Andrzej Udalski
E232095
Andrzej Udalski is a Polish astronomer renowned for leading the OGLE sky survey and pioneering research in gravitational microlensing and variable stars.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Andrzej Udalski canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2036074 — 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: Andrzej Udalski Context triple: [OGLE, principalInvestigator, Andrzej Udalski]
-
A.
Bohdan Paczyński
Bohdan Paczyński was a prominent Polish-American astrophysicist known for pioneering work in gravitational lensing, gamma-ray bursts, and large-scale sky surveys.
-
B.
Alexei Filippenko
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.
-
C.
Ryszard Gajewski
Ryszard Gajewski is a Polish mountaineer renowned as a pioneer of Himalayan winter climbing.
-
D.
Jan Nowak-Jeziorański
Jan Nowak-Jeziorański was a prominent Polish World War II courier and resistance fighter who later became a noted journalist, writer, and advocate for Polish independence and democracy.
-
E.
Bolesław Zajączkowski
Bolesław Zajączkowski was a Polish military officer best known for leading the heroic but doomed defense at Zadwórze during the Polish–Soviet War.
- 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: Andrzej Udalski Target entity description: Andrzej Udalski is a Polish astronomer renowned for leading the OGLE sky survey and pioneering research in gravitational microlensing and variable stars.
-
A.
Bohdan Paczyński
Bohdan Paczyński was a prominent Polish-American astrophysicist known for pioneering work in gravitational lensing, gamma-ray bursts, and large-scale sky surveys.
-
B.
Alexei Filippenko
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.
-
C.
Ryszard Gajewski
Ryszard Gajewski is a Polish mountaineer renowned as a pioneer of Himalayan winter climbing.
-
D.
Jan Nowak-Jeziorański
Jan Nowak-Jeziorański was a prominent Polish World War II courier and resistance fighter who later became a noted journalist, writer, and advocate for Polish independence and democracy.
-
E.
Bolesław Zajączkowski
Bolesław Zajączkowski was a Polish military officer best known for leading the heroic but doomed defense at Zadwórze during the Polish–Soviet War.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Polish scientist
ⓘ
astronomer ⓘ human ⓘ |
| affiliation |
OGLE collaboration
ⓘ
linked to:
OGLE-IV
|
| awardReceived |
Foundation for Polish Science Prize
ⓘ
Order of Polonia Restituta ⓘ Tycho Brahe Prize ⓘ |
| basedIn | Warsaw ⓘ |
| citizenship | Poland ⓘ |
| countryOfCitizenship | Poland ⓘ |
| educatedAt | University of Warsaw ⓘ |
| employer |
Astronomical Observatory of the University of Warsaw
ⓘ
University of Warsaw ⓘ |
| fieldOfWork |
astronomy
ⓘ
astrophysics ⓘ |
| gender | male ⓘ |
| hasRole | principal investigator of OGLE survey ⓘ |
| influenced | development of microlensing as a tool for exoplanet detection ⓘ |
| knownFor |
Galactic structure studies
ⓘ
Magellanic Clouds variable stars catalogs ⓘ OGLE sky survey ⓘ
linked to:
OGLE-IV survey
Optical Gravitational Lensing Experiment ⓘ
linked to:
OGLE-I survey
gravitational microlensing ⓘ search for exoplanets via microlensing ⓘ variable stars research ⓘ |
| languageOfWorkOrName |
English
ⓘ
Polish ⓘ |
| memberOf |
Polish Academy of Sciences
ⓘ
Polish Astronomical Society ⓘ |
| name | Andrzej Udalski ⓘ |
| nationality | Poland ⓘ |
| notableAchievement |
co-discovery of multiple exoplanets via microlensing
ⓘ
creation of extensive photometric databases of variable stars ⓘ |
| notableWork |
OGLE-I survey
ⓘ
OGLE-II survey ⓘ
linked to:
OGLE-II
OGLE-III survey ⓘ OGLE-IV survey ⓘ |
| occupation |
astronomer
ⓘ
university professor ⓘ |
| positionHeld | director of the Astronomical Observatory of the University of Warsaw ⓘ |
| researchInterest |
Galactic bulge
ⓘ
Magellanic Clouds ⓘ exoplanets ⓘ gravitational lensing ⓘ variable stars ⓘ |
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: Andrzej Udalski Description of subject: Andrzej Udalski is a Polish astronomer renowned for leading the OGLE sky survey and pioneering research in gravitational microlensing and variable stars.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.