HD
E564028
astronomer
astronomical catalogue abbreviation
standard astronomical designation system
stellar catalogue
HD is the standard astronomical abbreviation for the Henry Draper Catalogue, a widely used star catalog that assigns spectral classifications and identifiers to hundreds of thousands of stars.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HD canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6031390 — 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: HD Context triple: [Henry Draper Catalogue, hasAbbreviation, HD]
-
A.
HD
HD is the New York Stock Exchange ticker symbol for The Home Depot, the largest home improvement retail chain in the United States.
-
B.
HD
HD is the vehicle registration code used for the German city of Heidelberg.
-
C.
HDR
HDR is the commonly used abbreviation for the United Nations Development Programme’s annual Human Development Report, which assesses global progress in human development beyond economic growth alone.
-
D.
HDTV
HDTV (High-Definition Television) is a television broadcasting standard that delivers significantly higher resolution, improved picture clarity, and better color quality compared to traditional standard-definition TV.
-
E.
HV
HV is the IATA airline designator used by Transavia, a Dutch low-cost carrier operating scheduled and charter flights across Europe and surrounding regions.
- 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: HD Target entity description: HD is the standard astronomical abbreviation for the Henry Draper Catalogue, a widely used star catalog that assigns spectral classifications and identifiers to hundreds of thousands of stars.
-
A.
HD
HD is the New York Stock Exchange ticker symbol for The Home Depot, the largest home improvement retail chain in the United States.
-
B.
HD
HD is the vehicle registration code used for the German city of Heidelberg.
-
C.
HDR
HDR is the commonly used abbreviation for the United Nations Development Programme’s annual Human Development Report, which assesses global progress in human development beyond economic growth alone.
-
D.
HDTV
HDTV (High-Definition Television) is a television broadcasting standard that delivers significantly higher resolution, improved picture clarity, and better color quality compared to traditional standard-definition TV.
-
E.
HV
HV is the IATA airline designator used by Transavia, a Dutch low-cost carrier operating scheduled and charter flights across Europe and surrounding regions.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
astronomer
ⓘ
astronomical catalogue abbreviation ⓘ standard astronomical designation system ⓘ stellar catalogue ⓘ |
| alternativeLabel |
Henry Draper star designation
ⓘ
linked to:
Henry Draper Catalogue
|
| catalogueType | spectral classification catalogue ⓘ |
| classificationSystem | spectral type classification ⓘ |
| contains | hundreds of thousands of stars ⓘ |
| dataIncludes |
identifier number
ⓘ
positional information ⓘ spectral type ⓘ |
| field | astronomy ⓘ |
| focusesOn | stars ⓘ |
| hasAbbreviation | HD ⓘ |
| identifierFor | individual stars ⓘ |
| language | English ⓘ |
| maintainedBy | Harvard College Observatory ⓘ |
| namedAfter | Henry Draper ⓘ |
| namingConvention | HD + number ⓘ |
| provides |
stellar identifiers
ⓘ
stellar spectral classifications ⓘ |
| refersTo | entries in the Henry Draper Catalogue ⓘ |
| scope | bright stars across the sky ⓘ |
| standardIn |
professional astronomical literature
ⓘ
stellar databases ⓘ |
| standsFor | Henry Draper Catalogue ⓘ |
| usedAsPrefixFor | star identifiers ⓘ |
| usedBy | astronomers ⓘ |
| usedIn |
stellar cataloguing
ⓘ
stellar classification ⓘ stellar classification ⓘ stellar spectroscopy ⓘ stellar spectroscopy ⓘ |
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: HD Description of subject: HD is the standard astronomical abbreviation for the Henry Draper Catalogue, a widely used star catalog that assigns spectral classifications and identifiers to hundreds of thousands of stars.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
HD
subject linked to:
HD Catalogue