Palomar 60-inch Telescope

E516511

optical telescope reflecting telescope

The Palomar 60-inch Telescope is a 1.5-meter-class reflecting telescope at Palomar Observatory used primarily for optical imaging and time-domain astronomy.

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All labels observed (3)

Label	Occurrences
60-inch Hale reflector	1
Palomar 60-inch Telescope canonical	1
Palomar Observatory telescope suite	1

How this entity was disambiguated

This entity first appeared as the object of triple T5363143 — 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: Palomar 60-inch Telescope
Context triple: [Palomar Observatory, hasTelescope, Palomar 60-inch Telescope]

A. Palomar 48-inch Schmidt Telescope
The Palomar 48-inch Schmidt Telescope is a wide-field survey telescope at Palomar Observatory renowned for its major contributions to sky surveys and the discovery of numerous astronomical objects.
B. Hale Telescope
The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
C. 100-inch Hooker Telescope at Mount Wilson Observatory
The 100-inch Hooker Telescope at Mount Wilson Observatory is a historic reflecting telescope that played a pivotal role in early 20th-century astronomy, including landmark discoveries about galaxies and the expanding universe.
D. Palomar Observatory
Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of celestial objects.
E. 20 Meter Telescope
The 20 Meter Telescope is a mid-sized radio telescope at the Green Bank Observatory used for astronomical research and education in radio astronomy.
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: Palomar 60-inch Telescope
Target entity description: The Palomar 60-inch Telescope is a 1.5-meter-class reflecting telescope at Palomar Observatory used primarily for optical imaging and time-domain astronomy.

A. Palomar 48-inch Schmidt Telescope
The Palomar 48-inch Schmidt Telescope is a wide-field survey telescope at Palomar Observatory renowned for its major contributions to sky surveys and the discovery of numerous astronomical objects.
B. Hale Telescope
The Hale Telescope is a historic 200-inch reflecting telescope at Palomar Observatory in California that was once the world’s largest and remains a landmark instrument in observational astronomy.
C. 100-inch Hooker Telescope at Mount Wilson Observatory
The 100-inch Hooker Telescope at Mount Wilson Observatory is a historic reflecting telescope that played a pivotal role in early 20th-century astronomy, including landmark discoveries about galaxies and the expanding universe.
D. Palomar Observatory
Palomar Observatory is a major astronomical research facility in California known for its large telescopes and significant contributions to the discovery and study of celestial objects.
E. 20 Meter Telescope
The 20 Meter Telescope is a mid-sized radio telescope at the Green Bank Observatory used for astronomical research and education in radio astronomy.
F. None of above. chosen

Statements (43)

Predicate	Object
instanceOf	optical telescope ⓘ reflecting telescope ⓘ
commissionedFor	astronomical research ⓘ
country	United States ⓘ linked to: United States of America
hasAperture	1.5 meters ⓘ 60 inches ⓘ
hasDetector	CCD camera ⓘ
hasDiameterClass	1.5-meter-class telescope ⓘ
hasMirrorMaterial	glass ⓘ
hasOpticalDesign	Cassegrain focus ⓘ
locatedIn	California ⓘ linked to: California, United States Palomar Observatory ⓘ San Diego County, California ⓘ linked to: San Diego County United States ⓘ linked to: United States of America
locatedOn	Palomar Mountain ⓘ
mountType	equatorial mount ⓘ
observatoryAltitude	approximately 1700 meters ⓘ approximately 5600 feet ⓘ
observatoryCode	675 ⓘ
operatedBy	California Institute of Technology ⓘ Palomar Observatory ⓘ
ownedBy	California Institute of Technology ⓘ
partOf	Palomar Observatory telescope suite ⓘ linked to: Palomar 60-inch Telescope
primaryMirrorDiameter	1.5 meters ⓘ 60 inches ⓘ
scienceFocus	time-domain astrophysics ⓘ transient astronomy ⓘ variable phenomena in the night sky ⓘ
supportsObservationMode	imaging ⓘ multi-band photometry ⓘ
telescopeType	Ritchey–Chrétien reflector ⓘ
usedFor	exoplanet transit observations ⓘ gamma-ray burst afterglow follow-up ⓘ optical imaging ⓘ supernova follow-up ⓘ time-domain astronomy ⓘ time-series photometry ⓘ transient follow-up observations ⓘ variable star observations ⓘ
usedIn	follow-up of survey discoveries ⓘ monitoring of known variable sources ⓘ student training and education ⓘ
wavelengthBand	optical ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Palomar Observatory → hasTelescope → Palomar 60-inch Telescope ⓘ

Mount Wilson Observatory → hasTelescope → 60-inch Hale reflector ⓘ

linked to: Palomar 60-inch Telescope

Palomar 60-inch Telescope → partOf → Palomar Observatory telescope suite ⓘ