NGC 1435
E583973
NGC 1435 is a bright reflection nebula in the Pleiades star cluster, illuminated primarily by the star Merope in the constellation Taurus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 1435 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6287559 — 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: NGC 1435 Context triple: [Merope Nebula, catalogNumber, NGC 1435]
-
A.
NGC 1432
NGC 1432 is a reflection nebula in the constellation Taurus that is part of the Pleiades (Seven Sisters) star cluster.
-
B.
NGC 1499
NGC 1499, also known as the California Nebula, is a large emission nebula in the constellation Perseus notable for its shape resembling the U.S. state of California.
-
C.
NGC 4535
NGC 4535 is a large, face-on barred spiral galaxy notable for its well-defined spiral arms and location in the constellation Virgo.
-
D.
NGC 4654
NGC 4654 is a spiral galaxy in the constellation Virgo that is a member of the Virgo Cluster and is noted for its asymmetric structure likely caused by gravitational interactions and ram-pressure effects.
-
E.
NGC 4501
NGC 4501 is a large, nearly face-on spiral galaxy notable for its active star formation and interaction with the intracluster medium in the Virgo Cluster.
- 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: NGC 1435 Target entity description: NGC 1435 is a bright reflection nebula in the Pleiades star cluster, illuminated primarily by the star Merope in the constellation Taurus.
-
A.
NGC 1432
NGC 1432 is a reflection nebula in the constellation Taurus that is part of the Pleiades (Seven Sisters) star cluster.
-
B.
NGC 1499
NGC 1499, also known as the California Nebula, is a large emission nebula in the constellation Perseus notable for its shape resembling the U.S. state of California.
-
C.
NGC 4535
NGC 4535 is a large, face-on barred spiral galaxy notable for its well-defined spiral arms and location in the constellation Virgo.
-
D.
NGC 4654
NGC 4654 is a spiral galaxy in the constellation Virgo that is a member of the Virgo Cluster and is noted for its asymmetric structure likely caused by gravitational interactions and ram-pressure effects.
-
E.
NGC 4501
NGC 4501 is a large, nearly face-on spiral galaxy notable for its active star formation and interaction with the intracluster medium in the Virgo Cluster.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | reflection nebula ⓘ |
| alsoKnownAs | Merope Nebula ⓘ |
| angularSize | about 30 arcminutes ⓘ |
| apparentMagnitude | about 13 ⓘ |
| associatedWithStar | Merope ⓘ |
| bestSeenFromHemisphere | Northern Hemisphere ⓘ |
| bestViewingSeason | winter ⓘ |
| catalog | New General Catalogue ⓘ |
| contains | interstellar dust ⓘ |
| declination | +23° 47′ ⓘ |
| discoveredBy | Édouard Stephan ⓘ |
| discoveryYear | 1880 ⓘ |
| distanceFromEarth |
about 135 parsecs
ⓘ
about 440 light-years ⓘ |
| dominantEmissionMechanism | starlight reflection by dust ⓘ |
| hasNGCNumber | 1435 ⓘ |
| illuminatedBy | Merope ⓘ |
| locatedInConstellation | Taurus ⓘ |
| locatedInGalaxy | Milky Way ⓘ |
| locatedInRegion | local spiral arm ⓘ |
| memberOf |
Pleiades star cluster
ⓘ
linked to:
Pleiades
|
| nearTo | Merope ⓘ |
| observedUsing |
amateur telescopes
ⓘ
professional telescopes ⓘ |
| partOf |
NGC catalog of deep-sky objects
ⓘ
linked to:
New General Catalogue
Pleiades ⓘ |
| rightAscension | 03h 46m ⓘ |
| visibleIn | optical wavelengths ⓘ |
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: NGC 1435 Description of subject: NGC 1435 is a bright reflection nebula in the Pleiades star cluster, illuminated primarily by the star Merope in the constellation Taurus.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.