Results 11 to 20 of about 55,377 (313)

Overview of the medium and high frequency telescopes of the LiteBIRD space mission [PDF]

open access: yes, 2020
LiteBIRD is a JAXA-led Strategic Large-Class mission designed to search for the existence of the primordial gravitational waves produced during the inflationary phase of the Universe, through the measurements of their imprint onto the polarization of the
Borrill, J   +762 more
core   +3 more sources

Intercalibration of Cherenkov telescopes in telescope arrays [PDF]

open access: yesAstroparticle Physics, 2003
Latex, 5 pages, 1 Figure, submitted to Astroparticle ...
openaire   +3 more sources

Precision grinding for rapid fabrication of segments for extremely large telescopes using the Cranfield BoX [PDF]

open access: yes, 2010
An ultra precision large optics grinding machine, BoX®, was developed and produced at Cranfield University. BoX® offers a rapid and economic solution for grinding large off-axis aspherical and free-form optical components.
Paul Morantz   +7 more
core   +1 more source

An active optics system for large UVOIR space telescopes

open access: yes, 2022
Paper 106986C, 7 S.The next generation of large monolithic mirror space telescopes will use aberration correction to ensure resolution performance is maintained throughout their mission. This is due to the use of ever thinner and lighter primary mirrors,
Devaney, N.   +4 more
core   +1 more source

An updated approach to low-vision assessment

open access: yesJournal of Clinical Ophthalmology and Research, 2022
The 2017 Global Burden of Disease study ranked vision impairment, including blindness, as the third cause among all impairments for years lived with disability visual impairment has enormous social and economic consequences in terms of productivity ...
Alka Tripathi, Richa Agarwal
doaj   +1 more source

Grinding metre scale mirror segments for the E-ELT ground based telescope [PDF]

open access: yes, 2011
The next generation of ground based telescopes require many hundreds of metre scale off-axis mirrors. In this paper the grinding of a 1.45m scale Zerodur® mirror segment for the European Extremely Large Telescope (E-ELT) is introduced.
P. Shore   +7 more
core   +1 more source

Towards an Intelligent Observatory [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2021
The Intelligent Observatory (IO) refers to the vision of the South African Astronomical Observatory (SAAO) to meet the scientific needs of both the South African and international astronomical communities by providing a better and more efficient service.
STEPHEN B. POTTER
doaj   +1 more source

The SiTian Project [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2021
SiTian is an ambitious ground-based all-sky optical monitoring project, developed by the Chinese Academy of Sciences. The concept is an integrated network of dozens of 1-m-class telescopes deployed partly in China and partly at various other sites around
JIFENG LIU   +4 more
doaj   +2 more sources

Optimized background suppression in near field lidar telescopes [PDF]

open access: yes, 2003
It is shown that a tilted slit in the focal plane of the lidar telescope limits the telescopes field of view efficiently and suppresses the background in the lidar signal by up to an order of magnitude better than a circular ...
Freudenthaler, Volker
core   +1 more source

THE ASTRONOMICAL TELESCOPE [PDF]

open access: yesSchool Science and Mathematics, 1913
n ...
openaire   +1 more source

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