About: HD 194012

An Entity of Type: star, from Named Graph: http://dbpedia.org, within Data Space: dbpedia.org

HD 194012 (HR 7793; Gliese 789) is a star in the equatorial constellation Delphinus. It has an apparent magnitude of 6.15, making it visible to the naked eye under ideal conditions. The star is relatively close at a distance of only 85 light years but is receding with a heliocentric radial velocity of 4.5 km/s. A 2010 paper has identified a candidate substellar companion 12.78″ away along a position angle of 67.9°. HD 194012 has been examined for infrared excess suggesting a debris disk but none was found.

Property Value
dbo:abstract
  • HD 194012 (HR 7793; Gliese 789) is a star in the equatorial constellation Delphinus. It has an apparent magnitude of 6.15, making it visible to the naked eye under ideal conditions. The star is relatively close at a distance of only 85 light years but is receding with a heliocentric radial velocity of 4.5 km/s. HD 194012 has a stellar classification of F7 V, indicating that it is an ordinary F-type main-sequence star. It has 121% the mass of the Sun and is estimated to be a billion years old, spinning with a projected rotational velocity of 5 km/s. The star's diameter is 118% that of the Sun and shines with a luminosity of 1.9 L☉ from its photosphere at an effective temperature of 6,301 K, giving a yellow white hue. HD 194012's metallicity is calculated to be 87% that of the Sun. A 2010 paper has identified a candidate substellar companion 12.78″ away along a position angle of 67.9°. HD 194012 has been examined for infrared excess suggesting a debris disk but none was found. (en)
  • HD 194012，又名BD+14 4275，SAO 106042、HR 7793，是一颗恒星，视星等为6.17，位于銀經56.82，銀緯-12.71，其B1900.0坐标为赤經20h 18m 12.4s，赤緯+14° -12.71′ 51″。 (zh)
dbo:wikiPageID
  • 71040894 (xsd:integer)
dbo:wikiPageLength
  • 9975 (xsd:nonNegativeInteger)
dbo:wikiPageRevisionID
  • 1121993947 (xsd:integer)
dbo:wikiPageWikiLink
dbp:absmagV
  • +4.06 (en)
dbp:ageGyr
  • 1.060000 (xsd:double)
dbp:appmagV
  • 6.150000 (xsd:double)
dbp:bV
  • +0.51 (en)
dbp:class
  • F7 V (en)
dbp:constell
dbp:epoch
  • J2000.0 (en)
dbp:gravity
  • 4.360000 (xsd:double)
dbp:luminosity
  • 1.900000 (xsd:double)
dbp:mass
  • 1.210000 (xsd:double)
dbp:metalFe
  • −0.06 (en)
dbp:pError
  • 0.023300 (xsd:double)
dbp:parallax
  • 38.400900 (xsd:double)
dbp:propMoDec
  • −7.143 (en)
dbp:propMoRa
  • +78.997 (en)
dbp:radialV
  • 4.500000 (xsd:double)
dbp:radius
  • 1.180000 (xsd:double)
dbp:rotationalVelocity
  • 5 (xsd:integer)
dbp:temperature
  • 6301 (xsd:integer)
dbp:uB
  • −0.07 (en)
dbp:wikiPageUsesTemplate
dct:subject
rdf:type
rdfs:comment
  • HD 194012，又名BD+14 4275，SAO 106042、HR 7793，是一颗恒星，视星等为6.17，位于銀經56.82，銀緯-12.71，其B1900.0坐标为赤經20h 18m 12.4s，赤緯+14° -12.71′ 51″。 (zh)
  • HD 194012 (HR 7793; Gliese 789) is a star in the equatorial constellation Delphinus. It has an apparent magnitude of 6.15, making it visible to the naked eye under ideal conditions. The star is relatively close at a distance of only 85 light years but is receding with a heliocentric radial velocity of 4.5 km/s. A 2010 paper has identified a candidate substellar companion 12.78″ away along a position angle of 67.9°. HD 194012 has been examined for infrared excess suggesting a debris disk but none was found. (en)
rdfs:label
  • HD 194012 (en)
  • HD 194012 (zh)
owl:sameAs
prov:wasDerivedFrom
foaf:isPrimaryTopicOf
foaf:name
  • HD194012 (en)
is dbo:wikiPageWikiLink of
is foaf:primaryTopic of
Powered by OpenLink Virtuoso    This material is Open Knowledge     W3C Semantic Web Technology     This material is Open Knowledge    Valid XHTML + RDFa
This content was extracted from Wikipedia and is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License