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DUKAS_133029413_EYE
Webb liftoff on Ariane 5
Webb liftoff on Ariane 5.
The James Webb Space Telescope lifted off on an Ariane 5 rocket from Europe’s Spaceport in French Guiana, at 13:20 CET on 25 December on its exciting mission to unlock the secrets of the Universe.
Credit: ESA / eyevine
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(FOTO: DUKAS/EYEVINE)
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DUKAS_132989481_EYE
Webb on Ariane 5 poised for launch
Webb on Ariane 5 poised for launch. The James Webb Space Telescope is safely stowed inside the fairing of ESAÕs Ariane 5 launch vehicle, which is now on the launch pad undergoing final checks and fuelling for a targeted liftoff at 12:20 GMT / 13:20 CET on 25 December from Europe's Spaceport in French Guiana.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescopeÕs launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Webb is an international partnership between NASA, ESA and the Canadian Space Agency (CSA).
Credit: ESA/CNES/Arianespace / eyevine
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(FOTO: DUKAS/EYEVINE)
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DUKAS_132580513_EYE
Webb moved to meet Ariane 5
The James Webb Space Telescope was transferred to the final assembly building at Europe’s Spaceport in French Guiana on 7 December 2021, to meet its Ariane 5 launch vehicle.
Stowed inside a special 23-tonne transport container, Webb was protected and monitored throughout the transfer.
Ariane 5 was already moved to the same building on 29 November. Here, adjustable platforms allow engineers to access the launch vehicle and its payload.
The next steps are to hoist Webb to the upper platform which has been prepared so that Webb can be integrated on Ariane 5’s upper stage and then encapsulated inside Ariane 5’s specially adapted fairing.
Webb is scheduled for launch on 22 December from Europe’s Spaceport. Ground teams have already successfully completed the delicate operation of loading the spacecraft with the propellant it will use to steer itself while in space.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Credit: P PIRON / ESA / CNES / Arianespace / eyevine
Contact eyevine for more information about using this image:
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(FOTO: DUKAS/EYEVINE)
P PIRON / ESA / CNES / Arianespace/eyevine -
DUKAS_132580506_EYE
Ariane 5 moved to meet Webb
The Ariane 5 launch vehicle which will launch the James Webb Space Telescope was moved to the final assembly building at Europe’s Spaceport in French Guiana on 29 November 2021.
Ariane 5 parts shipped from Europe to French Guiana, have been coming together inside the launch vehicle integration building (pictured).
The lower part of the Ariane 5 comprises the cryogenic main core stage (with the Vulcain main engine, oxygen and hydrogen tanks), two solid rocket boosters and the upper composite, including the cryogenic upper stage (with the HM7B engine, oxygen and hydrogen tanks), the vehicle equipment bay – the brain of the launcher, and all supporting structures that will interface with Webb on its adaptor.
A launch table is used to transport the Ariane 5 vehicle between the launch vehicle integration building, the final assembly building and the launch pad.
Webb, now fuelled, will soon be integrated on Ariane 5’s upper stage and then encapsulated inside Ariane 5’s specially adapted fairing.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Credit: P BAUDON/ESA/CNES/Arianespace / eyevine
Contact eyevine for more information about using this image:
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(FOTO: DUKAS/EYEVINE)
P BAUDON/ESA/CNES/Arianespace / eyevine -
DUKAS_132580512_EYE
Webb fuelled for launch
The James Webb Space Telescope was fuelled inside the payload preparation facility at Europe’s Spaceport in French Guiana ahead of its launch on Ariane 5.
Webb’s thrusters will use this propellant to make critical course-corrections after separation from Ariane 5, to maintain its prescribed orbit about one and a half million kilometres from Earth, and to repoint the observatory and manage its momentum during operations.
Fuelling any satellite is a particularly delicate operation requiring setup of the equipment and connections, fuelling, and then pressurisation.
Webb’s propellant tanks were filled separately with 133 kg of dinitrogen tetroxide oxidiser and 168 kg hydrazine. Oxidiser improves the burn efficiency of the hydrazine fuel.
These propellants are extremely toxic so only a few specialists wearing Self-Contained Atmospheric Protective Ensemble, or ‘scape’ suits, remained in the dedicated fuelling hall for fuelling which took 10 days and ended on 3 December.
The next steps will start soon for ‘combined operations’. This is when specialists working separately to prepare Webb and Ariane 5 will come together as one team. They will place Webb atop its Ariane 5 launch vehicle and encapsulate it inside Ariane 5’s fairing.
Then, no longer visible, Webb, joined with its Ariane 5 launch vehicle will be transferred to the Final Assembly building for the final preparations before launch.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Credit: P PIRON/ESA/CNES/ARIANESPACE / eyevine
Contact eyevine for more information about using this image:
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P PIRON/ESA/CNES/ARIANESPACE / eyevine -
DUKAS_132309845_EYE
Webb stickers for Ariane 5 fairing
At Europe’s Spaceport in French Guiana, the finishing touches to the Ariane 5 fairing for the James Webb Space Telescope include the application of NASA, ESA and Canadian Space Agency logos and Webb insignia.
Webb will soon be encapsulated inside this 17 m-high 5.4 m-diameter fairing which will provide protection from the thermal, acoustic and aerodynamic stresses during the ascent to space.
Ariane 5’s fairing has been customised to accommodate the specific requirements of the Webb mission. New hardware ensures that venting ports around the base of the fairing remain fully open. This will minimise the shock of depressurisation when the fairing jettisons away from the launch vehicle.
Webb will be the largest, most powerful telescope ever launched into space. Its sunshield – a five-layer, diamond-shaped structure the size of a tennis court – was specially engineered to fold up and fit within the confines of Ariane 5’s fairing. Fully deployed, the telescope’s sunshield measures 21 m by 14 m. Stowed inside Ariane’s fairing, Webb will measure 10.66 m high and 4.5 m wide.
As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Webb is an international partnership between NASA, ESA and the Canadian Space Agency (CSA).
Credit: P PIRON/ESA/CNES/Arianespace / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
P PIRON/ESA/CNES/Arianespace / eyevine -
DUKAS_132132331_EYE
Webb’s Ariane 5 gains upper stage
The upper stage of Ariane 5 which will transport the James Webb Space Telescope in space, is now integrated with the Ariane 5 core stage inside the launch vehicle integration building at EuropeÕs Spaceport in French Guiana.
The upper stage arrived at the launch vehicle integration building on 11 November 2021 where it joined the Ariane 5 core stage and boosters. It was then hoisted high to awaiting engineers so that it could be integrated on top of the core stage.
The Ariane 5 upper stage is powered by the HM7B engine. It will contain 14.7 t of liquid oxygen and liquid hydrogen propellant to deliver 6.6 t of thrust for 1000 seconds. After core stage separation, the upper stage will provide attitude control during the ascent and separation of Webb on its path to the Lagrange point.
The Vehicle Equipment Bay, Ôthe brainÕ of Ariane 5, which is integrated with the upper stage, autonomously controls the whole vehicle and transmits all key flight parameters to the ground station network.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescopeÕs launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Webb is an international partnership between NASA, ESA and the Canadian Space Agency (CSA).
These activities mark the beginning of a five-week campaign to prepare the Ariane 5 launch vehicle which runs in parallel with teams preparing Webb, which started three weeks earlier. Soon Webb will meet Ariane 5 and teams will unite for the final integration for launch.
Credit: ESA/CNES/Arianespace / ESA / eyevine
Contact eyevine for more information about using this image:
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(FOTO: DUKAS/EYEVINE)
ESA / eyevine -
DUKAS_131619796_EYE
Ariane 5 booster transfer
Ariane 5 parts are coming together in the launch vehicle integration building for the launch of the James Webb Space Telescope from Europe’s Spaceport in French Guiana.
The Ariane 5 core stage is 5.4 m diameter and 30.5 m high. On 6 November it was taken out of its shipping container and raised vertical.
At launch it will contain 175 t of liquid oxygen and liquid hydrogen propellants. With its Vulcain 2 engine it provides 140 t of thrust. It also provides roll control during the main propulsion phase. This rolling manoeuvre will ensure that all parts of the payload are equally exposed to the sun which will avoid overheating of any elements of Webb.
Two boosters followed. They are 3 m in diameter and 31 m high. This week they will be positioned on the launch table and then anchored to the core stage. Engineers will then carry out mechanical and electrical checks. Each booster contains 240 t of solid propellant, together they will provide 1200 t of thrust which is 90 percent of the thrust at liftoff.
On the countdown to launch, the Vulcain 2 engine is ignited first. A few seconds later, when it reaches its nominal operating level, the two boosters are fired to achieve a thrust of about 1364 t at liftoff.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Webb is an international partnership between NASA, ESA and the Canadian Space Agency (CSA).
These activities mark the beginning of a five-week campaign to prepare the Ariane 5 launch vehicle which runs in parallel with teams preparing Webb, which started three weeks earlier. Soon Webb will meet Ariane 5 and teams will unite for the final integration for l
© ESA-CNES-ARIANESPACE / Optique vidéo du CSG -
DUKAS_131619967_EYE
Webb’s Ariane 5 core stage made ready
Ariane 5 parts are coming together in the launch vehicle integration building for the launch of Webb from Europe’s Spaceport in French Guiana.
The Ariane 5 core stage is 5.4 m diameter and 30.5 m high. On 6 November it was taken out of its shipping container and raised vertical.
At launch it will contain 175 t of liquid oxygen and liquid hydrogen propellants. With its Vulcain 2 engine it provides 140 t of thrust. It also provides roll control during the main propulsion phase. This rolling manoeuvre will ensure that all parts of the payload are equally exposed to the sun which will avoid overheating of any elements of Webb.
Two boosters followed. They are 3 m in diameter and 31 m high. This week they will be positioned on the launch table and then anchored to the core stage. Engineers will then carry out mechanical and electrical checks. Each booster contains 240 t of solid propellant, together they will provide 1200 t of thrust which is 90 percent of the thrust at liftoff.
On the countdown to launch, the Vulcain 2 engine is ignited first. A few seconds later, when it reaches its nominal operating level, the two boosters are fired to achieve a thrust of about 1364 t at liftoff.
Webb will be the largest, most powerful telescope ever launched into space. As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Webb is an international partnership between NASA, ESA and the Canadian Space Agency (CSA).
These activities mark the beginning of a five-week campaign to prepare the Ariane 5 launch vehicle which runs in parallel with teams preparing Webb, which started three weeks earlier. Soon Webb will meet Ariane 5 and teams will unite for the final integration for launch.
Credit: P BAUDON
P BAUDON / ESA / CNES / Arianespace / ESA / eyevine -
DUKAS_130649521_EYE
Webb telescope in clean room at Europe's Spaceport in
The James Webb Space Telescope is unpacked inside a dedicated spacecraft preparation facility at Europe's Spaceport where it will be examined to ensure that it is undamaged from its voyage and in good working order.
Here, the telescope is set upright in vertical position.
Read more about Webb’s arrival in French GuianaCredit: ESA / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
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(FOTO: DUKAS/EYEVINE)
ESA / eyevine -
DUKAS_130339705_EYE
Webb arrives in French Guiana for launch on Ariane 5
The James Webb Space Telescope arrived safely at Pariacabo harbour in French Guiana on 12 October 2021 ahead of its launch on an Ariane 5 rocket from Europe's Spaceport.
Few space science missions have been as eagerly anticipated as the James Webb Space Telescope (Webb). As the next great space science observatory following Hubble, Webb is designed to resolve unanswered questions about the Universe and see farther into our origins: from the formation of stars and planets to the birth of the first galaxies in the early Universe. Webb will be the largest, most powerful telescope ever launched into space.
Webb arrived from California on board the MN Colibri which sailed the Panama Canal to French Guiana on a 16-day voyage. The shallow Kourou river was specially dredged to ensure a clear passage and the vessel followed high tide to safely reach port.
Though the telescope weighs only six tonnes, it is more than 10.5 m high and almost 4.5 m wide when folded. It was shipped in its folded position in a 30 m long container which, with auxiliary equipment, weighs more than 70 tonnes. This is such an exceptional mission that a heavy-load tractor unit was brought on board MN Colibri to carefully transport Webb to the Spaceport.
Webb was taken to a dedicated spacecraft preparation facility. Here it will be unpacked and examined to ensure that it is undamaged from its voyage and in good working order.
As part of an international collaboration agreement, ESA is providing the telescope’s launch service using the Ariane 5 launch vehicle. Working with partners, ESA was responsible for the development and qualification of Ariane 5 adaptations for the Webb mission and for the procurement of the launch service by Arianespace.
Credit: ESA / eyevine
Contact eyevine for more information about using this image:
T: +44 (0) 20 8709 8709
E: info@eyevine.com
http://www.eyevine.com
(FOTO: DUKAS/EYEVINE)
ESA / eyevine