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The Earthshine Telescope Project

In English

Författare

Summary, in English

The Earthshine telescope project is a collaborative effort between Lund Observatory (LO) in Sweden and The Institute of Meteorology in Demark (DMI) with the purpose of constructing one or more robotic telescopes to record the albedo of the Earth over a long time. The objective is to measure long-term development of the global cloud coverage and reflectivity for climate modeling. A 1% change in the Earth's albedo will result in an average temperature change of 0.5 K of the Earth, calling for high precision of the albedo measurements. This poses strict demands on the telescope design, in particular with respect to suppression of straylight. The paper describes our proposed optical and mechanical design of the Earthshine telescope, and presents a preliminary straylight analysis of the design.

Publiceringsår

2008

Språk

Engelska

Sidor

122-122

Publikation/Tidskrift/Serie

SPIE Proceedings

Volym

7012

Dokumenttyp

Konferensbidrag

Förlag

SPIE

Ämne

  • Astronomy, Astrophysics and Cosmology

Nyckelord

  • Climate
  • Earthshine
  • Telescopes

Conference name

Conference on Ground-Based and Airborne Instrumentation for Astronomy II

Conference date

2008-06-23 - 2008-06-28

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1996-756X
  • ISSN: 0277-786X