Star
Achernar
Achernar is a hot blue main-sequence star and the brightest star in the constellation Eridanus.
- Type
- Star
- Domain
- Scientific connections
- Connections
- 1
NASA/Johnson · NASA media (public domain)
- Type: Star
- Domain: Scientific connections
Experience system V6
Stellar observatory profile
A star reading built around classification, catalog identity, observational context, and connected systems.
- 01
Observe
NASA imagery anchors the visual reading with licensed source metadata.
- 02
Measure
Measurement panels use graph coverage, catalog identifiers, and source availability without inventing values.
- 03
Locate
Belongs to Eridanus.
- 04
Connect
1 graph relation shape the knowledge viewport.
- Object type
- Star
- Graph relations
- 1
- Verified sources
- 2
- Image records
- 1
- Domain
- Scientific connections
- Status
- Graph entity
Scientific map
Atlas context
- Belongs to
Eridanus
Original SVG diagram
Stellar structure
- Classification
- Star
- Catalog numbers
- Not recorded
- Graph relations
- 1
- Evidence sources
- 2
Visual knowledge graph
Relationships, not isolated facts
This viewport is generated from the Asteria knowledge graph. Science, culture, and interpretive links remain separated by domain so visual context never changes the evidentiary meaning of a relation.
- Belongs toEridanus
Image provenance
Photography as evidence
Continue the atlas
Curated next objects
Eridanus
Eridanus is a long southern constellation representing a celestial river, terminating at the bright star Achernar.
star1 Eridani
Main-sequence star in Eridanus, about 46.4 light-years from Earth.
star10 Eridani
Main-sequence star in Eridanus, about 136 light-years from Earth.
star11 Eridani
Main-sequence star in Eridanus, about 88.6 light-years from Earth.
star15 Eridani
Red giant in Eridanus, about 255 light-years from Earth.
star16 Eridani
Red giant in Eridanus, about 305 light-years from Earth.
Observation
How this was captured
- Source
- NASA
- Observation date
- 2014-07-15
Data
Scientific data & provenance
Data & provenance
- Stable ID
star:achernar- Type
- Star
- Domain
- Scientific connections
- Relationships
- 1
- Graph version
- 1.0.0
Dataset membership
Open data
In the graph export: graph.json · graph.jsonld
Planned API: GET /api/v0/entities/star:achernar
Scientific quality
Partial3 of 6 applicable dimensions complete, 1 partial
- Description
- Complete
- Source coverage
- Complete
- Relationship coverage
- Partial
- Review coverage
- None
- Citation coverage
- None
- Image coverage
- Complete
- Timeline coverage
- Not applicable
Scientific entity. Dimensions that cannot apply to this object are excluded rather than counted as gaps. See the evidence framework and authority dashboard.
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Sources & references
The primary and reference sources this topic draws on.
- IAUInternational Astronomical Union
Official naming, definitions, constellation boundaries, and astronomical nomenclature.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

