'Arc sec' diaporamas de présentation

PHD2 Best Practices

405 views • 39 slides

The Hinode EUV Imaging Spectrometer: In-Orbit Performance and Early Results

458 views • 35 slides

L2-View/EASI (Earth Atmosphere Solar-Occultation Imager)

L2-View/EASI (Earth Atmosphere Solar-Occultation Imager). Jay Herman Lee Feinberg Jim Watzin. X. CO 2 , CH 4 , H 2 O, O 3 , O 2 , N 2 O. X. Nightside Earth. J. Herman L. Feinberg J. Watzin. L2-View/EASI (Earth Atmosphere Solar-Occultation Imager)

433 views • 28 slides

Super Star Tracker

Super Star Tracker. ISAL Study 28 January - 8 February 2002. Get a good handle on mass/power/cost/size for input into an IMDC study for SI or MAXIM Pathfinder, where 30 microarcsec line-of-sight knowledge is needed. At least better than the WAG we have made in the past IMDC runs

532 views • 27 slides

Super Star Tracker

Super Star Tracker. ISAL Study 28 January - 8 February 2002. Get a good handle on mass/power/cost/size for input into an IMDC study for SI or MAXIM Pathfinder, where 30 microarcsec line-of-sight knowledge is needed. At least better than the WAG we have made in the past IMDC runs

288 views • 27 slides

Ram Sagar Aryabhatta Research Institute of Observational Sciences (ARIES) Nainital, India

683 views • 26 slides

Mount structure concept

Aug 16-2009 KHANH. 1) Aluminum structure. 2) Structure design for holding Newport mirror mount because of its compact. 3) FM1 assy can be manually adjusted in vertical direction. 4) FM2 assay can be adjusted in horizontal direction. Mount structure concept. FM1.

363 views • 22 slides

GMT2010: High-resolution Spectroscopy of Stars with GMTNIRS

GMT2010: High-resolution Spectroscopy of Stars with GMTNIRS. David L. Lambert McDonald Observatory The University of Texas at Austin. GMT2010 Seoul, Korea. William Herschel (1738-1822). Discovered the infra-red in 1800

364 views • 21 slides

Mount structure concept

July 17-2009 KHANH. 1) Aluminum structure. 2) Structure design for holding Newport mirror mount because of its compact. 3) FM1 assy can be manually adjusted in vertical direction. 4) FM2 assay can be adjusted in horizontal direction. Mount structure concept. FM1.

330 views • 21 slides

IMACS Multi-Object Echelle

B. Sutin, T. Hare & A. McWilliam & many others. IMACS Multi-Object Echelle. *. N. *Not yet released. IMACS Multi-Object Echelle (MOE). F/4 focus. Grating + Prism cross-disperser in grating module

320 views • 19 slides

Issues with the use of telescopes Magnification

Issues with the use of telescopes Magnification. Magnification determines how much larger the image is as compared to the size of the source of the light (the object). f o. Magnification =. f e. Where f o is the focal length of the objective f e is the focal length of the eyepiece.

320 views • 14 slides

Black Holes in Nearby Galaxies

Black Holes in Nearby Galaxies. Claire Max NGAO Team Meeting March 7, 2007. Outline. General principles of black hole mass measurements Potential benefits of NGAO, and science requirements (first cut). General Principles.

214 views • 9 slides

Transit of Venus

Transit of Venus. Pattern of transit and why How transit can be used to determine astronomical unit Historical importance. Pattern. Occurs in 8 year pairs Pairs separated by gaps of 121.5 years and 105.5 years Cycles every 243 years. Why?.

174 views • 4 slides

Chapter 10 Measuring the Stars

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