Douard Jean-marie Stephan
douard Jean-Marie Stephan
(
August 31
1837
–
December 31
1923
) was a
French
astronomer
. His surname is sometimes spelled Stphan in the literature, but this is apparently erroneous. He was the longtime director of the
Marseille Observatory
, from
1867
to
1907
. He unsuccessfully attempted to use astronomical
interferometry
to determine apparent diameters of stars. He specialized in
nebulas
. Among others, he discovered
Stephan's Quintet
, also known as "Arp 319", a group of five
galaxies
. His name is associated with the periodic
comet
38P/Stephan-Oterma
, although
Jrme Coggia
saw it first.
Obituary
JO
7
(1924) 9
(in French)
Asteroids discovered: 2>
89 Julia
August 6
1866
91 Aegina
November 4
1866
Stephan, Edouard Stephan, Edouard Stephan, Edouard
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