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S Persei

S Persei is a red supergiant or hypergiant located near the Double Cluster in Perseus, north of the open cluster NGC 869. It is a member of the Perseus OB1 association and is one of the largest known stars. If placed in the Solar System, its photosphere would engulf the orbit of Jupiter. It is also a semiregular variable, a star whose variations are less…

Geography, Location & Variability

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Apparent magnitude (V)
7.9 - 12.0
B−V color index
+2.65
Constellation
Perseus
Declination
+58° 31′ 11.4476″
Right ascension
02h 22m 51.70928s
Spectral type
M3 Iae–M7

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Overview

Discovery

Variability

Properties

Location

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Map overview Semantic statistics

S Persei

Nodes36
Edges35
Triples42
Avg. degree1.94
Density0.055556
Components1

How this topic connects Entity context

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S Persei

Top relations

related to Location · 11
S Persei → A0, Double Cluster, For, Gaia Data Release, It, Per OB1, Persei, Perseus Arm, The, There, This
related to Properties · 8
S Persei → DUSTY, Its, Many, Modelled, Older, Persei, The, This
related to Variability · 8
S Persei → General Catalogue, It, Other, Persei, SRc, There, Variable Stars, While
related to Discovery · 6
S Persei → Adalbert Krueger, BD, German, HD, It, Persei
is a · 2
S Persei → double star, red supergiant or hypergiant located near the Double Cluster in Perseus
Apparent magnitude (V) · 1
S Persei → 7.9 - 12.0
B−V color index · 1
S Persei → +2.65
Constellation · 1
S Persei → Perseus
Declination · 1
S Persei → +58° 31′ 11.4476″
Right ascension · 1
S Persei → 02h 22m 51.70928s

Important terminology Word statistics

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Important terminology

persei perseus also variable supergiant double red one stars hypergiant radius magnitude spectral type cluster largest star magnitudes parallax mass

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
S PerseiApparent magnitude (V)7.9 - 12.01.00infobox
S PerseiB−V color index+2.651.00infobox
S PerseiConstellationPerseus1.00infobox
S PerseiDeclination+58° 31′ 11.4476″1.00infobox
S PerseiRight ascension02h 22m 51.70928s1.00infobox
S PerseiSpectral typeM3 Iae–M71.00infobox
S PerseiVariable typeSRc1.00infobox
S Perseiis ared supergiant or hypergiant located near the Double Cluster in Perseus0.90text
S Perseiis adouble star0.90text
S Perseirelated to DiscoveryPersei0.60section
S Perseirelated to DiscoveryGerman0.60section
S Perseirelated to DiscoveryAdalbert Krueger0.60section

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