Astronomische Nederlandse Satelliet (ANS)
Astronomische Nederlandse Satelliet (ANS)
was launched by a American Scout rocket from the Western Test Range,
California, on August 30 1974 into a polar orbit. It was a collaborative effort
between the Netherlads (NIVR) and USA (NASA).
The University of Groningen and Utrecht (Netherland) provided the
Ultraviolet and the Soft X-ray experiments, the American
Science and Engineering provided the hard X-ray experiment.
Mission Characteristics
Lifetime :
30 August 1974 - 14 June 1977 Energy Range :
0.1 - 30 keV (X-ray) 1500-3300 (UV) Payload :- Ultraviolet experiment (1500-3300Å)
- Soft X-ray experiment (SXX) composite of two parts
- Parabolic mirror (eff area=144 cm2)
with a small area proportional counter on the focal plane
0.16-0.28 keV 34´ FOV - Proportional counter 1-7 keV eff area=45 cm2 38´ X 75´ FOV
- Parabolic mirror (eff area=144 cm2)
with a small area proportional counter on the focal plane
- Hard X-ray experiment (HXX) composite of two parts
- LAD 10´ x 3° FOV 1-30 keV eff
area=40cm2
- Bragg Crystal Assembly (BCA) to search for Si lines
- LAD 10´ x 3° FOV 1-30 keV eff
area=40cm2
Science Highlights:
- Discovery of the X-ray bursts
- Detection of X-ray from Stellar Coronae (Capella)
- First detection of X-ray flares from UV Ceti and YZ CMi
Archive : No data available at HEASARC
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Last modified: Thursday, 26-Jun-2003 13:48:54 EDT