The James Webb Space Telescope (JWST): Hubble's scientific and technological successor

Seery, Bernard D.

doi:10.1117/12.461780

Cited by 9 publications

(6 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Shibai et al, 2001), to the investigation of planetary systems, which exhibit a number of interesting ionic and molecular transition lines as well as prominent solid state features in the MIR to FIR spectral range (see Matsumoto and Shibai, 2000). The large aperture cooled telescope and mechanical coolers in space are, however, a great challenge and demand substantial technology developments.…”

Section: Overview Of Spica Missionmentioning

confidence: 99%

See 1 more Smart Citation

SPICA: A 3.5m space infrared telescope for mid- and far-infrared astronomy

Onaka

2005

Advances in Space Research

View full text Add to dashboard Cite

Section: Overview Of Spica Missionmentioning

confidence: 99%

“…2). The target launch date of SPICA is early 2010s, to be operated in a time frame similar to the Herschel Space Observatory (HSO; Pilbratt, 2003) Telescope (JWST; Seery, 2003). Fig.…”

Section: Overview Of Spica Missionmentioning

confidence: 99%

SPICA: A 3.5m space infrared telescope for mid- and far-infrared astronomy

Onaka

2005

Advances in Space Research

View full text Add to dashboard Cite

“…The James Webb Space Telescope (Webb) is one the largest and most complex science programs ever undertaken, and is designed to answer forefront questions about the origins of planets, stars, and galaxies in the Universe [11][12][13]. Representing the next step in the evolution of space telescopes, Webb is built with innovative technologies to explore the Universe beyond Hubble and Spitzer's reach,…”

Section: The James Webb Space Telescopementioning

confidence: 99%

Scientific discovery with the James Webb Space Telescope

Kalirai

2018

Contemporary Physics

123

View full text Add to dashboard Cite

For the past 400 years, astronomers have sought to observe and interpret the Universe by building more powerful telescopes. These incredible instruments extend the capabilities of one of our most important senses, sight, towards new limits such as increased sensitivity and resolution, new dimensions such as exploration of wavelengths across the full electromagnetic spectrum, new information content such as analysis through spectroscopy, and new cadences such as rapid time-series views of the variable sky. The results from these investments, from small to large telescopes on the ground and in space, have completely transformed our understanding of the Universe; including the discovery that Earth is not the center of the Universe, that the Milky Way is one among many galaxies in the Universe, that relic cosmic background radiation fills all space in the early Universe, that that the expansion rate of the Universe is accelerating, that exoplanets are common around stars, that gravitational waves exist, and much more. For modern astronomical research, the next wave of breakthroughs in fields ranging over planetary, stellar, galactic, and extragalactic science motivate a general-purpose observatory that is optimized at nearand mid-infrared wavelengths, and that has much greater sensitivity, resolution, and spectroscopic multiplexing than all previous telescopes. This scientific vision, from measuring the composition of rocky worlds in the nearby Milky Way galaxy to finding the first sources of light in the Universe to other topics at the forefront of modern astrophysics, motivates the state-of-the-art James Webb Space Telescope (Webb). In this review paper, I summarize the design and technical capabilities of Webb and the scientific opportunities that it enables.

show abstract

“…After the remote sensor enters the orbit, gravity deformation will be released in the micro-gravity environment, resulting in minor pose misalignment to the mirrors of the optical system. The ensuing misalignment of the optical system will affect the inorbit imaging quality [9,10].…”

Section: Introductionmentioning

confidence: 99%

Pose Adjustment Capability of Secondary Mirror in Correcting Gravity Deformation of Large Aperture Remote Sensor

Li¹,

Guo²,

Shao³

et al. 2020

I2M

View full text Add to dashboard Cite

For large aperture remote sensor, it is a difficult task to ensure the ultrahigh pose accuracy of mirrors. To solve the problem, this paper attempts to correct the pose misalignment induced by the gravity deformation through pose adjustment of the secondary mirror. Firstly, an ultra-lightweight remote sensor (diameter: 2.4m) was designed, and a finite element model (FEM) was constructed to analyze the influence of gravity deformation on the sensor. The analysis shows that the gravity deformation of the primary mirror and the secondary mirror exceeded the tolerance limits. Hence, a pose adjustment design was proposed for the secondary mirror to correct the misalignment of the optical system. To verify its correction effect, the pose adjustment plan was applied to correct the misalignments of the optical system caused by gravity deformation. The results show that the pose adjustment plan eliminated the effect of gravity on the ground, and corrected the misalignments after the sensor is in orbit. Overall, the proposed design greatly reduces the fabrication difficulty of the large aperture remote sensor, and effectively improves the sensor's imaging quality in orbit.

show abstract

The James Webb Space Telescope (JWST): Hubble's scientific and technological successor

Cited by 9 publications

References 1 publication

SPICA: A 3.5m space infrared telescope for mid- and far-infrared astronomy

SPICA: A 3.5m space infrared telescope for mid- and far-infrared astronomy

Scientific discovery with the James Webb Space Telescope

Pose Adjustment Capability of Secondary Mirror in Correcting Gravity Deformation of Large Aperture Remote Sensor

Contact Info

Product

Resources

About