Stéphane Udry
E918833
Stéphane Udry is a Swiss astronomer known for his work in exoplanet discovery and radial-velocity surveys, particularly with the HARPS spectrograph.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stéphane Udry canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11317437 — 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: Stéphane Udry Context triple: [Gliese 581c, discoveredBy, Stéphane Udry]
-
A.
Michel Mayor
Michel Mayor is a Swiss astrophysicist renowned for co-discovering the first exoplanet orbiting a Sun-like star, a breakthrough that revolutionized the field of planetary science.
-
B.
Didier Queloz
Didier Queloz is a Swiss astronomer and Nobel laureate best known for co-discovering the first exoplanet orbiting a Sun-like star, a breakthrough that launched the field of exoplanet research.
-
C.
Jean-Luc Lemoine
Jean-Luc Lemoine is a French comedian, television host, and writer known for his sharp wit and appearances on various French TV entertainment shows.
-
D.
Jean-Bernard Fernandez-Versini
Jean-Bernard Fernandez-Versini is a French restaurateur and businessman best known for his high-profile marriage to British singer Cheryl (formerly Cheryl Cole).
-
E.
Jean-Paul Viguier
Jean-Paul Viguier is a prominent French architect known for his contemporary urban projects and innovative public spaces.
- 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: Stéphane Udry Target entity description: Stéphane Udry is a Swiss astronomer known for his work in exoplanet discovery and radial-velocity surveys, particularly with the HARPS spectrograph.
-
A.
Michel Mayor
Michel Mayor is a Swiss astrophysicist renowned for co-discovering the first exoplanet orbiting a Sun-like star, a breakthrough that revolutionized the field of planetary science.
-
B.
Didier Queloz
Didier Queloz is a Swiss astronomer and Nobel laureate best known for co-discovering the first exoplanet orbiting a Sun-like star, a breakthrough that launched the field of exoplanet research.
-
C.
Jean-Luc Lemoine
Jean-Luc Lemoine is a French comedian, television host, and writer known for his sharp wit and appearances on various French TV entertainment shows.
-
D.
Jean-Bernard Fernandez-Versini
Jean-Bernard Fernandez-Versini is a French restaurateur and businessman best known for his high-profile marriage to British singer Cheryl (formerly Cheryl Cole).
-
E.
Jean-Paul Viguier
Jean-Paul Viguier is a prominent French architect known for his contemporary urban projects and innovative public spaces.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Swiss scientist
ⓘ
astronomer ⓘ human ⓘ |
| affiliation | Department of Astronomy, University of Geneva NERFINISHED ⓘ |
| basedIn | Geneva, Switzerland NERFINISHED ⓘ |
| citizenship | Swiss ⓘ |
| collaboratedWith |
Didier Queloz
NERFINISHED
ⓘ
Michel Mayor NERFINISHED ⓘ |
| contributedTo |
characterization of planetary systems around nearby stars
ⓘ
discovery of several Neptune-mass exoplanets ⓘ discovery of super-Earth exoplanets ⓘ |
| countryOfCitizenship | Switzerland ⓘ |
| educatedAt | University of Geneva NERFINISHED ⓘ |
| employer | University of Geneva NERFINISHED ⓘ |
| fieldOfWork |
astronomy
ⓘ
exoplanet research ⓘ planetary systems ⓘ radial-velocity surveys ⓘ stellar radial velocities ⓘ |
| gender | male ⓘ |
| hasResearchInterest |
extrasolar planets
ⓘ
habitability of exoplanets ⓘ planet formation ⓘ stellar kinematics ⓘ |
| instrumentUsed |
CORALIE spectrograph
NERFINISHED
ⓘ
HARPS spectrograph NERFINISHED ⓘ |
| knownFor |
HARPS spectrograph surveys
ⓘ
exoplanet discovery ⓘ radial-velocity method for exoplanets ⓘ |
| languageSpoken | French ⓘ |
| memberOf | Geneva exoplanet search group NERFINISHED ⓘ |
| notableAchievement |
co-authored numerous highly cited exoplanet discovery papers
ⓘ
helped establish HARPS as a leading exoplanet-hunting instrument ⓘ |
| notableStudent | Michel Mayor’s exoplanet research group collaborator ⓘ |
| notableWork |
discovery of low-mass exoplanets
ⓘ
participation in the HARPS exoplanet survey ⓘ precision radial-velocity measurements of stars ⓘ |
| occupation |
astronomer
ⓘ
professor ⓘ |
| placeOfWork | Observatoire de Genève NERFINISHED ⓘ |
| positionHeld |
director of the Geneva Observatory
ⓘ
professor of astronomy at the University of Geneva ⓘ |
| researchMethod |
high-precision radial-velocity spectroscopy
ⓘ
long-term stellar monitoring ⓘ |
| workLocation | Geneva Observatory NERFINISHED ⓘ |
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: Stéphane Udry Description of subject: Stéphane Udry is a Swiss astronomer known for his work in exoplanet discovery and radial-velocity surveys, particularly with the HARPS spectrograph.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.