Joanny-Philippe Lagrula
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January 6, 1914 |
Joanny-Philippe Lagrula (born 1870) was a French astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
. He was sometimes referred to as "Philippe Lagrula".
In 1901, he wrote his thesis at the University of Lyon
University of Lyon
The University of Lyon , located in Lyon and Saint Etienne, France, is a center for higher education and research comprising 16 institutions of higher education...
. At the time, occultations of the Pleiades
Pleiades (star cluster)
In astronomy, the Pleiades, or Seven Sisters , is an open star cluster containing middle-aged hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky...
by the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...
were important for measuring the correspondence of the Moon's actual position with that predicted by theory.
He worked at the Observatory of Lyon, France. On August 1, 1906 became director of the Quito Observatory for a few years. He then worked at Nice Observatory
Nice Observatory
The Observatoire de Nice is an astronomical observatory located in Nice, France on the summit of Mont Gros. The observatory was initiated in 1879 by the banker Raphaël Bischoffsheim...
until no later than 1924, when he joined the staff of Algiers Observatory
Algiers Observatory
The Algiers Observatory was built in the late nineteenth century in the Algiers suburb of Bouzaréah. It participated in the Astrographic Catalogue project, taking the zone between -2 and +4 degrees to expose 1,260 plates between the years 1891 and 1911...
. He was director of Algiers Observatory from 1931 to 1938, replacing François Gonnessiat
François Gonnessiat
François Gonnessiat was a French astronomer.He worked at the Observatory of Lyon. In 1889 he won the Lalande Prize for astronomy from the French Academy of Sciences; 1901 became director of the Quito Observatory for the purpose of making geodetic measurements...
who retired. His career path mirrored that of Gonnessiat, who had also worked at Lyon, Quito and Algiers.
At Algiers, one of the staff members working with him was Jean-Louis Lagrula; this may have been his son.
He discovered one asteroid. The asteroid 1412 Lagrula
1412 Lagrula
1412 Lagrula is a main-belt asteroid discovered on January 19, 1937 by L. Boyer at Algiers.- External links :*...
is named after him.