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- Stephenson_2 abstract "Stephenson 2 also known as RSGC2 is a young massive open cluster belonging to the Milky Way galaxy. It was discovered in 1990 in the data obtained by a deep infrared survey. The cluster is located in the constellation Scutum at the distance of about 6 kpc from the Sun. It is likely situated at the intersection of the northern end of the Long Bar of the Milky Way and the inner portion of the Scutum–Centaurus Arm—one of the two major spiral arms.26 red supergiants have been confirmed as members of the cluster, far more than any other known cluster. A more recent study has identified around 80 red supergiants in the line of sight of Stephenson 2, approximately 40 of them with radial velocities consistent with being cluster members. However these stars are spread over a wider area than a typical cluster, indicating an extended stellar association similar to that found around the nearby cluster RSGC3.The age of Stephenson 2 is estimated at 14–20 million years. The observed red supergiants with the mass of about 12–16 solar masses are type II supernova progenitors. The cluster is heavily obscured and have not been detected in the visible light. It lies close to other groupings of red super giants known as RSGC1, RSGC3 and Alicante 8. The mass of the open cluster is estimated at 30–50 thousand solar masses, which makes it the second most massive open cluster in the Galaxy.".
- Stephenson_2 wikiPageID "30385629".
- Stephenson_2 wikiPageLength "4607".
- Stephenson_2 wikiPageOutDegree "21".
- Stephenson_2 wikiPageRevisionID "699652700".
- Stephenson_2 wikiPageWikiLink Alicante_8.
- Stephenson_2 wikiPageWikiLink Category:Open_clusters.
- Stephenson_2 wikiPageWikiLink Category:Scutum_(constellation).
- Stephenson_2 wikiPageWikiLink Epoch_(astronomy).
- Stephenson_2 wikiPageWikiLink Light.
- Stephenson_2 wikiPageWikiLink Light-year.
- Stephenson_2 wikiPageWikiLink Milky_Way.
- Stephenson_2 wikiPageWikiLink Open_cluster.
- Stephenson_2 wikiPageWikiLink Parsec.
- Stephenson_2 wikiPageWikiLink RSGC1.
- Stephenson_2 wikiPageWikiLink RSGC3.
- Stephenson_2 wikiPageWikiLink Radial_velocity.
- Stephenson_2 wikiPageWikiLink Red_supergiant.
- Stephenson_2 wikiPageWikiLink Scutum.
- Stephenson_2 wikiPageWikiLink Scutum–Centaurus_Arm.
- Stephenson_2 wikiPageWikiLink Solar_mass.
- Stephenson_2 wikiPageWikiLink Stellar_kinematics.
- Stephenson_2 wikiPageWikiLink Type_II_supernova.
- Stephenson_2 wikiPageWikiLink Year.
- Stephenson_2 wikiPageWikiLinkText "RSGC2".
- Stephenson_2 wikiPageWikiLinkText "Stephenson 2".
- Stephenson_2 age "14".
- Stephenson_2 appmagV "not visible".
- Stephenson_2 class "Open".
- Stephenson_2 constellation Scutum.
- Stephenson_2 distLy "~20 kly".
- Stephenson_2 distPc "~6 kpc".
- Stephenson_2 epoch Epoch_(astronomy).
- Stephenson_2 massMsol "3".
- Stephenson_2 name "Stephenson 2".
- Stephenson_2 names "RSGC2".
- Stephenson_2 radiusLy "~4 pc".
- Stephenson_2 sizeV "1.8'".
- Stephenson_2 wikiPageUsesTemplate Template:Citation_needed.
- Stephenson_2 wikiPageUsesTemplate Template:DEC.
- Stephenson_2 wikiPageUsesTemplate Template:E-sp.
- Stephenson_2 wikiPageUsesTemplate Template:Infobox_open_cluster.
- Stephenson_2 wikiPageUsesTemplate Template:RA.
- Stephenson_2 wikiPageUsesTemplate Template:Reflist.
- Stephenson_2 wikiPageUsesTemplate Template:Star-cluster-stub.
- Stephenson_2 wikiPageUsesTemplate Template:Stellar_system.
- Stephenson_2 subject Category:Open_clusters.
- Stephenson_2 subject Category:Scutum_(constellation).
- Stephenson_2 hypernym Cluster.
- Stephenson_2 type Language.
- Stephenson_2 comment "Stephenson 2 also known as RSGC2 is a young massive open cluster belonging to the Milky Way galaxy. It was discovered in 1990 in the data obtained by a deep infrared survey. The cluster is located in the constellation Scutum at the distance of about 6 kpc from the Sun.".
- Stephenson_2 label "Stephenson 2".
- Stephenson_2 sameAs Q5178054.
- Stephenson_2 sameAs m.0g5qdvk.
- Stephenson_2 sameAs Q5178054.
- Stephenson_2 wasDerivedFrom Stephenson_2?oldid=699652700.
- Stephenson_2 isPrimaryTopicOf Stephenson_2.