IC 4895
E459109
IC 4895 is a barred irregular dwarf galaxy in the Local Group, better known as NGC 6822 or Barnard's Galaxy, located in the constellation Sagittarius.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IC 4895 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4618620 — 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: IC 4895 Context triple: [NGC 6822, alsoKnownAs, IC 4895]
-
A.
IC 1613
IC 1613 is a dwarf irregular galaxy in the constellation Cetus and a member of the Local Group, notable for its low dust content and use in calibrating the cosmic distance scale.
-
B.
IC 2574
IC 2574 is a dwarf irregular galaxy in the constellation Ursa Major, notable for its active star formation and membership in the nearby M81 Group of galaxies.
-
C.
IC 10
IC 10 is a nearby irregular starburst galaxy notable for its intense star formation and membership in the Local Group.
-
D.
Caldwell 49
Caldwell 49 is a large, bright emission nebula and star-forming region in the constellation Monoceros, popularly known as the Rosette Nebula.
-
E.
Messier 45
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
- 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: IC 4895 Target entity description: IC 4895 is a barred irregular dwarf galaxy in the Local Group, better known as NGC 6822 or Barnard's Galaxy, located in the constellation Sagittarius.
-
A.
IC 1613
IC 1613 is a dwarf irregular galaxy in the constellation Cetus and a member of the Local Group, notable for its low dust content and use in calibrating the cosmic distance scale.
-
B.
IC 2574
IC 2574 is a dwarf irregular galaxy in the constellation Ursa Major, notable for its active star formation and membership in the nearby M81 Group of galaxies.
-
C.
IC 10
IC 10 is a nearby irregular starburst galaxy notable for its intense star formation and membership in the Local Group.
-
D.
Caldwell 49
Caldwell 49 is a large, bright emission nebula and star-forming region in the constellation Monoceros, popularly known as the Rosette Nebula.
-
E.
Messier 45
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
barred irregular galaxy
ⓘ
dwarf galaxy ⓘ galaxy in the Local Group ⓘ |
| catalog |
Index Catalogue
ⓘ
New General Catalogue ⓘ PGC 63616 ⓘ UGC 11268 ⓘ |
| contains |
H II regions
ⓘ
old stellar population ⓘ young star clusters ⓘ |
| discoveredBy | Edward Emerson Barnard ⓘ |
| discoveryYear | 1884 ⓘ |
| distanceFromEarth |
about 1.6 million light-years
ⓘ
about 500 kiloparsecs ⓘ |
| hasAbsoluteMagnitudeV | −15.2 ⓘ |
| hasAlternativeName |
Barnard's Galaxy
ⓘ
NGC 6822 ⓘ |
| hasAngularSize | 15.5 × 13.5 arcminutes ⓘ |
| hasApparentMagnitudeV | 8.8 ⓘ |
| hasCepheidVariables | yes ⓘ |
| hasDeclination | −14° 48′ 12″ ⓘ |
| hasDustContent | moderate dust content ⓘ |
| hasGalaxyBar | yes ⓘ |
| hasGalaxyColor | blue ⓘ |
| hasGalaxyType | barred irregular dwarf galaxy ⓘ |
| hasMetallicity | low metallicity galaxy ⓘ |
| hasNeutralHydrogenMass | about 1.3×10^8 solar masses ⓘ |
| hasOrientation | high inclination to line of sight ⓘ |
| hasRadialVelocity | −57 km/s ⓘ |
| hasRedshift | 0.000459 ⓘ |
| hasRightAscension | 19h 44m 57s ⓘ |
| hasStarFormationActivity | active star-forming galaxy ⓘ |
| hasStellarMass | about 10^8 solar masses ⓘ |
| hasSurfaceBrightness | low surface brightness ⓘ |
| isGasRich | yes ⓘ |
| isNearbyTo | Milky Way ⓘ |
| isTypeOf | Magellanic-type irregular galaxy ⓘ |
| isVisibleFrom | Southern Hemisphere ⓘ |
| locatedIn | constellation Sagittarius ⓘ |
| locatedInConstellation | Sagittarius ⓘ |
| memberOf | Local Group ⓘ |
| morphologicalType | IB(s)m ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| usedFor | distance scale calibration ⓘ |
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: IC 4895 Description of subject: IC 4895 is a barred irregular dwarf galaxy in the Local Group, better known as NGC 6822 or Barnard's Galaxy, located in the constellation Sagittarius.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.