Erik Hog – författare

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2 produkter

1. 

   Astronomical and Astrophysical Objectives of Sub-Milliarcsecond Optical Astronomy

   Proceedings of the 166th Symposium of the International Astronomical Union Held in the Hague, the Netherlands, August 15-19, 1994

   Av International Astronomical Union, Erik Hog m. fl.

   Inbunden, 1995

   1643 kr

   Lägg i varukorg

   This text records the recent events in the development of astrometry. The results of space missions in astrometry, Hipparcos and some results from the Hubble Space telescope are presented. Combined with ground-based results, this provides astrometry results at milliarcsecond resolution. At the same …

2. 

   Astronomical and Astrophysical Objectives of Sub-Milliarcsecond Optical Astrometry

   Proceedings of the 166th Symposium of the International Astronomical Union, Held in the Hague, The Netherlands, August 15–19, 1994

   Av P. Kenneth Seidelmann, Erik Hog

   E-bok, 2013

   1459 kr

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   Astrometry is on the threshold of great changes due to the fact that this decade, alone, is witnessing an improvement of stellar positions equivalent to the total improvement of the previous two centuries. The Hipparcos Satellite has concluded its observations, and the catalog is in preparation. …