Encyclopedia Astronautica
ABRIXAS



abrixas.jpg
Abrixas
German x-ray astronomy satellite. One launch, 1999.04.28. X-ray astronomy satellite with the mission to carry out an all-sky survey in the 1-10 keV band with 30 arcsecond resolution.

MPE/Garching and the Astrophysical Institute in Potsdam developed the scientific payload, a set of seven hard X-ray imaging telescopes with an X-ray CCD detector. The mission complemented MPE's existing all sky survey in the 0.1-2 keV soft band made by the ROSAT satellite.

ABRIXAS (A BRoad band Imaging X-ray All-sky Survey) was a German national X-ray satellite with seven 27-fold nested Wolter-1 telescopes, sharing one 6 6 cm2 pn-CCD detector (copy of the EPIC camera developed for XMM) in the focus. ABRIXAS was to perform the first complete all-sky survey with imaging telescopes in the medium energy X-ray range (0.5 - 15 keV). During a three-years scanning mission it was expected to detect at least 10.000 new hard X-ray sources obscured by gas and dust clouds. It would also study diffuse X-ray sources and bright time-variable X-ray sources.

Abrixas was launched on 28 April 1999 from Kapustin Yar. After three days in orbit the launch battery charged the main battery of the satellite in error and destroyed it. Contact with the satellite was not possible. Attempts to activate Abrixas when its solar cells were illuminated by the sun between 25 June and 1 July failed as well. The 20 million dollar project was therefore abandoned.

Gross mass: 470 kg (1,030 lb).
First Launch: 1999.04.28.
Number: 1 .

More... - Chronology...


Associated Countries
See also
  • Kosmos 3 In 1961 Isayev and Reshetnev developed the Voskhod space launch system on the basis of the R-14 IRBM. The initial version of the two stage rocket was designated Kosmos-1. The first 'Voskhod' launch complex was at Baikonur, a modification of one of the pads at the R-16 ICBM launch complex 41. More...

Associated Launch Vehicles
  • Kosmos 3 Russian orbital launch vehicle. In 1961 Isayev and Reshetnev developed the Voskhod space launch system on the basis of the R-14 IRBM. The initial version of the two stage rocket was designated Kosmos-1. The first 'Voskhod' launch complex was at Baikonur, a modification of one of the pads at the R-16 ICBM launch complex 41. More...
  • Kosmos 11K65M Russian orbital launch vehicle. Definitive and prolific production version of satellite launcher based on Yangel R-14 IRBM. After further development at NPO Polyot (Omsk, Chief Designer A S Klinishkov), the modified Kosmos-3M added a restartable second stage with an orientation system. This booster was launched form two 'Cusovaya' launch complexes from 1967. The second stage used low thrust rockets using gas generator output to adjust the final velocity of the stage More...

Associated Manufacturers and Agencies
  • DLR German agency overseeing development of spacecraft. Deutsche Agentur fuer Raumfahrtangelegenheiten, Cologne, Germany. More...
  • Bremen German manufacturer of rockets and spacecraft. OHB System GmbH, Germany. More...

Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
  • McDowell, Jonathan, Jonathan's Space Report (Internet Newsletter), Harvard University, Weekly, 1989 to Present. Web Address when accessed: here.

Associated Launch Sites
  • Kapustin Yar Russia's first missile test range and used for satellite launches of smaller Kosmos vehicles. V-2's launched from here in 1946 were the first ballistic missiles fired on Soviet territory. It was greatly expanded as the test site for innumerable Soviet intermediate and short range missile projects in the 1950's.. Kapustin Year was also headquarters of the first operational R-1/R-2 units, 1950-1953, and later a base for 12 operational R-14 missile launchers. Kapustin Yar was known to have been used for over 3519 major launches from 1946 to 2007. More...

ABRIXAS Chronology


1999 April 28 - . 20:30 GMT - . Launch Site: Kapustin Yar. Launch Complex: Kapustin Yar LC107/1. Launch Pad: LC107/pad?. LV Family: Kosmos 3. Launch Vehicle: Kosmos 11K65M. LV Configuration: Kosmos 11K65M 65036-413.
  • ABRIXAS - . Mass: 470 kg (1,030 lb). Nation: Germany. Agency: DLR. Manufacturer: Bremen. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: ABRIXAS. USAF Sat Cat: 25721 . COSPAR: 1999-022A. Apogee: 599 km (372 mi). Perigee: 550 km (340 mi). Inclination: 48.5000 deg. Summary: X-ray astronomy satellite with the mission to carry out an all-sky survey in the 1-10 keV band. The satellite's battery failed and contact was lost on May 1..

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