Small Astronomy Satellite 3
| SAS-C (Explorer 53) | |
|---|---|
|
|
| Type: | X-ray satellite |
| Country: |
 United States
|
| Operator: |
 NASA
|
| COSPAR-ID : | 1975-037A |
| Mission dates | |
| Dimensions: | 195 kg |
| Begin: | May 7th 1975 |
| Starting place: | San Marco platform |
| Launcher: | Scout F-1 S194C |
| Status: | burned up on April 9, 1979 |
| Orbit data | |
| Rotation time : | 94.7 min |
| Orbit inclination : | 3.0 ° |
| Apogee height : | 507 km |
| Perigee height : | 498 km |
The Small Astronomy Satellite 3 (also SAS-C , SAS-3 or Explorer 53 ) was an X-ray satellite from NASA .
mission
SAS-3 was launched into low equatorial earth orbit on May 7, 1975 with a Scout missile from the San Marco platform . The satellite was spin-stabilized , but the rotation could also be stopped temporarily to observe individual objects. The mission ended in April 1979.
SAS-3 had four different experiments that could detect X-rays with energies between 0.1 and 60 keV . Particular emphasis was placed on good positioning of X-ray sources with an accuracy of about 15 arc seconds in order to be able to better identify them with known celestial objects. This enabled sources with X-ray bursts with close binary stars to be identified and certain X-ray sources to be recognized as white dwarfs , quasars and core regions of globular clusters .
Web links
- NASA: The Third Small Astronomy Satellite (SAS-3) (English)
- SAS in the Encyclopedia Astronautica (English)
- SAS-C on Gunters Space Page (English)
Individual evidence
- ↑ SAS-C in the NSSDCA Master Catalog , accessed on August 1, 2014 (English).
- ↑ SAS in the Encyclopedia Astronautica , accessed on September 26, 2012 (English).
Explorer 1 x 2 x 3 x 4 x 5 x S-1 x 6 (S-2) x 7 (S-1a) x S-46 x 8 (S-30) x S-56 x 9 (S-56a) · S-45 · 10 (P-14) · 11 (S-15) · S-45a · S-55 · 12 (EPE-A) · 13 (S-55) · 14 (EPE-B) · 15 ( EPE-C) · 16 (S-55 b) · 17 (AE-A) · 18 (IMP-A) · 19 (AD-A) · BE-A · 20 (IE-A) · 21 (IMP-B) · 22 (BE-B) · 23 (S 55c) · 24 (AD-B) · 25 (IE-B) · 26 (EPE-D) · 27 (BE-C) · 28 (IMP-C) · 29 (GEOS-A) x 30 (SE-A) x 31 (DME-A) x 32 (AE-B) x 33 (IMP-D) x 34 (IMP-F) x 35 (IMP-E) x 36 (GEOS-B) x 37 (SE-B) x 38 (RAE-A) x 39 (AD-C) x 40 (IE-C) x 41 (IMP-G) x 42 (SAS-A) x 43 ( IMP-H) x 44 (SE-C) x 45 (SSS-A) x 46 (MTS-A) x 47 (IMP-I) x 48 (SAS-B) x 49 (RAE-B) x 50 (IMP -J) · 51 (AE-C) · 52 (IE-D) · 53 (SAS-C) · 54 (AE-D) · 55 (AE-e) · DAD-A · DAD B · 56 (ISEE- 1) · 57 (IUE) · 58 (HCMM) · 59 (ISEE-3 / ICE) · 60 (SAGE) · 61 (magsat) · 62 (DE-A) · 63 (DE-B) · 64 (SME) · 65 (CCE) · 66 (COBE) · 67 (EUVE) · 68 (SAMPEX) · 69 (RXTE) · 70 (FAST) · 71 (ACE) · 72 (SNOE) · 73 (TRACE) · 74 (SWAS) · 75 (WIRE) · 76 (TERRIERS) · 77 (FUSE) · 78 ( IMAGE) · 79 (HETE-2) · 80 (WMAP) · 81 (RHESSI) · 82 (chipsat) · 83 (GALEX) · 84 (Swift) · 85 (THEMIS-A) · 86 (THEMIS-B) · 87 (THEMIS-C) · 88 (THEMIS-D) · 89 (THEMIS-e) · 90 (AIM) · 91 (IBEX) · 92 (WISE) · 93 (NuSTAR) · 94 (IRIS) · 95 (NICER) · 96 (TESS)