Alpha Canis Minoris
E577017
Alpha Canis Minoris is the brightest star in the constellation Canis Minor, commonly known as Procyon, and is one of the closest bright stars to Earth.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Procyon | 11 |
| α Canis Minoris | 2 |
| 10 Canis Minoris | 1 |
| Alpha Canis Minoris canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6174966 — 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: Alpha Canis Minoris Context triple: [Procyon, bayerDesignation, Alpha Canis Minoris]
-
A.
Alpha Monocerotis
Alpha Monocerotis is a relatively bright giant star located in the constellation Monoceros, visible to the naked eye under good conditions.
-
B.
Kappa Tucanae
Kappa Tucanae is a star system located in the southern constellation Tucana.
-
C.
Delta Canis Majoris
Delta Canis Majoris, also known as Wezen, is a bright F-type supergiant star in the constellation Canis Major that forms part of the prominent winter sky near Sirius.
-
D.
Gamma Monocerotis
Gamma Monocerotis is a relatively bright star in the constellation Monoceros, visible to the naked eye and used as a reference point within this faint region of the night sky.
-
E.
Eta Canis Majoris
Eta Canis Majoris, also known as Aludra, is a luminous blue supergiant star in the constellation Canis Major and one of its brightest members.
- 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: Alpha Canis Minoris Target entity description: Alpha Canis Minoris is the brightest star in the constellation Canis Minor, commonly known as Procyon, and is one of the closest bright stars to Earth.
-
A.
Alpha Monocerotis
Alpha Monocerotis is a relatively bright giant star located in the constellation Monoceros, visible to the naked eye under good conditions.
-
B.
Kappa Tucanae
Kappa Tucanae is a star system located in the southern constellation Tucana.
-
C.
Delta Canis Majoris
Delta Canis Majoris, also known as Wezen, is a bright F-type supergiant star in the constellation Canis Major that forms part of the prominent winter sky near Sirius.
-
D.
Gamma Monocerotis
Gamma Monocerotis is a relatively bright star in the constellation Monoceros, visible to the naked eye and used as a reference point within this faint region of the night sky.
-
E.
Eta Canis Majoris
Eta Canis Majoris, also known as Aludra, is a luminous blue supergiant star in the constellation Canis Major and one of its brightest members.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
binary star system
ⓘ
bright star ⓘ main-sequence star ⓘ proper star name ⓘ star system ⓘ white dwarf ⓘ |
| absoluteMagnitude |
2.66
ⓘ
2.66 ⓘ |
| alsoKnownAs |
Alpha CMi
ⓘ
linked to:
CMi
Gliese 280 ⓘ HD 61421 ⓘ HR 2943 ⓘ Procyon ⓘ
linked to:
Alpha Canis Minoris
Procyon A and B ⓘ α Canis Minoris ⓘ
linked to:
Alpha Canis Minoris
|
| apparentMagnitude |
0.34
ⓘ
0.34 ⓘ |
| bayerDesignation |
α Canis Minoris
ⓘ
linked to:
Alpha Canis Minoris
|
| belongsToAsterism | Winter Triangle ⓘ |
| catalogIdentifier |
HIP 37279
ⓘ
SAO 115756 ⓘ |
| colorIndexB−V | 0.42 ⓘ |
| constellation | Canis Minor ⓘ |
| declination | +05° 13′ 30″ ⓘ |
| distanceFromEarth |
about 11.46 light-years
ⓘ
about 3.51 parsecs ⓘ |
| effectiveTemperature |
about 6530 K
ⓘ
about 7740 K ⓘ |
| flamsteedDesignation |
10 Canis Minoris
ⓘ
linked to:
Alpha Canis Minoris
|
| hasComponent |
Procyon A
ⓘ
Procyon B ⓘ |
| isBrightestStarIn | Canis Minor ⓘ |
| isOneOfBrightestNearbyStars | true ⓘ |
| luminosity | about 6.9 times solar luminosity ⓘ |
| mass |
about 0.6 solar masses
ⓘ
about 1.5 solar masses ⓘ |
| orbitalPeriod | about 40.82 years ⓘ |
| parallax | about 285.93 milliarcseconds ⓘ |
| properMotionInDec | −1036.8 mas/yr ⓘ |
| properMotionInRA | −714.6 mas/yr ⓘ |
| radialVelocity | −3.2 km/s ⓘ |
| radius | about 2.0 solar radii ⓘ |
| rankByBrightness | eighth-brightest star in the night sky ⓘ |
| rightAscension | 07h 39m 18.1s ⓘ |
| semiMajorAxis | about 15.0 AU ⓘ |
| spectralType |
DQZ
ⓘ
F5 IV–V ⓘ |
| traditionalNameMeaning | before the dog ⓘ |
| traditionalNameOrigin | Greek ⓘ |
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: Alpha Canis Minoris Description of subject: Alpha Canis Minoris is the brightest star in the constellation Canis Minor, commonly known as Procyon, and is one of the closest bright stars to Earth.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Canis Minor
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris
linked to: Alpha Canis Minoris