About: HD 219828

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HD 219828 is a star with two exoplanetary companions in the constellation of Pegasus. With an apparent visual magnitude of 8.04, it is an eighth magnitude star that is too dim to be readily visible to the naked eye. The star is located at a distance of approximately 237 light years from the Sun based on parallax measurements, but is drifting closer with a radial velocity of −24 km/s.

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dbo:abstract
  • HD 219828 ist der Name eines von der Sonne ca. 70 Parsec (ca. 240 Lichtjahre) entfernten Sternes, der von einem Exoplaneten umkreist wird. Der im Sternbild Pegasus befindliche Stern ist ein Unterriese vom Spektraltyp G0 und ist mit seiner scheinbaren Helligkeit von 8,04 mag für das bloße Auge unsichtbar. Mit einer Oberflächentemperatur von ca. 5900 K ist der Stern der Sonne relativ ähnlich. (de)
  • HD 219828 is a star with two exoplanetary companions in the constellation of Pegasus. With an apparent visual magnitude of 8.04, it is an eighth magnitude star that is too dim to be readily visible to the naked eye. The star is located at a distance of approximately 237 light years from the Sun based on parallax measurements, but is drifting closer with a radial velocity of −24 km/s. The stellar classification of this star is G0IV, matching a subgiant star that is ending the hydrogen fusion in its core. It is a metal-rich star that has slightly evolved off the main sequence. HD 219828 is older than two billion years with a low level of chromospheric activity and is spinning with a projected rotational velocity of 2.9 km/s. It has 1.23 times the mass of the Sun with radius estimates ranging from 1.47 to 1.69 the Sun's girth. The star is radiating three times the luminosity of the Sun from its slightly enlarged photosphere at an effective temperature of 5,891 K. (en)
  • HD 219828は、ペガスス座の方角約256光年離れた位置にある、8等級の恒星である。黄色準巨星で、核での水素核融合は終わっているとみられる。 (ja)
  • HD 219828 é uma estrela de magnitude aparente 8,04 localizada na constelação de Pegasus. Em 2007, um planeta extrassolar foi descoberto ao redor dela. (pt)
  • HD 219828 — звезда, которая находится в созвездии Пегас на расстоянии около 265 световых лет от нас. Вокруг звезды обращается, как минимум, одна планета и коричневый карлик. (ru)
  • HD 219828 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Pegasus. Den har en skenbar magnitud av ca 8,04 och kräver åtminstone en stark handkikare eller ett mindre teleskop för att kunna observeras. Baserat på parallax enligt Gaia Data Release 2 på ca 13,6 mas, beräknas den befinna sig på ett avstånd på ca 239 ljusår (ca 73 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på -24 km/s. (sv)
  • HD 219828是一個位於飛馬座的視星等8等恆星，距離地球約265光年。該恆星是黃次巨星，代表核心內的氫核融合已經停止。 (zh)
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dbp:absmagV
  • 3.580000 (xsd:double)
dbp:appmagV
  • 8.040000 (xsd:double)
dbp:bV
  • 0.654000 (xsd:double)
dbp:class
  • G0IV (en)
dbp:constell
dbp:epoch
  • J2000.0 (en)
dbp:exoplanet
dbp:luminosity
  • 3.080000 (xsd:double)
dbp:pError
  • 0.027800 (xsd:double)
dbp:parallax
  • 13.787200 (xsd:double)
dbp:radius
  • 1.690000 (xsd:double)
dbp:rotationalVelocity
  • 2.900000 (xsd:double)
dbp:semimajor
  • 0.045000 (xsd:double)
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rdfs:comment
  • HD 219828 ist der Name eines von der Sonne ca. 70 Parsec (ca. 240 Lichtjahre) entfernten Sternes, der von einem Exoplaneten umkreist wird. Der im Sternbild Pegasus befindliche Stern ist ein Unterriese vom Spektraltyp G0 und ist mit seiner scheinbaren Helligkeit von 8,04 mag für das bloße Auge unsichtbar. Mit einer Oberflächentemperatur von ca. 5900 K ist der Stern der Sonne relativ ähnlich. (de)
  • HD 219828は、ペガスス座の方角約256光年離れた位置にある、8等級の恒星である。黄色準巨星で、核での水素核融合は終わっているとみられる。 (ja)
  • HD 219828 é uma estrela de magnitude aparente 8,04 localizada na constelação de Pegasus. Em 2007, um planeta extrassolar foi descoberto ao redor dela. (pt)
  • HD 219828 — звезда, которая находится в созвездии Пегас на расстоянии около 265 световых лет от нас. Вокруг звезды обращается, как минимум, одна планета и коричневый карлик. (ru)
  • HD 219828 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Pegasus. Den har en skenbar magnitud av ca 8,04 och kräver åtminstone en stark handkikare eller ett mindre teleskop för att kunna observeras. Baserat på parallax enligt Gaia Data Release 2 på ca 13,6 mas, beräknas den befinna sig på ett avstånd på ca 239 ljusår (ca 73 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på -24 km/s. (sv)
  • HD 219828是一個位於飛馬座的視星等8等恆星，距離地球約265光年。該恆星是黃次巨星，代表核心內的氫核融合已經停止。 (zh)
  • HD 219828 is a star with two exoplanetary companions in the constellation of Pegasus. With an apparent visual magnitude of 8.04, it is an eighth magnitude star that is too dim to be readily visible to the naked eye. The star is located at a distance of approximately 237 light years from the Sun based on parallax measurements, but is drifting closer with a radial velocity of −24 km/s. (en)
rdfs:label
  • HD 219828 (de)
  • HD 219828 (en)
  • HD 219828 (ja)
  • HD 219828 (pt)
  • HD 219828 (ru)
  • HD 219828 (sv)
  • HD 219828 (zh)
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