BAT99-7 (original) (raw)
BAT99-7 is a WN-type Wolf-Rayet star located in the Large Magellanic Cloud, in the constellation of Dorado, about 160,000 light years away. The star has a spectrum containing extremely broad emission lines, and is the prototype for the "round line" stars, Wolf-Rayet stars whose spectra are characterized by strong and broad emission lines with round line profiles. The broad emission lines hint at an extremely high temperature of nearly 160,000 Kelvin, which would make it the hottest of all WN stars with known temperatures, as well as an extraordinarily large mass loss rate for a Wolf-Rayet star in the LMC, at 10−4.48 M☉/yr, which means that every 30,200 years, the star loses 1 solar mass worth of mass.
| Property | Value |
|---|---|
| dbo:abstract | BAT99-7 is a WN-type Wolf-Rayet star located in the Large Magellanic Cloud, in the constellation of Dorado, about 160,000 light years away. The star has a spectrum containing extremely broad emission lines, and is the prototype for the "round line" stars, Wolf-Rayet stars whose spectra are characterized by strong and broad emission lines with round line profiles. The broad emission lines hint at an extremely high temperature of nearly 160,000 Kelvin, which would make it the hottest of all WN stars with known temperatures, as well as an extraordinarily large mass loss rate for a Wolf-Rayet star in the LMC, at 10−4.48 M☉/yr, which means that every 30,200 years, the star loses 1 solar mass worth of mass. (en) |
| dbo:wikiPageID | 70201270 (xsd:integer) |
| dbo:wikiPageLength | 3634 (xsd:nonNegativeInteger) |
| dbo:wikiPageRevisionID | 1096488921 (xsd:integer) |
| dbo:wikiPageWikiLink | dbc:Henry_Draper_Catalogue_objects dbr:Light_year dbr:2MASS dbc:2MASS_objects dbr:Emission_line dbr:Astronomical_spectroscopy dbc:Dorado_(constellation) dbc:Wolf–Rayet_stars dbr:Large_Magellanic_Cloud dbr:Dorado dbc:Stars_in_the_Large_Magellanic_Cloud dbr:Wolf-Rayet_star dbr:Wolf–Rayet_star |
| dbp:absmagV | −5.02 (en) |
| dbp:appmagV | 13.810000 (xsd:double) |
| dbp:bV | −0.35 (en) |
| dbp:class | WN4b (en) |
| dbp:constell | dbr:Dorado |
| dbp:distPc | 50000 (xsd:integer) |
| dbp:epoch | J2000 (en) |
| dbp:luminosity | 692000 (xsd:integer) |
| dbp:mass | 25 (xsd:integer) |
| dbp:propMoDec | 0.367000 (xsd:double) |
| dbp:propMoRa | 1.733000 (xsd:double) |
| dbp:radius | 1.100000 (xsd:double) |
| dbp:rotationalVelocity | 160 (xsd:integer) |
| dbp:temperature | 158500 (xsd:integer) |
| dbp:type | dbr:Wolf–Rayet_star |
| dbp:uB | −0.567 (en) |
| dbp:wikiPageUsesTemplate | dbt:Star-stub dbt:Reflist dbt:Short_description dbt:Solar_mass dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_observe dbt:Starbox_reference dbt:Val dbt:DEC dbt:RA dbt:Stars_of_Dorado |
| dct:subject | dbc:Henry_Draper_Catalogue_objects dbc:2MASS_objects dbc:Dorado_(constellation) dbc:Wolf–Rayet_stars dbc:Stars_in_the_Large_Magellanic_Cloud |
| rdf:type | owl:Thing dbo:Place dbo:Location schema:Place dbo:CelestialBody dbo:Star |
| rdfs:comment | BAT99-7 is a WN-type Wolf-Rayet star located in the Large Magellanic Cloud, in the constellation of Dorado, about 160,000 light years away. The star has a spectrum containing extremely broad emission lines, and is the prototype for the "round line" stars, Wolf-Rayet stars whose spectra are characterized by strong and broad emission lines with round line profiles. The broad emission lines hint at an extremely high temperature of nearly 160,000 Kelvin, which would make it the hottest of all WN stars with known temperatures, as well as an extraordinarily large mass loss rate for a Wolf-Rayet star in the LMC, at 10−4.48 M☉/yr, which means that every 30,200 years, the star loses 1 solar mass worth of mass. (en) |
| rdfs:label | BAT99-7 (en) |
| owl:sameAs | wikidata:BAT99-7 https://global.dbpedia.org/id/GcSYy |
| prov:wasDerivedFrom | wikipedia-en:BAT99-7?oldid=1096488921&ns=0 |
| foaf:isPrimaryTopicOf | wikipedia-en:BAT99-7 |
| foaf:name | BAT99-7 (en) |
| is foaf:primaryTopic of | wikipedia-en:BAT99-7 |