Nicholas Sanduleak (

Romanian Romanian may refer to: *anything of, from, or related to the country and nation of Romania **Romanians, an ethnic group **Romanian language, a Romance language *** Romanian dialects, variants of the Romanian language ** Romanian cuisine, tradition ...

: Nicolae Sanduleac June 22, 1933 in Lackawanna, New York,

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

– May 7, 1990) was an American

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 ...

Biography

Sanduleak's parents were born in

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, and ...

. His family moved to

Cleveland Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...

soon after he was born, where Sanduleak did undergraduate work at the

Case Institute of Technology Case Western Reserve University (CWRU) is a Private university, private research university in Cleveland, Cleveland, Ohio. Case Western Reserve was established in 1967, when Western Reserve University, founded in 1826 and named for its location i ...

, receiving a

B.S. A Bachelor of Science (BS, BSc, SB, or ScB; from the Latin ') is a bachelor's degree awarded for programs that generally last three to five years. The first university to admit a student to the degree of Bachelor of Science was the University ...

in 1956. After serving in the

Army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

, Sanduleak came back to Case Institute, receiving a

master's degree A master's degree (from Latin ) is an academic degree awarded by universities or colleges upon completion of a course of study demonstrating mastery or a high-order overview of a specific field of study or area of professional practice.

in 1961 and a

doctorate A doctorate (from Latin ''docere'', "to teach"), doctor's degree (from Latin ''doctor'', "teacher"), or doctoral degree is an academic degree awarded by universities and some other educational institutions, derived from the ancient formalism ''li ...

in 1965. His advisor was Dr.

Victor Manuel Blanco The name Victor or Viktor may refer to: * Victor (name), including a list of people with the given name, mononym, or surname Arts and entertainment Film * ''Victor'' (1951 film), a French drama film * ''Victor'' (1993 film), a French shor ...

. After working at the Kitt Peak and Cerro Tololo Observatories, Sanduleak moved to the

Warner and Swasey Observatory The Warner and Swasey Observatory is the astronomical observatory of Case Western Reserve University. Named after Worcester R. Warner and Ambrose Swasey, who built it at the beginning of the 20th century, it was initially located on Taylor Road i ...

, where he remained until his death from

cardiac arrest Cardiac arrest is when the heart suddenly and unexpectedly stops beating. It is a medical emergency that, without immediate medical intervention, will result in sudden cardiac death within minutes. Cardiopulmonary resuscitation (CPR) and poss ...

.Obituary: Nicholas Sanduleak, 1933-1990
Charles Bruce Stephenson, ''Bulletin of the American Astronomical Society'' 23, #4 (September 1991), pp. 1491–1492.
web page, accessed on line September 18, 2007.

Scientific contributions

Sanduleak was a

spectroscopist Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation. Matter wav ...

who worked on a number of very large

objective prism Slitless spectroscopy is astronomical spectroscopy done without a small slit to allow only light from a small region to be diffracted. It works best in sparsely populated fields, as it spreads each point source out into its spectrum, and crowded f ...

surveys. He discovered Nova Aurigae 1964 on one of the objective prism plates. He was the first to discover metallicity differences between the Small and

Large Large means of great size. Large may also refer to: Mathematics * Arbitrarily large, a phrase in mathematics * Large cardinal, a property of certain transfinite numbers * Large category, a category with a proper class of objects and morphisms ( ...

Magellanic Clouds The Magellanic Clouds (''Magellanic system'' or ''Nubeculae Magellani'') are two irregular dwarf galaxies in the southern celestial hemisphere. Orbiting the Milky Way galaxy, these satellite galaxies are members of the Local Group. Because bo ...

, and wrote papers about a number of spectroscopically interesting objects. He produced a catalogue of stars in the Magellanic Clouds which included the star

Sanduleak -69° 202 Sanduleak -69 202 (''Sk -69 202'', also known as '' GSC 09162-00821'') was a magnitude 12 blue supergiant star, located on the outskirts of the Tarantula Nebula in the Large Magellanic Cloud. It is notable as the progenitor of supernova 1 ...

, the progenitor of the supernova

SN 1987A SN 1987A was a type II supernova in the Large Magellanic Cloud, a dwarf satellite galaxy of the Milky Way. It occurred approximately from Earth and was the closest observed supernova since Kepler's Supernova. 1987A's light reached Earth on ...

. The asteroid

9403 Sanduleak 94 may refer to: * 94 (number) * one of the years 94 BC, AD 94, 1994, 2094, etc. * Atomic number 94: plutonium * Saab 94 See also * * List of highways numbered A ''list'' is any set of items in a row. List or lists may also refer to: Peopl ...

is named after him.9403 Sanduleak (1994 UJ11)
web page at the ''JPL Small-Body Database Browser'', accessed on line September 18, 2007.

References

{{DEFAULTSORT:Sanduleak, Nicholas 1933 births 1990 deaths 20th-century American astronomers American people of Romanian descent Case Western Reserve University alumni