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: http://cosmos.msu.ru/eng/microsat.html
Дата изменения: Fri Dec 9 15:49:33 2005 Дата индексирования: Mon Oct 1 19:39:02 2012 Кодировка: Windows-1251 Поисковые слова: п п п п п п п п п п t tauri |
Structure of the supersmall satellites |
Scientific equipment |
Supersmall satellite "Universitetskiy" is manufactured by Production Corporation "Polyot" (Omsk, Russia) in the interests of Lomonosov Moscow State University.
Supersmall satellite "Kompas-2" is a pilot project of multi-satellite system which is intended for prediction and motnitoring of natural and technologenical disasters. This system is developed in terms of the Russian Federal space program for 2001-2005 confirmed by Rosaviakosmos. The Federal space agency is the customer of the project, the R&D electromechanical Institute is the head subdivision, Institute of Terrestrial Magnetism, Ionosphere and Radiowave Propagation (IZMIRAN) and the Makeev state rocket center are contractors of the project.
Table 1. The main characteristics of the satellites. |
"Universitetskiy" | "Kompas-2" | |
Total weight | 31 kg | 80 kg |
Carrier rocket | "Kosmos-3M" | "Shtil'" |
Launch type | passing ground |
main submarine |
Parameters of the orbit | ||
altitude | 1000 km | 400-620 km |
inclination | 83њ | 79њ |
Active life period | > 1 year | 1-2 years |
Orientation accuracy | + (1.0њ - 3.0њ) | + (1.0њ - 3.0њ) |
Power supply | ||
average daily power | 7 W | 25 W |
voltage | 12 - 18 V | 18-36 V |
Table 2. The main characteristics of the equipment. |
"Universitetskiy" | "Kompas-2" | |
Weight | 7.2 kg | 20 kg |
Power consumption | ≤ 4.6 W | ≤ 3 W |
Information traffic | ≥ 100 kbites/day | ~ 2 Mbites/day |
Table 3.1. Composition of the scientific equipment of the "Universitetskiy" satellite. |
Group of detectors | Type of detectors | Covered by | Energy of the detected particles |
Geometric factor, G sm2sr |
---|---|---|---|---|
BD1 | SBT-9 | 10 mkm Al | Ее > 40 keV Ep > 1 MeV |
4·10-4 |
BD1 | SBM-20 | 1 mm Al + 3 mm Pb |
Ee > 5 MeV Ep > 40 MeV |
54 |
BD2 | Semiconductor detector 300 mkm Si (single) |
10 mkm Al | Ee > 70 keV Ep > 0.8 MeV Ep = 2.2-14 MeV Ep = 1-100 MeV |
9.7·10-2 |
BD3 | Semiconductor detector 300 mkm Si |
300 mkm Al | Ee = 0.3-0.6 MeV Ep > 7 MeV Ep = 7-15 MeV |
9.7·10-2 |
BD3 | Semiconductor detector 1000 mkm Si |
~ 1 mm Al | Ee = 0.6-0.8 MeV Eе > 7 MeV Ep = 15-40 MeV |
2·10-2 |
BD4 | Scintillation detector CsJ(Tl) 15×20 mm |
~ 2 mm Al | Ee > 3.5 MeV Ep > 20 MeV Ee > 11 MeV Ep > 23 MeV Ep = 40-100 MeV |
25 |
BD4 | Scintillation detector CsJ(Tl) 15×20 mm |
~ 7 mm Al + 3 mm Pb |
Ee > 18 MeV Ep > 60 MeV Eα > 240 MeV |
25 |
BA | Ee ~ 1 keV | 3·10-5 sm2·sr·keV | ||
DUV | Photoelectronic multiplier protected against charged particles | UV λ = 300-400 nm opening 15° |
Table 3.2. Composition of the scientific equipment of the "Kompas-2" satellite. |
Group of detectors | Type of detectors | Covered by | Energy of the detected particles |
Geometric factor, G sm2sr |
---|---|---|---|---|
BD1 | Semiconductor detector 300 mkm Si |
300 mkm Al | Ee = 300-600 keV Ep = 7-16 MeV |
5·10-2 - 10-1 |
BD1 | Semiconductor detector 1000 mkm Si |
1 mm Al | Ee = 700-900 keV Ee > 900 keV Ep = 14-60 MeV |
5·10-2 - 10-1 |
BD4 | Scintillation detector CsJ(Tl) 15×20 mm |
~ 4 mm Al + 11 mm Pb |
Ep > 110 MeV Eα > 400 MeV Ep = 14-60 MeV |
40 |
BD3 | SBT-9 | 10 mkm Al | Ee ≤ 40 keV Ee ≤ 900 keV Ep = 14-60 MeV |
5·10-3 - 10-2 |
DUV | Photoelectronic multiplier protected against charged particles | UV λ = 300-400 nm opening 15° |
The scientific equipment "Tatiana" described in the Table 3.2 is a part of the measuring complex of the "Kompas-2" satellite, which is developed for the detection and registration of the abnormal physical phenomena resulted from seismic activity, for their operative analysis and selection of the strong earthquakes precursors, and also for the global monitoring of the abnormal seismogenic phenomena and their consequences.
The scientific complex of the "Kompas-2" satellite includes the following equipment produced by Russian, foreign and joint companies: ULF/VLF wave complex, double-frequency transmitter "Mayak", GPS measuring instrument, scientific equipment "Tatiana", radio-frequency analyser.
©Skobeltsyn Institute of Nuclear Physics, 2003 - 2005.