Ultraviolet and visible-light coronagraphic imager (UVCI) for HERSCHEL (Helium Resonance Scattering in Corona & HELiosphere) (Contributo in atti di convegno)

Type
Label
  • Ultraviolet and visible-light coronagraphic imager (UVCI) for HERSCHEL (Helium Resonance Scattering in Corona & HELiosphere) (Contributo in atti di convegno) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/12.460431 (literal)
Alternative label
  • Fineschi, S.; Antonucci, E.; Romoli, M.;Gardiol, D.; Naletto, G.; Giordano, S.; Malvezzi, M.; Da Deppo, V.; Zangrili, L. and Noci, G. (2003)
    Ultraviolet and visible-light coronagraphic imager (UVCI) for HERSCHEL (Helium Resonance Scattering in Corona & HELiosphere)
    in Astronomical telescope
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fineschi, S.; Antonucci, E.; Romoli, M.;Gardiol, D.; Naletto, G.; Giordano, S.; Malvezzi, M.; Da Deppo, V.; Zangrili, L. and Noci, G. (literal)
Pagina inizio
  • 162 (literal)
Pagina fine
  • 171 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • cited By (since 1996)0; Conference of org.apache.xalan.xsltc.dom.DOMAdapter@36db741c ; Conference Date: org.apache.xalan.xsltc.dom.DOMAdapter@1a3f667 Through org.apache.xalan.xsltc.dom.DOMAdapter@3385e508; Conference Code:61010 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-0038192481&partnerID=40&md5=b20dd056646af011e2bd2c21788e75b5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4853 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INAF-Osservatorio Astron. di Torino, Strada dell'Osservatorio, 20. I-10025 Pino Torinese (TO), Italy; Universita di Firenze, Firenze, Italy; Università di Padova, Padova, Italy; Università di Pavia, Pavia, Italy (literal)
Titolo
  • Ultraviolet and visible-light coronagraphic imager (UVCI) for HERSCHEL (Helium Resonance Scattering in Corona & HELiosphere) (literal)
Abstract
  • The HERSCHEL (HElium Resonance Scattering in the Corona and HELiosphere) Sun-Earth Sub-Orbital Program is a proposed sounding-rocket payload designed to investigate helium coronal abundance and solar wind acceleration from a range of solar source structures by obtaining simultaneous observations of the electron, proton and helium solar coronae. HERSCHEL will provide the first measurements of the coronal helium abundance in source regions of the solar wind, thus bringing key elements to our understanding of the Sun-Earth connections. The HERSCHEL instrument package consists of the Extreme Ultraviolet Imaging Telescope (EIT) for on-disk coronal observations and the Ultraviolet and Visible-light Coronagraphic Imager (UVCI) for off-limb observations of the corona. The UVCI is an externally occulted, reflecting coronagraph with an off-axis Gregorian telescope. UVCI will be able to take coronal images at heliocentric heights comprised between 1.2 to 3.5 solar radii of a) K-corona polarized brightness (pB); b) H I Lyman-?, 121.6 nm, line-emission; c) He II Lyman-?, 30.4 nm, line. The key element in the UVCI instrument concept is that the mirrors with multilayer coatings optimized for 30.4 nm still have good reflectivity at 121.6 nm and in the visible. The optical design concept for the UVCI instrument will be discussed, together with its expected optical and throughput performances. (literal)
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