessions between June and September. |}

Soyuz-TM 2 • Mir • Kvant July 19-24, 1987

2.9.3.3 Mir Principal Expedition 2 (b)

Yuri Romanenko, Alexandr Alexandrov
Crew code name–Tamyr
Soyuz-TM 3, July 22-December 29, 1987
160 days in space

Romanenko remained on Mir after Laveikin’s departure in Soyuz-TM 2. Laveikin replaced by Alexandrov from Soyuz-TM 3. Romanenko’s total stay time on long-duration expeditions Mir-2 (a) and Mir-2 (b) was 336 days.

Soyuz-TM 2 • Mir • Kvant • Soyuz-TM 3 July 24-29, 1987
Soyuz-TM 3. Syrian guest cosmonaut Mohammed Faris and Soviet cosmonaut Alexandr Viktorenko returned to Earth in Soyuz-TM 2 with Alexandr Laveikin, who was diagnosed by ground-based doctors as having minor heart problems. He was replaced by Alexandr Alexandrov. The Visiting Expedition observed Syria and conducted materials processing experiments.[1]

Mir • Kvant • Soyuz-TM 3 July 29-30, 1987

Soyuz-TM 3 • Mir • Kvant July 30-August 5, 1987

Soyuz-TM 3 • Mir • Kvant • Progress 31 August 5-September 21, 1987
X-rays from Supernova 1987a. On August 10 the astrophysical instruments on Kvant became the first to detect X-rays from Supernova 1987a. On August 31 the cosmonauts conducted a preplanned emergency evacuation drill, retreating to Soyuz-TM 3.

Soyuz-TM 3 • Mir • Kvant September 21-26, 1987
  1. Johnson, 1988, p. 94.