Sylvain Julien Victor Arend (6 August 1902 – 18 February 1992) was a Belgian

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either o ...

born in Robelmont, Luxembourg province, Belgium. His main interest was

astrometry Astrometry is a branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies. It provides the kinematics and physical origin of the Solar System and this galaxy, the Milky Way. Histor ...

. Together with

Georges Roland Georges may refer to: Places *Georges River, New South Wales, Australia *Georges Quay (Dublin) * Georges Township, Fayette County, Pennsylvania Other uses * Georges (name) * ''Georges'' (novel), a novel by Alexandre Dumas * "Georges" (song), a 19 ...

, he discovered the bright

comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or Coma (cometary), coma, and sometimes also a Comet ta ...

C/1956 R1 (Arend-Roland). He also discovered, or co-discovered, the periodic comets 49P/Arend-Rigaux and

50P/Arend Comet Arend or 50P/Arend is a periodic comet in the Solar System which was discovered on October 4, 1951. It was discovered by astronomer Sylvain Julien Victor Arend at the Royal Observatory of Belgium located in the municipality of Uccle. The ...

Nova Scuti 1952 A nova (plural novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", which is Latin for "new") that slowly fades over weeks or months. Causes of the dramati ...

, and a number of

asteroid An asteroid is a minor planet of the Solar System#Inner solar system, inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic o ...

s, including notably the

Amor asteroid The Amor asteroids are a group of near-Earth asteroids named after the archetype object 1221 Amor . The orbital perihelion of these objects is close to, but greater than, the orbital aphelion of Earth (i.e., the objects do not cross Earth's orbi ...

1916 Boreas and the

Trojan asteroid In astronomy, a trojan is a small celestial body (mostly asteroids) that shares the orbit of a larger body, remaining in a stable orbit approximately 60° ahead of or behind the main body near one of its Lagrangian points and . Trojans can shar ...

1583 Antilochus. He also discovered 1652 Hergé which is named after

Hergé Georges Prosper Remi (; 22 May 1907 – 3 March 1983), known by the pen name Hergé (; ), from the French pronunciation of his reversed initials ''RG'', was a Belgian cartoonist. He is best known for creating '' The Adventures of Tintin'', ...

, the creator of ''

The Adventures of Tintin ''The Adventures of Tintin'' (french: Les Aventures de Tintin ) is a series of 24 ''bande dessinée'' albums created by Belgian cartoonist Georges Remi, who wrote under the pen name Hergé. The series was one of the most popular European com ...

''. The asteroid

1563 Noël 1563 Noël, provisional designation , is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 7 March 1943, by Belgian astronomer Sylvain Arend at the Royal Observatory o ...

is named after his son, Emanuel Arend. In 1948 Arend started together with sixteen other people the skeptic organisation

Comité Para The Comité Para, in full Comité belge pour l'Analyse Critique des parasciences (" Belgian Committee for the Critical Analysis of Parasciences"), is a Francophone Belgian skeptical non-profit organisation. Founded in 1949, the Comité Para rega ...

. The outer main-belt asteroid

1502 Arenda Fifteen or 15 may refer to: *15 (number), the natural number following 14 and preceding 16 *one of the years 15 BC, AD 15, 1915, 2015 Music *Fifteen (band), a punk rock band Albums * ''15'' (Buckcherry album), 2005 * ''15'' (Ani Lorak album) ...

was named in his honor.

List of discovered minor planets

References

{{DEFAULTSORT:Arend, Sylvain 1902 births 1992 deaths 20th-century Belgian astronomers Belgian skeptics Discoverers of asteroids Discoverers of comets * People from Meix-devant-Virton