Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996cha%26a..20..507w&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 20, Issue 4, p. 507-507.
Astronomy and Astrophysics
Astrophysics
Scientific paper
The P-norm distribution is a general distribution of errors, of which the normal distribution is a particular case with p = 2. In application the best value of p is first estimated from the data and then maximum likelihood estimates are made. The method is applied to a real example of photographic astrometry of Praesepe. The Lp estimates are expected to be better than the LS estimates, when the errors are not normally distributed.
Li Zheng-Xin
Wang Jia-Ji
Wu Jie
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