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Phi Leonis: Measurement & Overview

Phi Leonis (φ Leo) is a single star in the equatorial-northern constellation Leo, located in the southern celestial hemisphere. It is bright enough to be seen with the naked eye, having an apparent visual magnitude of 4.46. Based upon parallax measurements, the distance to Phi Leo is around 184 light years.

Language: English [EN]
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Phi Leonis topic overview

The analysis highlights Measurement and Overview as prominent areas in the source structure around Phi Leonis.

Related topics
22
Source areas
1
Connected nodes
23
Extracted relationships
8
Concept neighborhoods
20
Bridge connections
23

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.

Overview · 22 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)
4.46
B−V color index
+0.22
Constellation
Leo
Declination
−03° 39′ 05.7770″
Evolutionary stage
main sequence
Right ascension
11h 16m 39.69960s

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Phi Leonis connects Entity context

The extracted context around Phi Leonis shows recurring relationship patterns in the source. For example, Phi Leonis → 4.46 Another extracted example is Phi Leonis → +0.22. Use these groups to spot repeated connection types before inspecting the individual relationships.

Phi Leonis

Top relations

Apparent magnitude (V) · 1
Phi Leonis → 4.46
B−V color index · 1
Phi Leonis → +0.22
Constellation · 1
Phi Leonis → Leo
Declination · 1
Phi Leonis → −03° 39′ 05.7770″
Evolutionary stage · 1
Phi Leonis → main sequence
Right ascension · 1
Phi Leonis → 11h 16m 39.69960s
Spectral type · 1
Phi Leonis → A7 IVn
U−B color index · 1
Phi Leonis → +0.10

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

star phi around leonis leo disk equator parallax enough suggests star's close circumstellar constellation distance radius apparent magnitude main sequence

Phi Leonis relationships Subject–Predicate–Object triples

TTTA extracted 8 structured relationships around Phi Leonis. Examples in this analysis include Phi Leonis → Apparent magnitude (V) → 4.46 and Phi Leonis → B−V color index → +0.22. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Phi LeonisApparent magnitude (V)4.461.00infobox
Phi LeonisB−V color index+0.221.00infobox
Phi LeonisConstellationLeo1.00infobox
Phi LeonisDeclination−03° 39′ 05.7770″1.00infobox
Phi LeonisEvolutionary stagemain sequence1.00infobox
Phi LeonisRight ascension11h 16m 39.69960s1.00infobox
Phi LeonisSpectral typeA7 IVn1.00infobox
Phi LeonisU−B color index+0.101.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Phi Leonis bring nearby vocabulary together. In this analysis, examples include Around, Phi and Star. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Phi Leonis
    • Around
    • Phi
    • Star
    • Disk
    • Leo
    • Celestial
    • Equatorial-northern
    • Hemisphere
    • Located
    • Single
    • Southern
    • Variability
  • phi leonis
    • Around
    • Phi
    • Constellation
    • Star
    • Disk
    • Leo
    • Celestial
    • Equatorial-northern
    • Hemisphere
    • Located
    • Single
    • Southern
  • leo
    • Constellation
    • Distance
    • Parallax
    • Leonis
    • Phi
    • Celestial
    • Equatorial-northern
    • Hemisphere
    • Located
    • Single
    • Southern
    • Apparent
  • constellation
    • Leo
    • Celestial
    • Equatorial-northern
    • Hemisphere
    • Leonis
    • Located
    • Single
    • Southern
    • Apparent
    • Distance
    • Magnitude
    • Main
  • apparent visual magnitude
    • Bright
    • Eye
    • Magnitude
    • Naked
    • Seen
    • Apparent
    • Enough
    • Visual
    • Constellation
    • Distance
    • Main
    • Parallax
  • projected rotational velocity
    • Rotational
    • Velocity
    • Apparent
    • Close
    • Constellation
    • Distance
    • Equator
    • Magnitude
    • Main
    • Parallax
    • Radius
    • Sequence
  • star
    • Suggests
    • Disk
    • A-type
    • Evolving
    • Refractory
    • Sublimate
    • Variability
    • Circumstellar
    • Close
    • Equator
    • Main
    • Radius
  • subgiant star
    • Suggests
    • Disk
    • A-type
    • Evolving
    • Refractory
    • Sublimate
    • Variability
    • Circumstellar
    • Close
    • Equator
    • Main
    • Radius

Connections between topic areas Semantic bridges

Bridges highlight paths between different parts of the Phi Leonis map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Map overview Semantic statistics

Phi Leonis

Nodes24
Edges23
Triples8
Avg. degree1.92
Density0.083333
Components1

Source & methodology

TTTA analyzes the structure around Phi Leonis to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Phi Leonis · EN edition · Analysis: TopicsToTalkAbout

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