Hans-Emil Schuster
Encyclopedia
Hans-Emil Schuster is a German 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...

 who retired in October 1991. He worked at Hamburg Observatory at Bergedorf
Bergedorf
Bergedorf is the largest of the seven boroughs of Hamburg, Germany and a quarter within this borough. In 2006 the population of the borough was 118,942.-History:...

 and European Southern Observatory
European Southern Observatory
The European Southern Observatory is an intergovernmental research organisation for astronomy, supported by fifteen countries...

 (ESO), and was former acting director of La Silla Observatory
La Silla Observatory
La Silla Observatory is an astronomical observatory in Chile with three telescopes built and operated by the European Southern Observatory organisation, and several others are partly maintained by ESO...

. Since 1982, he was married to Rosemarie Schuster née von Holt (March 28, 1935 - September 18, 2006)

He discovered periodic comet
Comet
A comet is an icy small Solar System body that, when close enough to the Sun, displays a visible coma and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet...

 106P/Schuster. He also discovered the comet C/1976 D2 (in the contemporary nomenclature, it was known as Comet 1975 II or 1976c), which was notable for its large perihelion distance of 6.88 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....

 http://www.cbat.eps.harvard.edu/iauc/02900/02923.html#Item1 http://www.cbat.eps.harvard.edu/iauc/02900/02958.html#Item1, the largest yet observed at the time.

He discovered 25 asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

s, including notably the Apollo asteroid
Apollo asteroid
The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, the first asteroid of this group to be discovered by Karl Wilhelm Reinmuth...

 2329 Orthos
2329 Orthos
2329 Orthos is a Apollo asteroid and Near-Earth object discovered on November 19, 1976 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 and the Amor asteroid
Amor asteroid
The Amor asteroids are a group of near-Earth asteroids named after the asteroid 1221 Amor. They approach the orbit of the Earth from beyond, but do not cross it. Most Amors do cross the orbit of Mars...

s 2608 Seneca
2608 Seneca
2608 Seneca is an Amor asteroid discovered on February 17, 1978 by H.-E. Schuster at La Silla.- External links :*...

, 3271 Ul
3271 Ul
3271 Ul is an Amor asteroid with an orbital period of 1113.1825740 days . The asteroid was discovered on September 14, 1982.-References:...

, 3288 Seleucus
3288 Seleucus
3288 Seleucus is an Amor asteroid discovered on February 28, 1982 by H.-E. Schuster at La Silla.- External links :*...

, and 3908 Nyx
3908 Nyx
3908 Nyx is an Amor and Mars-crosser asteroid. It was discovered by Hans-Emil Schuster on August 6, 1980, and is named after Nyx, the Greek goddess of the night, after which Pluto's moon Nix is also named...

. He discovered the near-earth asteroid 161989 Cacus, which was lost and not recovered until 2003.

Schuster participated in the exploration, selection and testing of the sites of two ESO observatories: La Silla Observatory and Paranal Observatory
Paranal Observatory
Paranal Observatory is an astronomical observatory located on Cerro Paranal at 2,635 m altitude and operated by the European Southern Observatory. The Very Large Telescope is the largest telescope on Paranal, actually composed of four separate 8.2 m telescopes...

 (the latter is the VLT
VLT
VLT may stand for:* Very Large Telescope, a system of four large optical telescopes organized in an array formation, located in northern Chile...

 site).

He also participated in two ESO Southern Sky Surveys: the ESO-B survey ("Quick-Blue Survey") completed in 1978 was the first deep optical survey of the southern sky; and the "Red Sky Survey". Photographic plates were taken with the ESO's 1-meter Schmidt Telescope at La Silla.

He co-discovered the Phoenix Dwarf
Phoenix Dwarf
The Phoenix Dwarf is a dwarf galaxy and an irregular galaxy that was discovered in 1976 by Hans-Emil Schuster and Richard Martin West and mistaken for a globular cluster. It is currently 1.44 Mly away from Earth...

 galaxy (with Richard M. West), and in 1976 also discovered the Eridanus Globular Cluster, one of the most distant globular cluster
Globular cluster
A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. The name of this category of star cluster is...

s in the galactic halo
Galactic halo
The term galactic halo is used to denote an extended, roughly spherical component of a galaxy, which extends beyond the main, visible component. It can refer to any of several distinct components which share these properties:* the galactic spheroid...

. In 1980, he discovered a type-II supernova
Supernova
A supernova is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months...

 in the galaxy
Galaxy
A galaxy is a massive, gravitationally bound system that consists of stars and stellar remnants, an interstellar medium of gas and dust, and an important but poorly understood component tentatively dubbed dark matter. The word galaxy is derived from the Greek galaxias , literally "milky", a...

 NGC
New General Catalogue
The New General Catalogue of Nebulae and Clusters of Stars is a well-known catalogue of deep sky objects in astronomy. It contains 7,840 objects, known as the NGC objects...

 1255. However, "Schuster's Spiral" (Horologium Dwarf) is not named after him, but a different Schuster.

The asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

 2018 Schuster
2018 Schuster
2018 Schuster is a main-belt asteroid discovered on October 17, 1931 by K. Reinmuth at Heidelberg.- External links :*...

 was named in his honour. On 21 October 2011 he was awarded the rank of Commander of the Order of Bernardo O'Higgins
Order of Bernardo O'Higgins
The Order of Bernardo O'Higgins is the highest state award of Chile, presented to foreign citizens. This award was established in 1965 and named after one of the founders of the Chilean state general Bernardo O'Higgins who was the leader of the struggle for independence of the Spanish colonies in...

 in recognition of his important contribution to astronomy in Chile.
Asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

s discovered: 25
2105 Gudy
2105 Gudy
2105 Gudy is a main-belt asteroid discovered on February 29, 1976 by Schuster, H.-E. at La Silla.- External links :*...

 
February 29, 1976
2234 Schmadel
2234 Schmadel
2234 Schmadel is a main-belt asteroid discovered on April 27, 1977 by Hans-Emil Schuster at the European Southern Observatory. It was named in honor of the astronomer Lutz D. Schmadel.- External links :*...

 
April 27, 1977
2275 Cuitlahuac
2275 Cuitlahuac
2275 Cuitlahuac is a main-belt asteroid discovered on June 16, 1979 by Schuster, H.-E. at La Silla.- External links :*...

 
June 16, 1979
2329 Orthos
2329 Orthos
2329 Orthos is a Apollo asteroid and Near-Earth object discovered on November 19, 1976 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
November 19, 1976
2608 Seneca
2608 Seneca
2608 Seneca is an Amor asteroid discovered on February 17, 1978 by H.-E. Schuster at La Silla.- External links :*...

 
February 17, 1978
3266 Bernardus
3266 Bernardus
3266 Bernardus is an inner main-belt asteroid discovered on August 11, 1978 by Schuster, H.-E. at La Silla.- External links :*...

 
August 11, 1978
3271 Ul
3271 Ul
3271 Ul is an Amor asteroid with an orbital period of 1113.1825740 days . The asteroid was discovered on September 14, 1982.-References:...

 
September 14, 1982
3288 Seleucus
3288 Seleucus
3288 Seleucus is an Amor asteroid discovered on February 28, 1982 by H.-E. Schuster at La Silla.- External links :*...

 
February 28, 1982
3398 Stattmayer
3398 Stättmayer
3398 Stättmayer is a main belt asteroid with an orbital period of 1263.3654856 days . The asteroid was discovered on August 10, 1978.-References:...

 
August 10, 1978
3496 Arieso
3496 Arieso
3496 Arieso is a Mars-crossing asteroid discovered on September 5, 1977 by Hans-Emil Schuster at La Silla Observatory.- External links :*...

 
September 5, 1977
3908 Nyx
3908 Nyx
3908 Nyx is an Amor and Mars-crosser asteroid. It was discovered by Hans-Emil Schuster on August 6, 1980, and is named after Nyx, the Greek goddess of the night, after which Pluto's moon Nix is also named...

 
August 6, 1980
4761 Urrutia
4761 Urrutia
4761 Urrutia is a main-belt asteroid discovered on August 27, 1981 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
August 27, 1981
6163 Reimers
6163 Reimers
6163 Reimers is an inner main-belt asteroid discovered on March 16, 1977 by H.-E. Schuster at La Silla.- External links :*...

 
March 16, 1977
6261 Chione
6261 Chione
6261 Chione is a Mars-crossing asteroid discovered on November 30, 1976 by Schuster, H.-E. at La Silla.- External links :*...

 
November 30, 1976
6847 Kunz-Hallstein
6847 Kunz-Hallstein
6847 Kunz-Hallstein is a main belt asteroid with an orbital period of 1293.0819898 days . The asteroid was discovered on September 5, 1977.-References:...

 
September 5, 1977
7215 Gerhard
7215 Gerhard
7215 Gerhard is an outer main-belt asteroid discovered on March 16, 1977 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
March 16, 1977
10454 Vallenar
10454 Vallenar
10454 Vallenar is a main-belt asteroid discovered on July 9, 1978 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
July 9, 1978
10669 Herfordia
10669 Herfordia
10669 Herfordia is a main-belt asteroid discovered on March 16, 1977 by H.-E. Schuster at the European Southern Observatory. It is named for the German town of Herford.- References :...

 
March 16, 1977
11001 Andrewulff
11001 Andrewulff
11001 Andrewulff is a main-belt asteroid discovered on June 16, 1979 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
June 16, 1979
11789 Kempowski
11789 Kempowski
11789 Kempowski is an inner main-belt asteroid discovered on September 5, 1977 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
September 5, 1977
12211 Arnoschmidt
12211 Arnoschmidt
12211 Arnoschmidt is a main-belt asteroid discovered on May 28, 1981 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
May 28, 1981
26074 Carlwirtz
26074 Carlwirtz
26074 Carlwirtz is a Mars-crossing asteroid discovered on October 8, 1977 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
October 8, 1977
46514 Lasswitz
46514 Lasswitz
46514 Lasswitz is a main-belt asteroid discovered on May 15, 1977 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
May 15, 1977
73640 Biermann
73640 Biermann
73640 Biermann is a main-belt asteroid discovered on September 5, 1977 by H.-E. Schuster at the European Southern Observatory.- External links :*...

 
September 5, 1977
161989 Cacus  February 8, 1978
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK