Henrietta Swan Leavitt
E137080
Henrietta Swan Leavitt was an American astronomer whose discovery of the period–luminosity relationship of Cepheid variable stars provided the key to measuring cosmic distances and revolutionized our understanding of the scale of the universe.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Henrietta Swan Leavitt canonical | 13 |
| Henrietta Swan Leavitt (collaborative work context) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1165372 — 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: Henrietta Swan Leavitt Context triple: [Edward Charles Pickering, notableStudent, Henrietta Swan Leavitt]
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A.
Annie Jump Cannon
Annie Jump Cannon was an American astronomer renowned for her pioneering work in stellar classification and for helping develop the Harvard Classification Scheme used to categorize stars.
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B.
Henrietta Hill Swope
Henrietta Hill Swope was an American astronomer known for her pioneering work on variable stars and for being one of the first women to make significant contributions to modern observational astronomy.
-
C.
Edward Charles Pickering
Edward Charles Pickering was a pioneering American astronomer and longtime director of the Harvard College Observatory, known for his major contributions to stellar spectroscopy and the classification of stars.
-
D.
Margaret Burbidge
Margaret Burbidge was a pioneering British-American astrophysicist whose work on stellar nucleosynthesis and quasars helped transform modern astronomy and cosmology.
-
E.
Sandra Faber
Sandra Faber is an influential American astronomer and cosmologist renowned for her work on galaxy formation, dark matter, and the Faber–Jackson relation.
- 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: Henrietta Swan Leavitt Target entity description: Henrietta Swan Leavitt was an American astronomer whose discovery of the period–luminosity relationship of Cepheid variable stars provided the key to measuring cosmic distances and revolutionized our understanding of the scale of the universe.
-
A.
Annie Jump Cannon
Annie Jump Cannon was an American astronomer renowned for her pioneering work in stellar classification and for helping develop the Harvard Classification Scheme used to categorize stars.
-
B.
Henrietta Hill Swope
Henrietta Hill Swope was an American astronomer known for her pioneering work on variable stars and for being one of the first women to make significant contributions to modern observational astronomy.
-
C.
Edward Charles Pickering
Edward Charles Pickering was a pioneering American astronomer and longtime director of the Harvard College Observatory, known for his major contributions to stellar spectroscopy and the classification of stars.
-
D.
Margaret Burbidge
Margaret Burbidge was a pioneering British-American astrophysicist whose work on stellar nucleosynthesis and quasars helped transform modern astronomy and cosmology.
-
E.
Sandra Faber
Sandra Faber is an influential American astronomer and cosmologist renowned for her work on galaxy formation, dark matter, and the Faber–Jackson relation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
American astronomer
ⓘ
astronomer ⓘ human ⓘ |
| awardReceived | posthumous recognition in astronomical community ⓘ |
| causeOfDeath | cancer ⓘ |
| contributedTo | establishment of Cepheid variables as standard candles ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1868-07-04 ⓘ |
| dateOfDeath | 1921-12-12 ⓘ |
| describedBySource |
biographical works on women astronomers
ⓘ
scientific literature on Cepheid variables ⓘ |
| discovered | period–luminosity relationship of Cepheid variable stars ⓘ |
| educatedAt |
Oberlin College
ⓘ
Radcliffe College ⓘ |
| employer | Harvard College Observatory ⓘ |
| ethnicGroup |
White American
ⓘ
linked to:
European American
|
| familyName | Leavitt ⓘ |
| fieldOfWork |
astronomy
ⓘ
astrophysics ⓘ |
| givenName | Henrietta ⓘ |
| hasDiscipline | observational astronomy ⓘ |
| hasEffect |
enabled measurement of extragalactic distances
ⓘ
revolutionized understanding of the scale of the universe ⓘ |
| hasNamesake |
asteroid 5383 Leavitt
ⓘ
crater Leavitt on the Moon ⓘ |
| influenced |
Edwin Hubble
ⓘ
Harlow Shapley ⓘ cosmic distance scale measurements ⓘ |
| knownFor | Leavitt law ⓘ |
| languageOfWorkOrName | English ⓘ |
| memberOf |
Harvard Computers
ⓘ
linked to:
Harvard Computers program
|
| middleName | Swan ⓘ |
| notableFor |
discovery of the period–luminosity relationship of Cepheid variable stars
ⓘ
work on variable stars in the Magellanic Clouds ⓘ |
| notableWork | 1912 paper on periods of 25 Cepheid variables in the Small Magellanic Cloud ⓘ |
| occupation | astronomer ⓘ |
| partOf |
history of astronomy
ⓘ
history of women in science ⓘ |
| placeOfBirth |
Lancaster, Massachusetts, United States
ⓘ
linked to:
Lancaster, Massachusetts
|
| placeOfDeath |
Cambridge, Massachusetts, United States
ⓘ
linked to:
Cambridge, Massachusetts
|
| religion | Congregationalism ⓘ |
| residence |
Cambridge, Massachusetts, United States
ⓘ
linked to:
Cambridge, Massachusetts
|
| sexOrGender | female ⓘ |
| studied |
Cepheid variable stars
ⓘ
Magellanic Clouds ⓘ |
| workLocation |
Cambridge, Massachusetts, United States
ⓘ
linked to:
Cambridge, Massachusetts
|
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: Henrietta Swan Leavitt Description of subject: Henrietta Swan Leavitt was an American astronomer whose discovery of the period–luminosity relationship of Cepheid variable stars provided the key to measuring cosmic distances and revolutionized our understanding of the scale of the universe.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Henrietta Swan Leavitt
1912 paper on periods of 25 Cepheid variables in the Small Magellanic Cloud
→
author
→
Henrietta Swan Leavitt
ⓘ
subject linked to:
asteroid 5383 Leavitt