Alexei Filippenko
E56079
Alexei Filippenko is an American astrophysicist renowned for his work on supernovae, active galaxies, and the accelerating expansion of the universe, as well as for his award-winning teaching and science communication.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Alex Filippenko | 2 |
| Alexei Filippenko canonical | 2 |
| Alexei V. Filippenko | 2 |
| Filippenko | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T365169 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alexei Filippenko Context triple: [Henry Norris Russell Lectureship, notableRecipient, Alexei Filippenko]
-
A.
Dorion Sagan
Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
-
B.
Mark Ciardi
Mark Ciardi is an American film producer and former Major League Baseball pitcher best known for producing inspirational sports and historical dramas such as "The Rookie," "Miracle," and "Chappaquiddick."
-
C.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
D.
Norman Spinrad
Norman Spinrad is an American science fiction author known for his provocative, politically charged novels and short stories, including "Bug Jack Barron" and "The Iron Dream."
-
E.
Nicholas Sagan
Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alexei Filippenko Target entity description: Alexei Filippenko is an American astrophysicist renowned for his work on supernovae, active galaxies, and the accelerating expansion of the universe, as well as for his award-winning teaching and science communication.
-
A.
Dorion Sagan
Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
-
B.
Mark Ciardi
Mark Ciardi is an American film producer and former Major League Baseball pitcher best known for producing inspirational sports and historical dramas such as "The Rookie," "Miracle," and "Chappaquiddick."
-
C.
Steven Soter
Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
-
D.
Norman Spinrad
Norman Spinrad is an American science fiction author known for his provocative, politically charged novels and short stories, including "Bug Jack Barron" and "The Iron Dream."
-
E.
Nicholas Sagan
Nicholas Sagan is the son of science communicator Ann Druyan and famed astronomer Carl Sagan.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astronomer
ⓘ
astrophysicist ⓘ human ⓘ science communicator ⓘ university professor ⓘ |
| academicDegree |
Bachelor of Arts in physics
ⓘ
PhD in astronomy ⓘ |
| awardReceived |
American Astronomical Society Education Prize
ⓘ
Berkeley Distinguished Teaching Award ⓘ Carl Sagan Prize for Science Popularization ⓘ
linked to:
Carl Sagan Memorial Award
Richard H. Emmons Award for Excellence in College Astronomy Teaching ⓘ U.S. Professor of the Year award ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
California Institute of Technology
ⓘ
University of California, Santa Barbara ⓘ |
| employer | University of California, Berkeley ⓘ |
| familyName |
Filippenko
ⓘ
linked to:
Alexei Filippenko
|
| fieldOfWork |
active galactic nuclei
ⓘ
astrophysics ⓘ cosmology ⓘ extragalactic astronomy ⓘ observational astronomy ⓘ supernovae ⓘ |
| genre | popular science ⓘ |
| givenName |
Alexei
ⓘ
linked to:
Alexey
|
| hasRole |
mentor of graduate and undergraduate students in astronomy
ⓘ
principal investigator on supernova observation programs ⓘ |
| knownFor |
contributions to the discovery of the accelerating expansion of the universe
ⓘ
public science communication ⓘ research on active galaxies ⓘ research on supernovae ⓘ science education ⓘ |
| languageSpoken | English ⓘ |
| memberOf |
High-z Supernova Search Team
ⓘ
Supernova Cosmology Project ⓘ |
| name | Alexei Filippenko ⓘ |
| notableWork |
observations of supernova SN 1987A
ⓘ
popular astronomy lectures ⓘ research on Type Ia supernovae as cosmological distance indicators ⓘ studies of the central black hole in the Milky Way and other galaxies ⓘ television science programs ⓘ |
| occupation |
educator
ⓘ
professor of astronomy ⓘ research scientist ⓘ |
| researchInterest |
black holes
ⓘ
cosmic expansion ⓘ dark energy ⓘ supermassive black holes in galactic nuclei ⓘ |
| workplace |
Department of Astronomy, University of California, Berkeley
ⓘ
linked to:
Department of Astronomy (UC Berkeley)
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Alexei Filippenko Description of subject: Alexei Filippenko is an American astrophysicist renowned for his work on supernovae, active galaxies, and the accelerating expansion of the universe, as well as for his award-winning teaching and science communication.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alexei Filippenko
linked to: Alexei Filippenko
linked to: Alexei Filippenko
linked to: Alexei Filippenko
linked to: Alexei Filippenko