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- Cygnus_OB2 abstract "Cygnus OB2 is an OB association that is home to some of the most massive and most luminous stars known, including suspected LBV Cyg OB2 #12. It also includes one of the largest known stars, NML Cygni. The region is embedded within a wider one of star formation known as Cygnus X, which is one of the most luminous objects in the sky at radio wavelengths. The region is approximately 1,400 parsecs from Earth in the constellation of Cygnus.The young cluster is one of the largest known and the largest in the northern hemisphere with some authors formerly classifying it as a young globular cluster similar to those in the Large Magellanic Cloud. Today, however, it is considered a massive, low-density stellar association.Although it is over ten times more massive than the Orion Nebula, which is easily seen with the naked eye, Cygnus OB2 is hidden behind a massive dust cloud known as the Cygnus Rift, which obscures many of the stars in it. This means that despite its large size, it is hard to determine its actual properties. The estimated number of massive stars range from 50 to 100 of spectral type O and its total mass having been calculated as (4-10)*104 or 3*104 solar masses according to other investigations.Despite this, recent surveys ranging from radio to X-ray wavelengths have observed the region to great depths to gain a better understanding of how the processes of star and planet formation occur on such a large scale. These studies include observations with the Chandra X-ray Observatory, Spitzer Space Telescope, the Herschel Space Observatory and the Gran Telescopio Canarias.Other noteworthy stars, not included in the Massey et al. paper include BD+40° 4210, a blue supergiant and luminous blue variable candidate, as well as the massive runaway star BD+43° 3654.".
- Cygnus_OB2 thumbnail CygOB2_med.jpg?width=300.
- Cygnus_OB2 wikiPageExternalLink cyg-ob2-12.html.
- Cygnus_OB2 wikiPageID "25340766".
- Cygnus_OB2 wikiPageLength "14075".
- Cygnus_OB2 wikiPageOutDegree "34".
- Cygnus_OB2 wikiPageRevisionID "704765635".
- Cygnus_OB2 wikiPageWikiLink BD+40°_4210.
- Cygnus_OB2 wikiPageWikiLink BD+43°_3654.
- Cygnus_OB2 wikiPageWikiLink Blue_supergiant.
- Cygnus_OB2 wikiPageWikiLink Category:Articles_containing_video_clips.
- Cygnus_OB2 wikiPageWikiLink Category:Cygnus_(constellation).
- Cygnus_OB2 wikiPageWikiLink Category:Stellar_associations.
- Cygnus_OB2 wikiPageWikiLink Chandra_X-ray_Observatory.
- Cygnus_OB2 wikiPageWikiLink Cygnus_(constellation).
- Cygnus_OB2 wikiPageWikiLink Cygnus_OB2-12.
- Cygnus_OB2 wikiPageWikiLink Cygnus_OB2-8A.
- Cygnus_OB2 wikiPageWikiLink Cygnus_X_(star_complex).
- Cygnus_OB2 wikiPageWikiLink Globular_cluster.
- Cygnus_OB2 wikiPageWikiLink Gran_Telescopio_Canarias.
- Cygnus_OB2 wikiPageWikiLink Great_Rift_(astronomy).
- Cygnus_OB2 wikiPageWikiLink Herschel_Space_Observatory.
- Cygnus_OB2 wikiPageWikiLink Large_Magellanic_Cloud.
- Cygnus_OB2 wikiPageWikiLink Light-year.
- Cygnus_OB2 wikiPageWikiLink List_of_largest_stars.
- Cygnus_OB2 wikiPageWikiLink List_of_most_luminous_stars.
- Cygnus_OB2 wikiPageWikiLink List_of_most_massive_stars.
- Cygnus_OB2 wikiPageWikiLink Luminous_blue_variable.
- Cygnus_OB2 wikiPageWikiLink NML_Cygni.
- Cygnus_OB2 wikiPageWikiLink O-type_star.
- Cygnus_OB2 wikiPageWikiLink Orion_Nebula.
- Cygnus_OB2 wikiPageWikiLink Solar_mass.
- Cygnus_OB2 wikiPageWikiLink Spitzer_Space_Telescope.
- Cygnus_OB2 wikiPageWikiLink Stellar_kinematics.
- Cygnus_OB2 wikiPageWikiLink The_INT_Photometric_H-Alpha_Survey.
- Cygnus_OB2 wikiPageWikiLink File:CygOB2_med.jpg.
- Cygnus_OB2 wikiPageWikiLink File:X-ray_Satellites_Monitor_the_Clashing_Winds_of_a_Colossal_Binary.ogv.
- Cygnus_OB2 wikiPageWikiLinkText "Cyg OB2 Association".
- Cygnus_OB2 wikiPageWikiLinkText "Cyg OB2".
- Cygnus_OB2 wikiPageWikiLinkText "Cyg OB2".
- Cygnus_OB2 wikiPageWikiLinkText "Cygnus OB2 #516".
- Cygnus_OB2 wikiPageWikiLinkText "Cygnus OB2 #771".
- Cygnus_OB2 wikiPageWikiLinkText "Cygnus OB2 association".
- Cygnus_OB2 wikiPageWikiLinkText "Cygnus OB2".
- Cygnus_OB2 wikiPageWikiLinkText "V729 Cyg A".
- Cygnus_OB2 age "1".
- Cygnus_OB2 appmagV "6.1".
- Cygnus_OB2 caption "Cygnus OB2 in the light of H-Alpha; 2.5° view".
- Cygnus_OB2 constellation Cygnus_(constellation).
- Cygnus_OB2 credit The_INT_Photometric_H-Alpha_Survey.
- Cygnus_OB2 distLy "4.7".
- Cygnus_OB2 distPc "1400".
- Cygnus_OB2 epoch "J2000.0".
- Cygnus_OB2 name "Cygnus OB2".
- Cygnus_OB2 notes "-".
- Cygnus_OB2 sizeV "60".
- Cygnus_OB2 wikiPageUsesTemplate Template:DEC.
- Cygnus_OB2 wikiPageUsesTemplate Template:Infobox_open_cluster.
- Cygnus_OB2 wikiPageUsesTemplate Template:RA.
- Cygnus_OB2 wikiPageUsesTemplate Template:Reflist.
- Cygnus_OB2 wikiPageUsesTemplate Template:Technical_reasons.
- Cygnus_OB2 subject Category:Articles_containing_video_clips.
- Cygnus_OB2 subject Category:Cygnus_(constellation).
- Cygnus_OB2 subject Category:Stellar_associations.
- Cygnus_OB2 hypernym Association.
- Cygnus_OB2 type Organisation.
- Cygnus_OB2 type Association.
- Cygnus_OB2 comment "Cygnus OB2 is an OB association that is home to some of the most massive and most luminous stars known, including suspected LBV Cyg OB2 #12. It also includes one of the largest known stars, NML Cygni. The region is embedded within a wider one of star formation known as Cygnus X, which is one of the most luminous objects in the sky at radio wavelengths.".
- Cygnus_OB2 label "Cygnus OB2".
- Cygnus_OB2 sameAs Q1085016.
- Cygnus_OB2 sameAs Cygnus_OB2.
- Cygnus_OB2 sameAs 백조자리_OB2.
- Cygnus_OB2 sameAs Cygnus_OB2.
- Cygnus_OB2 sameAs m.09g6hpy.
- Cygnus_OB2 sameAs Лебедь_OB2.
- Cygnus_OB2 sameAs Cygnus_OB2.
- Cygnus_OB2 sameAs Q1085016.
- Cygnus_OB2 sameAs 天鵝座OB2.
- Cygnus_OB2 wasDerivedFrom Cygnus_OB2?oldid=704765635.
- Cygnus_OB2 depiction CygOB2_med.jpg.
- Cygnus_OB2 isPrimaryTopicOf Cygnus_OB2.