Oosterhoff type II
E1415017
UNEXPLORED
Oosterhoff type II is a classification of globular clusters characterized by relatively metal-poor RR Lyrae variable stars with longer pulsation periods than those in Oosterhoff type I clusters.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oosterhoff type II canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20161469 — 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: Oosterhoff type II Context triple: [GCl 111, OosterhoffType, Oosterhoff type II]
-
A.
Cepheid variables
Cepheid variables are pulsating stars whose regular brightness variations make them crucial standard candles for measuring cosmic distances and mapping galactic structure.
-
B.
Delta Scuti
Delta Scuti is a variable star in the constellation Scutum, serving as the prototype of the Delta Scuti class of short-period pulsating stars.
-
C.
Cepheid
Cepheid is a molecular diagnostics company known for its rapid, automated PCR-based testing systems used in clinical and research settings.
-
D.
RV Tauri
RV Tauri is a class of luminous pulsating variable stars, typically post-asymptotic giant branch objects, characterized by alternating deep and shallow minima in their light curves.
-
E.
Beta Cephei
Beta Cephei is a class of hot, massive B-type pulsating variable stars whose brightness variations are driven by pressure and gravity mode oscillations.
- 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: Oosterhoff type II Target entity description: Oosterhoff type II is a classification of globular clusters characterized by relatively metal-poor RR Lyrae variable stars with longer pulsation periods than those in Oosterhoff type I clusters.
-
A.
Cepheid variables
Cepheid variables are pulsating stars whose regular brightness variations make them crucial standard candles for measuring cosmic distances and mapping galactic structure.
-
B.
Delta Scuti
Delta Scuti is a variable star in the constellation Scutum, serving as the prototype of the Delta Scuti class of short-period pulsating stars.
-
C.
Cepheid
Cepheid is a molecular diagnostics company known for its rapid, automated PCR-based testing systems used in clinical and research settings.
-
D.
RV Tauri
RV Tauri is a class of luminous pulsating variable stars, typically post-asymptotic giant branch objects, characterized by alternating deep and shallow minima in their light curves.
-
E.
Beta Cephei
Beta Cephei is a class of hot, massive B-type pulsating variable stars whose brightness variations are driven by pressure and gravity mode oscillations.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.