About: V1331 Cygni

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V1331 Cygni (also known as V1331 Cyg) is a young star in the constellation Cygnus. V1331 Cyg is located in the dark nebula LDN 981. V1331 Cygni is most noted for having an arc-like reflection nebula surrounding it. This circumstellar disc is a great birthplace for young stars, which form in the cloud. V1331 Cygni is heavily obscured by dust, so the properties of the central star are hard to deduce; however, it is estimated to have a radius five times that of the Sun and a mass of 2.8 M☉.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	V1331 Cygni (de) V1331 Cygni (fr) V1331 Cygni (en)
rdfs:comment	V1331 Cygni ist ein variabler Stern im Sternbild Schwan. Der Stern wird von einem mit etwa 30 Bogensekunden Durchmesser umgeben und, wie Aufnahmen des Hubble-Weltraumteleskops zeigen, einem engeren mit 13 Bogensekunden; er befindet sich an der Spitze der Dunkelwolke LDN 981.Der Stern ist in knapp 2000 Lichtjahren Entfernung ist noch sehr jung und befindet sich noch nicht auf der Hauptreihe. (de) V1331 Cygni est une étoile variable située dans la constellation du Cygne. Il s'agit d'une jeune étoile en cours de formation éjectant une partie de sa matière. (fr) V1331 Cygni (also known as V1331 Cyg) is a young star in the constellation Cygnus. V1331 Cyg is located in the dark nebula LDN 981. V1331 Cygni is most noted for having an arc-like reflection nebula surrounding it. This circumstellar disc is a great birthplace for young stars, which form in the cloud. V1331 Cygni is heavily obscured by dust, so the properties of the central star are hard to deduce; however, it is estimated to have a radius five times that of the Sun and a mass of 2.8 M☉. (en)
foaf:name	V1331 Cygni (en)
foaf:depiction
dct:subject	Cygnus (constellation) Objects with variable star designations Variable stars T Tauri stars
Wikipage page ID	60727719 (xsd:integer)
Wikipage revision ID	1062225677 (xsd:integer)
Link from a Wikipage to another Wikipage	Hubble Space Telescope Cygnus (constellation) Objects with variable star designations Mount Lemmon Observatory T Tauri star Variable stars 2MASS Cygnus (constellation) Dark nebula T Tauri stars Young stellar object Circumstellar disc Magnitude (astronomy) FU Orionis star Photometric system General Catalog of Variable Stars Guide Star Catalogue
sameAs	V1331 Cygni V1331 Cygni V1331 Cygni V1331 Cygni V1331 Cygni
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Short_description dbt:Sky dbt:Solar_mass dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_image dbt:Starbox_observe dbt:Starbox_reference dbt:DEC dbt:RA dbt:Variable-star-stub dbt:Cygnus_(constellation)
thumbnail	wiki-commons:Special:FilePath/A_young_star_takes_centre_stage.jpg?width=300
appmag v	11.990000 (xsd:double)
constell	Cygnus (constellation)
epoch	J2000 (en)
mass	2.800000 (xsd:double)
p error	0.023700 (xsd:double)
parallax	1.676000 (xsd:double)
prop mo dec	−3.783 (en)
prop mo ra	0.980000 (xsd:double)
radius	5 (xsd:integer)
temperature	5200 (xsd:integer)
has abstract	V1331 Cygni ist ein variabler Stern im Sternbild Schwan. Der Stern wird von einem mit etwa 30 Bogensekunden Durchmesser umgeben und, wie Aufnahmen des Hubble-Weltraumteleskops zeigen, einem engeren mit 13 Bogensekunden; er befindet sich an der Spitze der Dunkelwolke LDN 981.Der Stern ist in knapp 2000 Lichtjahren Entfernung ist noch sehr jung und befindet sich noch nicht auf der Hauptreihe. (de) V1331 Cygni est une étoile variable située dans la constellation du Cygne. Il s'agit d'une jeune étoile en cours de formation éjectant une partie de sa matière. (fr) V1331 Cygni (also known as V1331 Cyg) is a young star in the constellation Cygnus. V1331 Cyg is located in the dark nebula LDN 981. V1331 Cygni is most noted for having an arc-like reflection nebula surrounding it. This circumstellar disc is a great birthplace for young stars, which form in the cloud. V1331 Cygni is heavily obscured by dust, so the properties of the central star are hard to deduce; however, it is estimated to have a radius five times that of the Sun and a mass of 2.8 M☉. The General Catalog of Variable Stars classifies V1331 Cygni as an "INST" type variable, meaning a T Tauri star which shows rapid light variations. Its visual band brightness varies from magnitude 13.08 to 10.58. It is sometimes classified as a pre-FUOR star. A semi-regular period of ~449 days has been reported. Unlike many T Tauri stars, the mean brightness of V1331 Cygni remains nearly constant over long time periods. (en)
prov:wasDerivedFrom	wikipedia-en:V1331_Cygni?oldid=1062225677&ns=0
page length (characters) of wiki page	5559 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:V1331_Cygni
is Link from a Wikipage to another Wikipage of	Astronomical naming conventions V1331 Cyg
is Wikipage redirect of	V1331 Cyg
is foaf:primaryTopic of	wikipedia-en:V1331_Cygni

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