James Webb Thài-khong Tiàu-kiàⁿ

James Webb Thài-khong Tiàu-kiàⁿ (eng. James Webb Space Telescope) sī NASA tī chi̍t hāng thài-khong tiàu-kiàⁿ kè-ōe.

James Webb Space Telescope

Rendering of the fully deployed James Webb Space Telescope
Hō-miâNext Generation Space Telescope (NGST; 1996–2002)
Jīm-bū lūi-hêngAstronomy
Chhau-chok-chiáSTScI (NASA)[1] / ESA / CSA
COSPAR ID2021-130A
SATCAT №50463[2]
Bāng-chāmKoaⁿ-hong bāng-chām
webbtelescope.org
Jīm-bû keng-kòe sî-kan
  • 2nî ,4goe̍h ,4kang (elapsed)
  • 5 12 years (primary mission)[3]
  • 10 years (planned)
  • 20 years (expected life)[4]
Thài-khong-chûn sèng-chit
Chè-chō-chiá
  • Northrop Grumman
  • Ball Aerospace & Technologies
  • L3Harris[1]
Hoat-siā chit-liōng6,500 kg (14,300 lb)[5]
Chhùn-chhioh21.197 m × 14.162 m (69.54 ft × 46.46 ft),[6] sunshield
Tiān-le̍k2 kW
Jīm-bū ê khai-sí
Hoat-siā ji̍t-chí2021 nî 12 goe̍h 25 ji̍t ji̍t (2021-12-25), 12:20 UTC[5]
Hóe-chìⁿAriane 5 ECA (VA256)
Hoat-siā tē-tiámCentre Spatial Guyanais, ELA-3
Chhéng-hù-chiáArianespace
Chìn-ji̍p si̍t-bū12 July 2022
Kúi-tō chham-sò͘
Reference systemSun–Earth L2 orbit
RegimeHalo orbit
Periapsis250,000 km (160,000 mi)[7]
Apoapsis832,000 km (517,000 mi)[7]
Period6 months
Main telescope
TypeKorsch telescope
Diameter6.5 m (21 ft)
Focal length131.4 m (431 ft)
Collecting area25.4 m2 (273 sq ft)[8]
Wavelengths0.6–28.3 μm (orange to mid-infrared)
Transponders
Band
  • S-band, telemetry and telecommand
  • Ka-band, science data downlink
Bandwidth
  • S-band up: 16 kbit/s
  • S-band down: 40 kbit/s
  • Ka-band down: up to 28 Mbit/s
Instruments
  • FGS-NIRISS
  • MIRI
  • NIRCam
  • NIRSpec
Elements
  • Integrated Science Instrument Module
  • Optical Telescope Element
  • Spacecraft (Bus and Sunshield)

James Webb Space Telescope mission logo

Pún kè-ōe ê hoat-siā sî-kan chē kái iân-tî, chiàu 2013 nî chó-iū ê chu-liāu sī tēng 2019 nî 10 goe̍h chhut-hoat.[9]

Tsù-kái

Chham-chiàu

  • Joseph A. Angelo (2006). "James Webb Space Telescope". Encyclopedia of Space and Astronomy. Facts on File. ISBN 978-0-8160-5330-8.