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Gliese 581: Characters, History & Art
Gliese 581 (/ˈɡliːzə/) is a red dwarf star of spectral type M3V which hosts a planetary system, 20.5 light-years (6.3 parsecs) away from Earth in the constellation Libra. Its estimated mass is about a third of that of the Sun, and it is the 101st closest known star system to the Sun. Gliese 581 is one of the oldest, least active M dwarfs known. Its low…
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Gliese 581 topic overview
The analysis highlights Characters, History and Art as prominent areas in the source structure around Gliese 581.
Related topics
70
Source areas
4
Connected nodes
74
Extracted relationships
70
Related term clusters
27
Bridge connections
74
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Planetary system · 25 topics
Characteristics · 22 topics
Overview · 21 topics
History of observations · 2 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Apparent magnitude (V)
10.56 to 10.58[note 1]
B−V color index
1.61
Constellation
Libra
Declination
−07° 43′ 20.1895″
Evolutionary stage
Main sequence
Right ascension
15h 19m 26.82694s
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Advanced semantic analysis
How Gliese 581 connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Gliese 581 shows recurring relationship patterns in the source. For example, Gliese 581 → April, August, BD, Bonner Durchmusterung, Detected, Earth, Earths, Eduard Schönfeld's Southern Durchmusterung, ESO/HARPS, France, Geneva, Gliese, Grenoble University, HARPS, Mars, Observatory, SD, Sun, Switzerland Another extracted example is Gliese 581 → An M-class, BD, Beta Librae, Earth, Gliese, Gliese Catalogue, Goldilocks Zone, HO Librae, Libra, M3V, Nearby Stars, Procyon, Sirius, Sun, Sun's, Wien's. Use these groups to spot repeated connection types before inspecting the individual relationships.
Gliese 581
Top relations
related to history· 19
Gliese 581 → April, August, BD, Bonner Durchmusterung, Detected, Earth, Earths, Eduard Schönfeld's Southern Durchmusterung, ESO/HARPS, France, Geneva, Gliese, Grenoble University, HARPS, Mars, Observatory, SD, Sun, Switzerland
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 70 structured relationships around Gliese 581. Examples in this analysis include Gliese 581 → Apparent magnitude (V) → 10.56 to 10.58[note 1] and Gliese 581 → B−V color index → 1.61. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Gliese 581
Apparent magnitude (V)
10.56 to 10.58[note 1]
1.00
infobox
Gliese 581
B−V color index
1.61
1.00
infobox
Gliese 581
Constellation
Libra
1.00
infobox
Gliese 581
Declination
−07° 43′ 20.1895″
1.00
infobox
Gliese 581
Evolutionary stage
Main sequence
1.00
infobox
Gliese 581
Right ascension
15h 19m 26.82694s
1.00
infobox
Gliese 581
Spectral type
M3V
1.00
infobox
Gliese 581
Variable type
BY Dra[note 2]
1.00
infobox
Gliese 581
is a
very old star
0.90
text
Sirius or Procyon
instance of
It does not have an individual name
0.80
text
Gliese 581 has a much lower mass than the Sun
instance of
to the Sun.An M-class dwarf star
0.80
text
causing the core region of the star to fuse hydrogen at a significantly lower rate
instance of
to the Sun.An M-class dwarf star
0.80
text
No triples extracted yet.
Related concept clusters Related term clusters
Related term clusters group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Gliese 581 bring nearby vocabulary together. In this analysis, examples include Planet, 581c and 581d. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
planetary migration
581c
System
Distance
Orbits
Would
581d
Planet
Radial
Red
Velocity
Data
Zone
planetary system
581c
System
Velocity
Distance
Orbits
Would
581d
Planet
Radial
Red
Data
Zone
gliese 581c
Planet
581c
Gliese
Planetary
581d
Star
Distance
Planets
Using
Known
Orbit
System
Gliese 581
Planet
581c
581d
Planetary
Star
Planets
Using
Known
Orbit
System
Discovery
Dwarf
gliese 581
Planet
581c
581d
Planetary
Star
Planets
Using
Known
Orbit
System
Discovery
Dwarf
gliese catalogue of nearby stars
Planet
581c
581d
Planetary
Star
Planets
Using
Known
Orbit
System
Discovery
Dwarf
star system
Sun
Planet
Velocity
Known
Mass
System
Estimated
Would
Zone
Habitable
Orbital
Discovered
terrestrial planets
Three
Orbits
581d
Radial
Red
System
Velocity
Using
581c
Habitable
Least
Discovery
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Gliese 581, one of the stronger structural bridges in this analysis connects Gliese 581 with Planetary system. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Gliese 581
Nodes75
Edges74
Triples70
Avg. degree1.97
Density0.026667
Components1
Source & methodology
TTTA analyzes the structure around Gliese 581 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, History & Art, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
