Walter Baade

E16507

German astronomer astronomer human

Walter Baade was a German astronomer whose work on variable stars and the structure of the Milky Way led to a major revision of the cosmic distance scale and our understanding of the universe’s size and age.

Aliases (1)

Wilhelm Heinrich Walter Baade ×1

Statements (50)

Predicate	Object
instanceOf	German astronomer → astronomer → human →
awardReceived	Bruce Medal → Gold Medal of the Royal Astronomical Society →
birthName	Wilhelm Heinrich Walter Baade →
countryOfCitizenship	German Empire → Germany →
dateOfBirth	1893-03-24 →
dateOfDeath	1960-06-25 →
discovered	Baade’s Window → asteroid 1036 Ganymed → asteroid 944 Hidalgo → several asteroids → stellar population I → stellar population II →
educatedAt	University of Göttingen →
employer	Carnegie Institution of Washington → Mount Wilson Observatory →
era	20th-century astronomy →
fieldOfWork	astronomy → astrophysics →
hasEponym	Baade lunar crater → Baade’s Window → Baade’s star → asteroid 1501 Baade →
influenced	cosmology → distance scale of the universe →
knownFor	distinguishing stellar populations I and II → improving estimates of the age of the universe → improving estimates of the size of the universe → observations of the Andromeda Galaxy → revision of the cosmic distance scale → studies of the structure of the Milky Way → work on Cepheid variable stars → work on RR Lyrae stars → work on variable stars →
memberOf	National Academy of Sciences of the United States → Royal Astronomical Society →
name	Walter Baade →
notableObservationSite	100-inch Hooker Telescope at Mount Wilson Observatory →
observed	supernova SN 1954J → supernovae in external galaxies →
placeOfBirth	Schröttinghausen, Germany →
placeOfDeath	Göttingen, Germany →
researchFocus	extragalactic distance scale → galactic structure → stellar populations →
workLocation	Mount Wilson, California, United States → Pasadena, California, United States →

Referenced by (15)

Subject (surface form when different)	Predicate
1501 Baade → Baade → Baade Telescope → Baade’s Window → Baade’s star → Magellan I →	namedAfter
1036 Ganymed → Baade’s Window → Baade’s star →	discoveredBy
Walter Baade ("Wilhelm Heinrich Walter Baade") →	birthName
Fritz Zwicky →	coAuthor
Walter Baade →	name
Henry Norris Russell Lectureship →	notableRecipient
100-inch Hooker Telescope →	usedBy
944 Hidalgo →	wasDiscoveredBy