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V1400 Centauri: History & Events
V1400 Centauri, also known as 1SWASP J140747.93−394542.6 or simply J1407, is a young, 20-million-year-old pre-main-sequence star that underwent a series of extreme dimming events in April–June 2007. These dimming events, which never appeared again, were thought to have been caused by an eclipse of a disked object known as J1407b. The star is about as…
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V1400 Centauri topic overview
The analysis highlights History and Events as prominent areas in the source structure around V1400 Centauri.
Related topics
70
Source areas
4
Connected nodes
74
Extracted relationships
87
Concept neighborhoods
22
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.
Stellar properties · 42 topics
Name and catalogue history · 15 topics
Overview · 7 topics
2007 dimming events · 6 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)
12.2–15.6
Constellation
Centaurus
Declination
−39° 45′ 42.7671″
Evolutionary stage
Pre-main sequence
Right ascension
14h 07m 47.92976s
Spectral type
K5 IVe Li
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How V1400 Centauri 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 V1400 Centauri shows recurring relationship patterns in the source. For example, V1400 Centauri → All Sky Automated Survey, April, ASAS, Astronomers, December, During, Eric, J1407b, June, Mamajek, Mamajek's, Mark Pecaut, Pecaut, Planets, Rochester, Super Wide Angle Search, SuperWASP, The, University, V1400 Centauri's Another extracted example is V1400 Centauri → All Sky Automated Survey, As, ASAS, Catalogue, Eric Mamajek, Hubble Guide Star Catalog, International Astronomical Union's General, J1407, J140747, Mamajek's Object, Planets, Super Wide Angle Search, The, Two Micron All-Sky Survey, Typically, Variable Stars, Wide-field Infrared Survey Explorer, WISE. Use these groups to spot repeated connection types before inspecting the individual relationships.
V1400 Centauri
Top relations
related to 2007 dimming events· 20
V1400 Centauri → All Sky Automated Survey, April, ASAS, Astronomers, December, During, Eric, J1407b, June, Mamajek, Mamajek's, Mark Pecaut, Pecaut, Planets, Rochester, Super Wide Angle Search, SuperWASP, The, University, V1400 Centauri's
related to history· 18
V1400 Centauri → All Sky Automated Survey, As, ASAS, Catalogue, Eric Mamajek, Hubble Guide Star Catalog, International Astronomical Union's General, J1407, J140747, Mamajek's Object, Planets, Super Wide Angle Search, The, Two Micron All-Sky Survey, Typically, Variable Stars, Wide-field Infrared Survey Explorer, WISE
related to Spectral type and physical characteristics· 16
V1400 Centauri → An, Depending, Gaia, Gaia DR2, Gaia DR3, Gaia's, IV, K-type, K5 IVe Li, Lastly, Li, Measurements, Sun, The, V1400 Centauri's, Young
related to Location and age· 12
V1400 Centauri → Centaurus, Gaia, Given V1400 Centauri's, Lupus, OB, Observations, Scorpius, Sun, The, The Scorpius, Upper Centaurus, V1400 Centauri's
related to Rotation and variability· 11
V1400 Centauri → As V1400 Centauri, Because, Doppler, Earth's, Given V1400 Centauri's, Like, Spectroscopic, Tauri, The, V1400 Centauri's, X-rays
is a· 2
V1400 Centauri → member of Upper Centaurus, orange K-type star
Apparent magnitude (V)· 1
V1400 Centauri → 12.2–15.6
Constellation· 1
V1400 Centauri → Centaurus
Declination· 1
V1400 Centauri → −39° 45′ 42.7671″
Evolutionary stage· 1
V1400 Centauri → Pre-main sequence
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
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 87 structured relationships around V1400 Centauri. Examples in this analysis include V1400 Centauri → Apparent magnitude (V) → 12.2–15.6 and V1400 Centauri → Constellation → Centaurus. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
V1400 Centauri
Apparent magnitude (V)
12.2–15.6
1.00
infobox
V1400 Centauri
Constellation
Centaurus
1.00
infobox
V1400 Centauri
Declination
−39° 45′ 42.7671″
1.00
infobox
V1400 Centauri
Evolutionary stage
Pre-main sequence
1.00
infobox
V1400 Centauri
Right ascension
14h 07m 47.92976s
1.00
infobox
V1400 Centauri
Spectral type
K5 IVe Li
1.00
infobox
V1400 Centauri
Variable type
rotational T Tau and eclipsing
1.00
infobox
V1400 Centauri
is a
member of Upper Centaurus
0.90
text
V1400 Centauri
is a
orange K-type star
0.90
text
1SWASP J140747.93
instance of
the star is given designations
0.80
text
V1400 Centauri
related to 2007 dimming events
During
0.60
section
V1400 Centauri
related to 2007 dimming events
April
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods 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 V1400 Centauri bring nearby vocabulary together. In this analysis, examples include V1400, Centauri's and Centaurus. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
V1400 Centauri
V1400
Centauri's
Centaurus
Stars
Gaia
Measurements
Young
Star
Star's
Sun
Age
Also
v1400 centauri
V1400
Centauri's
Stars
Centaurus
Gaia
Measurements
Sun
Young
Star
Star's
Age
Dimming
pre-main-sequence star
Spectral
Survey
Distance
Events
Given
V1400
Dimming
Centauri's
Centaurus
Constellation
Temperature
Age
centaurus
Association
Scorpius
Lupus
Subgroup
Upper
Age
Distance
Constellation
Sun
Young
V1400
Centauri's
scorpius–centaurus association
Association
Scorpius
Centaurus
Lupus
Subgroup
Upper
Age
Distance
Constellation
Young
Sun
Stars
guide star catalog
Spectral
Survey
Distance
Events
Given
V1400
Dimming
Centauri's
Centaurus
Constellation
Temperature
Age
variable star designation
Spectral
Survey
Distance
Events
Given
V1400
Dimming
Centauri's
Centaurus
Constellation
Temperature
Age
2007 dimming events
Events
J140747
Known
Survey
Object
J1407b
Star
Constellation
Luminosity
Spectral
Stars
Mass
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 V1400 Centauri, one of the stronger structural bridges in this analysis connects V1400 Centauri with Stellar properties. 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.
V1400 Centauri
Nodes75
Edges74
Triples87
Avg. degree1.97
Density0.026667
Components1
Source & methodology
TTTA analyzes the structure around V1400 Centauri to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Events, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
