Спутник технологический. UniBRITE. [Редактировать]

UniBRITE – канадский наноспутник

Дополнительная классификация

#Наименования
1Страна производитель - Канада
2Страна оператор(владелец) - Канада

Информация об удачном запуске

#ХарактеристикаЗначение
1Космодром Шрихарикота
2Дата пуска2013-02-25 at 12:31:00 UTC
3Полезная нагрузка 1xSARAL
4Полезная нагрузка 1xAAUSAT 3
5Полезная нагрузка 1xSapphire
6Полезная нагрузка 1xNEOSSat
7Полезная нагрузка 1xSTRaND 1
8Полезная нагрузка 1xTUGsat 1
9Полезная нагрузка 1xUniBRITE
10Ракета-носитель 1xPSLV-CA

Найдено 109 документов по запросу «UniBRITE». [Перейти к поиску]


Дата загрузки: 2017-02-06
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0.13/5
... Austrian Space Agency (FFG). Unlike UniBRITE, BRITE-Austria would be assembled... design (e.g. filter wheels). Figure 2: The UniBRITE Spacecraft (Left: Startracker Aperture, Right... 2005 when a single BRITE satellite (UniBRITE, see Figure 2) was funded by... investigation performed on the UniBRITE flight instrument. Table 2: UniBRITE Bias Level and... UniBRITE imager’s effective system gain at the different test temperatures. Table 3: UniBRITE... current test results for the UniBRITE flight instrument. Dark Current Test... dark current test are: Table 5: UniBRITE Dark Current Results 1 99.5% of... noise results for the UniBRITE flight instrument. Table 6: UniBRITE Noise Test Results... example of PSFs from the UniBRITE flight instrument before and after...: Collimating System in Cleanroom with UniBRITE Flight Instrument at the Aperture...



Дата загрузки: 2016-11-02
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0.04/5
... otros 6 satélites (SARAL, NEOSSAT, UNIBRITE, TUGSAT-1, AAUSAT-3 y SAPPHIRE). Fue enviado... otros 6 satélites (SAPPHIRE, NEOSSAT, UNIBRITE, TUGSAT-1, AAUSAT-3 Y STRAND-1). Fue enviado... 2008-021B. Ver satélite UNIBRITE. Minisatélite de la Universidad... de altitud y unos 6º de inclinación. UNIBRITE 25.02.2013 Canadá AST... otros 6 satélites (SARAL, SAPPHIRE, UNIBRITE, TUGSAT-1, AAUSAT-3 Y STRAND-1). Fue enviado... otros 6 satélites ( SARAL, NEOSSAT, UNIBRITE, TUGSAT-1, AAUSAT-3 Y STRAND-1). Fue enviado... otros 6 satélites (SARAL, NEOSSAT, UNIBRITE, TUGSAT-1, STRAND-1 y SAPPHIRE). Fue enviado... de Graz, idéntico al UNIBRITE del Canadá con su misma... otros 6 satélites (SARAL, NEOSSAT, UNIBRITE, SAPPHIRE, AAUSAT3 Y STRAND-1). Fue enviado...



Дата загрузки: 2016-11-27
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0.1/5
... Ground Segment The Austrian pair, “UniBRITE” and “BRITE-Austria”, were the... an image obtained with the UniBRITE CCD after launch, which contains... eclipsing binary pair) generated by UniBRITE (one of the two Austrian... on Small Satellites Figure 10: UniBRITE Light curve of Eta-Orionis... an image taken with the UniBRITE CCD 7 months after launch. In... light curves of α Cir from UniBRITE (UBr), BRITE-Toronto (BTr), BRITE... of BRITE-Austria Figure 21: UniBRITE and BRITE-Austria light curves...



Дата загрузки: 2017-11-24
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0.21/5
... design of that spacecraft, dubbed UniBRITE, had only just begun when.... Intended to be identical to UniBRITE, BRITE-Austria would be constructed... of six BRITE constellation nanosatellites, UniBRITE and BRITE-Austria, were launched... an image taken with the UniBRITE CCD 7 months after launch . In... an image obtained with the UniBRITE CCD after launch, which contains... the University of Vienna, compiled UniBRITE imager data to assess the... enhanced to the point where UniBRITE is now averaging in excess... eight month commissioning period for UniBRITE/BRITE-Austria, respectively, by late...-Orbit Fine Pointing Performance of UniBRITE Spacecraft. Note, pixel pitch is... continuous days of observation on UniBRITE (courtesy of Rainer Kuschnig, University... continuous days of observation on UniBRITE (courtesy of Rainer Kuschnig, University... of Eta-Orionis, taken by UniBRITE and with a binary transit clearly... Austrian spacecraft. Science Data Quality UniBRITE commenced routine science observations of... in December, BRITE-Austria joined UniBRITE on the campaign providing the... curve from Eta-Orionis, from UniBRITE data (image courtesy of Rainer... 30-35MB/station/day that UniBRITE is now obtaining (more than...



Дата загрузки: 2017-04-23
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0.06/5
... programme, and its sister satellite UniBRITE (owned by the University of... operations of both TUGSAT-1 and UniBRITE. 119 Annual Report 2015 All...: BRITE-Austria with blue filter, UniBRITE with red filter. The precision...



Дата загрузки: 2017-05-20
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0.12/5
... University of Toronto August 8, 2011 UniBRITE 25th Annual AIAA/USU Conference... hours to months. • Planned launches: UniBRITE & BRITE-Austria - Q4 2011, BRITE...



Дата загрузки: 2017-10-09
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0.11/5
... • 2 aus Österreich: TUGSAT-1/BRITE-Austria & UniBRITE • 2 aus Polen: BRITE-PL1 (LEM... Satellitenkommunikation Weitere Stationen • Wien (Backup, UniBRITE) • Toronto (BRITE-CAN-Kontrollstation) • Warschau... für Kommunikationsnetze und Satellitenkommunikation TUGSAT-1 und UniBRITE Satellit mit Auswurfmechanismus TUGSAT-1/BRITE...



Дата загрузки: 2017-02-23
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0.1/5
... Demo AISSat-1 July 12, 2010 UniBRITE BRITE-Austria February 25, 2013... apertures. Figure 1: AISSat-1 (background) and UniBRITE (foreground) The internal structural concept...



Дата загрузки: 2017-11-24
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0.11/5
... • 6 spacecraft • Austria (BRITE-Austria/TUGSAT-1 & UniBRITE) • Poland (BRITE-PL1 „Lem“ & BRITE... 9 Launch •TUGSAT-1/BRITE-Austria and UniBRITE were launched by PSLV-C20... health status • TUGSAT-1/BRITE-Austria • UniBRITE Professor Horst Cerjak, 19.12...-Austria • Toronto, Canada • Control of UniBRITE in 2013/2014 • Control of... (TUGSAT-1) • Attitude Control System Optimisation (UniBRITE) • Reduction of commissioning time • Fine...



Дата загрузки: 2017-11-24
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0.14/5
BRITE Constellation – A Case Study Otto Koudelka Graz University of Technology koudelka@tugraz.at Professor Horst Cerjak, 19.12.2005 BRITE 2014 1 BRITE (BRIght Target Explorer) • First nanosatellite constellation dedicated to an astronomy mission (astereoseismology) • 5 spacecraft operational in Space • • • Austria (BRITE-Austria/TUGSAT-1 & UniBRITE) Poland (BRITE-PL1 „Lem“ & BRITE-PL2 „Heveliusz“) Canada (BRITE-CAN1 „Toronto“) Professor Horst Cerjak, 19.12.2005 BRITE 2014 3 Scientific Goals • Photometric measurement of brightness and temperature variations of massive luminous stars (up to visual magnitude 4) • Fastest data cadence: few minutes • Time base: up to 2 years • high duty cycle • 2-colour (blue and red) • 24° field of view • Deliberately defocused Professor Horst Cerjak, 19.12.2005 BRITE 2014 4 BRITE Flight Model magnetometer S-band antenna solar cells Size: 20 x 20 x 20 cm Mass: 6.8 kg telescope Power: 6…10 W star tracker Professor Horst Cerjak, 19.12.2005 BRITE 2014 5 Attitude Control System Precise alignment of camera to target stars 3 miniature momentum wheels, magnetorquer, sun sensors, magnetometer, star sensor and attitude control computer provide alignment at arc minute level Professor Horst Cerjak, 19.12.2005 BRITE 2014 6 Communications System Frequencies – UHF: command uplink (amateur radio) – Science S-Band: science and telemetry data downlink Data rates: – Downlin: 32 - 256 kbit/s – Uplink: 9.6 kbit/s Data volume / day: ~ 20 Megabyte (spec: 2 MB) S-Band antennas Professor Horst Cerjak, 19.12.2005 Transmitter BRITE 2014 7 Launch • TUGSAT-1/BRITE-Austria and UniBRITE were launched by PSLV-C20 of ISRO/ANTRIX on 25 February 2013 from the Satish Dhawan Space Centre in Sriharikota • Sun-synchonous LEO orbit Courtesy: ISRO Professor Horst Cerjak, 19.12.2005 BRITE 2014 8 Mission Operations • 14 orbits per day • 3 orbits in morning sequence • 3 - 4 orbits in evening sequence • Automatic & remote ground stations operations supported • BRITE-Austria operated from Graz • UniBRITE operated from Toronto Professor Horst Cerjak, 19.12.2005 BRITE 2014 9 UHF Interference Persistent since October 2013 Professor Horst Cerjak, 19.12.2005 BRITE 2014 10 Green: TUGSAT-1 (Austria) Red: LEM (Poalnd) Professor Horst Cerjak, 19.12.2005 UHF Interference BRITE 2014 11 UHF Inteference Professor Horst Cerjak, 19.12.2005 BRITE 2014 12 Management • BRITE Executive Science Team (BEST)  Scientists from Austria, Canada, Poland  Defines targets • Operation teams  Prepare commands for spacecraft,  up- and downloads Professor Horst Cerjak, 19.12.2005 BRITE 2014 13 Satellite Performance Attitude Spacecraft temperature • RMS pointing stability in X / Y: 1.6 / 1.5 pixels (2 – 3 pixels) • Up to 20 subrasters: 32x32 to 24x24 pixels • Typical 1 sec integrations, stacking available • CCD deterioration due to radiation -> chopping Professor Horst Cerjak, 19.12.2005 BRITE 2014 14 Results for Eta Orionis Variation of mean brightness: Pulsations of the star Professor Horst Cerjak, 19.12.2005 BRITE 2014 16 Light Curve for Orion Gray curve: TUGSAT-1/BRITE-Austria (blue filter) Bllue curve: UniBRITE (red filter) Professor Horst Cerjak, 19.12.2005 BRITE 2014 17 Legal Matters • Frequency coordination started nearly immediately after kick-off in 2006 • Coordination with ITU via the Austrian Administration and directly with IARU • Registered as „constellation“ (all BRITE spacecraft have same frequencies) • BRITE (NGSO) Satellite Network Ref. API/A/6652 • BRITE triggered implementation of Austrian Space Law (in force since December 2011) • Notification process with Ministry of Transport, Innovation and Technology • Registration with UN/OOSA by Austrian Foreign Ministry and Ministry of Transport, Innovation and Technology Professor Horst Cerjak, 19.12.2005 BRITE 2014 18 Summary • BRITE-Constellation is the world‘s first nanosatellite constellation dedicated to astronomy • 5 spacecraft of BRITE-Constellation operational • BRITE-Austria and UniBRITE have each orbited 10.000 times around Earth, travelling 450 million km • Scientific & technical requirements fully met • Science fields: 150 days in Orion, Centaurus, Perseus, and Vela Puppis. • Observing program developed till end 2016 • Scientific data analysis under way Professor Horst Cerjak, 19.12.2005 BRITE 2014 19 Professor Horst Cerjak, 19.12.2005 BRITE 2014 20 Thank you for your attention! Professor Horst Cerjak, 19.12.2005 BRITE 2014 21