Nicholas Sanduleak
Encyclopedia
Nicholas Sanduleak was an American
astronomer
.
. His family moved to Cleveland soon after he was born, where Sanduleak did undergraduate work at the Case Institute of Technology, receiving a B.S.
in 1956. After serving in the Army, Sanduleak came back to Case Institute, receiving a master's degree
in 1961 and a doctorate
in 1965. His advisor was Dr. Victor Manuel Blanco
. After working at the Kitt Peak and Cerro Tololo Observatories, Sanduleak moved to the Warner and Swasey Observatory
, where he remained until his death from cardiac arrest.
differences between the Small and Large Magellanic Clouds
, 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, the progenitor of the supernova SN 1987A
. The asteroid
9403 Sanduleak
is named after him.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
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...
.
Biography
Sanduleak's parents were born in RomaniaRomania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...
. His family moved to Cleveland soon after he was born, where Sanduleak did undergraduate work at the Case Institute of Technology, receiving a B.S.
Bachelor of Science
A Bachelor of Science is an undergraduate academic degree awarded for completed courses that generally last three to five years .-Australia:In Australia, the BSc is a 3 year degree, offered from 1st year on...
in 1956. After serving in the Army, Sanduleak came back to Case Institute, receiving a master's degree
Master's degree
A master's is an academic degree granted to individuals who have undergone study demonstrating a mastery or high-order overview of a specific field of study or area of professional practice...
in 1961 and a doctorate
Doctorate
A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder to teach in a specific field, A doctorate is an academic degree or professional degree that in most countries refers to a class of degrees which qualify the holder...
in 1965. His advisor was Dr. Victor Manuel Blanco
Victor Manuel Blanco
Dr. Víctor Manuel Blanco, PhD, was a Puerto Rican astronomer who in 1959 discovered "Blanco 1," a galactic cluster. Blanco was the second Director of the Cerro Tololo Inter-American Observatory in Chile, which had the largest telescope in the Southern Hemisphere at the time. In 1995, the telescope...
. After working at the Kitt Peak and Cerro Tololo Observatories, Sanduleak moved to the Warner and Swasey Observatory
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 in East Cleveland, Ohio, USA...
, where he remained until his death from cardiac arrest.
Scientific contributions
Sanduleak was a spectroscopist who worked on a number of very large objective prism surveys. He was the first to discover metallicityMetallicity
In astronomy and physical cosmology, the metallicity of an object is the proportion of its matter made up of chemical elements other than hydrogen and helium...
differences between the Small and Large Magellanic Clouds
Magellanic Clouds
The two Magellanic Clouds are irregular dwarf galaxies visible in the southern hemisphere, which are members of our Local Group and are orbiting our Milky Way galaxy...
, 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, the progenitor of the supernova SN 1987A
SN 1987A
SN 1987A was a supernova in the outskirts of the Tarantula Nebula in the Large Magellanic Cloud, a nearby dwarf galaxy. It occurred approximately 51.4 kiloparsecs from Earth, approximately 168,000 light-years, close enough that it was visible to the naked eye. It could be seen from the Southern...
. 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...
9403 Sanduleak
9403 Sanduleak
9403 Sanduleak is a minor planet orbiting the Sun. It is named after the American astronomer Nicholas Sanduleak.-References:...
is named after him.