• Thumbnail for Optical Telescope Element
    Optical Telescope Element (OTE) is a sub-section of the James Webb Space Telescope, a large infrared space telescope launched on 25 December 2021, consisting...
    27 KB (2,820 words) - 21:27, 27 September 2023
  • Thumbnail for Optical telescope
    An optical telescope is a telescope that gathers and focuses light mainly from the visible part of the electromagnetic spectrum, to create a magnified...
    52 KB (7,238 words) - 20:26, 29 March 2024
  • Thumbnail for James Webb Space Telescope
    the Optical Telescope Element review completed in October 2009, and the Sunshield review completed in January 2010. In April 2010, the telescope passed...
    210 KB (19,485 words) - 20:25, 23 April 2024
  • Thumbnail for Refracting telescope
    A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a...
    35 KB (3,692 words) - 13:13, 3 March 2024
  • Thumbnail for Ritchey–Chrétien telescope
    off-axis optical errors (coma). The RCT has a wider field of view free of optical errors compared to a more traditional reflecting telescope configuration...
    16 KB (2,133 words) - 20:50, 30 October 2023
  • Thumbnail for Large Binocular Telescope
    The Large Binocular Telescope (LBT) is an optical telescope for astronomy located on 10,700-foot (3,300 m) Mount Graham, in the Pinaleno Mountains of...
    21 KB (2,123 words) - 20:36, 9 October 2023
  • Thumbnail for Spacecraft bus (James Webb Space Telescope)
    structural components. The other three elements of the JWST are the Optical Telescope Element (OTE), the Integrated Science Instrument Module (ISIM) and the...
    27 KB (2,897 words) - 14:08, 16 April 2024
  • Thumbnail for Timeline of the James Webb Space Telescope
    mirrors completed. 3 March 2016: secondary mirror installed on Optical Telescope Element (OTE). March 2016: Aft Optics Subsystem installed on OTE. November...
    21 KB (1,869 words) - 14:39, 24 February 2024
  • Thumbnail for Three-mirror anastigmat
    three-mirror anastigmat is an anastigmat telescope built with three curved mirrors, enabling it to minimize all three main optical aberrations – spherical aberration...
    12 KB (1,370 words) - 04:14, 13 November 2023
  • Thumbnail for Telescope
    Originally it was an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects – an optical telescope. Nowadays, the...
    41 KB (3,916 words) - 19:19, 22 April 2024
  • Thumbnail for Reflecting telescope
    from severe chromatic aberration. Although reflecting telescopes produce other types of optical aberrations, it is a design that allows for very large...
    33 KB (3,918 words) - 14:11, 4 March 2024
  • Operational Test and Evaluation Directorate Optical Telescope Element, a sub-section of the planned James Webb Space Telescope Ordinary Time Earnings, the basis...
    787 bytes (132 words) - 03:50, 18 January 2020
  • Thumbnail for List of largest optical refracting telescopes
    single element lens whereas most of this list are doublets, with a crown and flint lens elements. Lists of telescopes List of largest optical reflecting...
    38 KB (1,051 words) - 19:44, 24 April 2024
  • Thumbnail for Catadioptric system
    headlamps, early lighthouse focusing systems, optical telescopes, microscopes, and telephoto lenses. Other optical systems that use lenses and mirrors are also...
    16 KB (1,863 words) - 20:43, 22 January 2024
  • Thumbnail for Subaru Telescope
    Subaru Telescope (すばる望遠鏡, Subaru Bōenkyō) is the 8.2-metre (320 in) telescope of the National Astronomical Observatory of Japan, located at the Mauna Kea...
    17 KB (1,815 words) - 15:14, 6 March 2024
  • Thumbnail for Anglo-Australian Telescope
    precise multi-element (~25 elements) abundances of 1  million stars derived from HERMES spectra. List of largest optical reflecting telescopes List of largest...
    12 KB (1,066 words) - 19:43, 29 August 2023
  • a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes. This list combines...
    60 KB (2,127 words) - 00:18, 29 March 2024
  • Thumbnail for NIRCam
    NIRCam (category James Webb Space Telescope instruments)
    F470N – H 2 F480M – Brown dwarfs, planets, continuum Optical Telescope Element James Webb Space Telescope timeline Near Infrared Camera and Multi-Object Spectrometer...
    14 KB (1,451 words) - 19:53, 8 February 2024
  • Thumbnail for Radio telescope
    emitted by astronomical objects, just as optical telescopes are the main observing instrument used in traditional optical astronomy which studies the light wave...
    23 KB (2,579 words) - 01:56, 29 December 2023
  • Thumbnail for William Herschel Telescope
    The William Herschel Telescope (WHT) is a 4.20-metre (165 in) optical/near-infrared reflecting telescope located at the Roque de los Muchachos Observatory...
    39 KB (3,747 words) - 08:05, 7 August 2023
  • In optical astronomy, interferometry is used to combine signals from two or more telescopes to obtain measurements with higher resolution than could be...
    14 KB (1,446 words) - 05:43, 1 October 2023
  • Thumbnail for Cambridge Optical Aperture Synthesis Telescope
    COAST, the Cambridge Optical Aperture Synthesis Telescope, is a multi-element optical astronomical interferometer with baselines of up to 100 metres, which...
    2 KB (163 words) - 06:57, 16 October 2023
  • Thumbnail for Interferometry
    optical switches. The latest proposed extremely large astronomical telescopes, such as the Thirty Meter Telescope and the Extremely Large Telescope,...
    96 KB (11,100 words) - 20:15, 12 March 2024
  • Thumbnail for James Webb Space Telescope sunshield
    California for testing. During launch it was wrapped around the Optical Telescope Element and then later unfolded. The sunshield was planned to be unfolded...
    25 KB (2,566 words) - 05:24, 6 December 2023
  • Thumbnail for Vera C. Rubin Observatory
    Large-aperture Synoptic Survey Telescope (LSST) is a 6.5-m-class optical telescope designed to survey the visible sky every week down to a much fainter...
    79 KB (8,566 words) - 01:03, 23 April 2024
  • Thumbnail for Space exploration
    of exoplanets and novas. The primary mirror of the JWST, the Optical Telescope Element, is composed of 18 hexagonal mirror segments made of gold-plated...
    87 KB (9,708 words) - 23:02, 15 April 2024
  • Thumbnail for Maksutov telescope
    aspheric correction is applied to some element in the optical system. Rutten, Harrie; van Venrooij, Martin (1988). Telescope Optics: Evaluation and Design. Richmond...
    17 KB (1,815 words) - 12:20, 24 August 2023
  • Thumbnail for OTE Pathfinder
    OTE Pathfinder (category James Webb Space Telescope)
    The OTE Pathfinder (for Optical Telescope Element Pathfinder), or James Webb Space Telescope Pathfinder, is a technology demonstrator and test article...
    19 KB (1,917 words) - 12:57, 1 February 2024
  • Thumbnail for Very Large Telescope
    of four individual telescopes, each equipped with a primary mirror that measures 8.2 meters in diameter. These optical telescopes, named Antu, Kueyen...
    55 KB (5,460 words) - 03:54, 5 February 2024
  • Thumbnail for Astronomical interferometer
    interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide...
    26 KB (2,654 words) - 01:05, 12 December 2023