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Stephenson 2

Stephenson 2, also known as RSGC2 (Red Supergiant Cluster 2), is a young massive open cluster belonging to the Milky Way galaxy. It was discovered in 1990 as a cluster of red supergiants in a photographic, deep infrared survey by the astronomer Charles Bruce Stephenson, after whom the cluster is named. It is located in the constellation Scutum at the…

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Apparent dimensions (V)
1.8'
Apparent magnitude (V)
not visible
Constellation
Scutum
Declination
−06° 01′ 44.4″
Distance
(5.83+1.91 −0.78 kpc)
Estimated age
14–20 My

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Observation history

Description

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Stephenson 2

Nodes28
Edges27
Triples25
Avg. degree1.93
Density0.071429
Components1

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Stephenson 2

Top relations

related to Stephenson 2 SW · 9
Stephenson 2 → Deguchi, DFK, Some, Stephenson, SW, The, This, Thus, While
related to Members · 3
Stephenson 2 → Stars, Stephenson, SW
Apparent dimensions (V) · 1
Stephenson 2 → 1.8'
Apparent magnitude (V) · 1
Stephenson 2 → not visible
Constellation · 1
Stephenson 2 → Scutum
Declination · 1
Stephenson 2 → −06° 01′ 44.4″
Distance · 1
Stephenson 2 → (5.83+1.91 −0.78 kpc)
Estimated age · 1
Stephenson 2 → 14–20 My
Mass · 1
Stephenson 2 → (3–5)×104 M☉
Other designations · 1
Stephenson 2 → RSGC2

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Important terminology

stephenson cluster distance supergiants stars red kiloparsecs light-years scutum members also study milky way estimated 000 radial dfk sw open

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Stephenson 2Apparent dimensions (V)1.8'1.00infobox
Stephenson 2Apparent magnitude (V)not visible1.00infobox
Stephenson 2ConstellationScutum1.00infobox
Stephenson 2Declination−06° 01′ 44.4″1.00infobox
Stephenson 2Distance(5.83+1.91 −0.78 kpc)1.00infobox
Stephenson 2Estimated age14–20 My1.00infobox
Stephenson 2Mass(3–5)×104 M☉1.00infobox
Stephenson 2Other designationsRSGC21.00infobox
Stephenson 2Radius~4 pc1.00infobox
Stephenson 2Right ascension18h 39m 21.12s1.00infobox
Stephenson 2 DFK 1instance ofThis includes stars0.80text
Stephenson 2 DFK 2instance ofThis includes stars0.80text

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