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HD 41004 är en visuell dubbelstjärna beläg … HD 41004 är en visuell dubbelstjärna belägen i den mellersta delen av stjärnbilden Målaren. Den har en kombinerad skenbar magnitud av ca 8,65 och kräver åtminstone en handkikare eller ett mindre teleskop för att kunna observeras. Baserat på parallax enligt Gaia Data Release 2 på ca 24,0 mas, beräknas den befinna sig på ett avstånd på ca 136 ljusår (ca 42 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 43 km/s.liocentrisk radialhastighet på ca 43 km/s.
, HD 41004는 화가자리에 있는 항성계로, 지구에서 139광년 떨어져 있다.
, HD 41004 es una estrella binaria de magnitud aparente +8,65 situada en la constelación de Pictor.Se conoce la existencia de una enana marrón y de un planeta extrasolar en este sistema estelar.
, HD 41004 is a visual binary star system in … HD 41004 is a visual binary star system in the southern constellation of Pictor. It is too faint to be visible to the naked eye, having a combined apparent visual magnitude of 8.65. The two components have a magnitude difference of 3.7, and share a common proper motion with an angular separation of 0.30″, as of 2018. The distance to this system is approximately 136 light years based on parallax. It is drifting further away from the Sun with a radial velocity of +42.5 km/s, having come to within 44.5 ly some 831,000 years ago. The primary, component A, is a K-type main-sequence star with a stellar classification of K1V and a visual magnitude of 8.82. Torres et al. (2006) classed it as a K1IV star, suggesting it is a subgiant star that is evolving off the main sequence. It has 89% of the mass of the Sun and 104% of the Sun's radius. The star is radiating 63% of the Sun's luminosity from its photosphere at an effective temperature of 5,255 K. Its smaller companion, designated component B, is a red dwarf with spectral type M2V and apparent magnitude 12.33. It has a projected separation of 23 AU from the primary.cted separation of 23 AU from the primary.
, HD 41004 A ist ein 138,68 Lichtjahre entfe … HD 41004 A ist ein 138,68 Lichtjahre entfernter später Hauptreihenstern mit einer Rektaszension von 05h 59m 49s und einer Deklination von −48° 14' 22". Er besitzt eine scheinbare Helligkeit von 8,65 mag. Im Jahre 2004 entdeckte einen extrasolaren Planeten, der diesen Stern umkreist. Dieser trägt den Namen HD 41004 A b. Weiterhin befindet sich in diesem System auch ein zweiter Stern, ein Roter Zwerg mit dem Namen HD 41004 B, der HD 41004 A umkreist. Dies macht dieses System zu einem Doppelstern. macht dieses System zu einem Doppelstern.
, HD 41004 – gwiazda w gwiazdozbiorze Malarza, oddalona od Słońca o około 136 lat świetlnych. Jest to gwiazda podwójna; jednemu z jej składników towarzyszy planeta, a drugiemu brązowy karzeł.
, HD 41004 é uma estrela binária na constela … HD 41004 é uma estrela binária na constelação de Pictor. Com base em medições de paralaxe, está localizada a aproximadamente 136 anos-luz (41,6 parsecs) da Terra. O componente primário do sistema, HD 41004 A, correspondente a 97% da luz total vinda dele, com uma magnitude aparente de 8,65, é uma estrela de classe K com um tipo espectral de K1 V ou K1 IV, podendo ser uma estrela da sequência principal ou uma subgigante. Possui uma massa equivalente a 70% da massa solar e uma temperatura efetiva de 5 010 K. O componente secundário, HD 41004 B, é uma anã vermelha com um tipo espectral de M2 V e magnitude aparente de 12,33. Sua massa é estimada em 40% da massa solar. As duas estrelas estão separadas no céu por meio segundo de arco, o que corresponde a uma separação projetada de 21 UA e um período orbital de pelo menos 90 anos. O sistema possui dois objetos sub-estelares conhecidos. Em 2002, foi publicada a descoberta de uma anã marrom orbitando HD 41004 B, e em 2004 foi publicada a descoberta de um planeta orbitando HD 41004 A. Ambos foram descobertos pelo método da velocidade radial com base em observações feitas pelo espectrógrafo CORALIE, localizado no Observatório La Silla, Chile. A anã marrom, cuja massa mínima é de 18,37 vezes a massa de Júpiter, orbita a anã vermelha a uma distância média de apenas 0,017 UA com um período orbital de 1,33 dias. O planeta é um gigante gasoso com 2,54 vezes a massa de Júpiter e orbita a estrela de classe K a uma distância média de 1,70 UA com um período de 963 dias.dia de 1,70 UA com um período de 963 dias.
, HD 41004是一个距离地球大约139光年的恒星系统，位于绘架座中。
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HD 41004 A ist ein 138,68 Lichtjahre entfe … HD 41004 A ist ein 138,68 Lichtjahre entfernter später Hauptreihenstern mit einer Rektaszension von 05h 59m 49s und einer Deklination von −48° 14' 22". Er besitzt eine scheinbare Helligkeit von 8,65 mag. Im Jahre 2004 entdeckte einen extrasolaren Planeten, der diesen Stern umkreist. Dieser trägt den Namen HD 41004 A b. Weiterhin befindet sich in diesem System auch ein zweiter Stern, ein Roter Zwerg mit dem Namen HD 41004 B, der HD 41004 A umkreist. Dies macht dieses System zu einem Doppelstern. macht dieses System zu einem Doppelstern.
, HD 41004是一个距离地球大约139光年的恒星系统，位于绘架座中。
, HD 41004 es una estrella binaria de magnitud aparente +8,65 situada en la constelación de Pictor.Se conoce la existencia de una enana marrón y de un planeta extrasolar en este sistema estelar.
, HD 41004는 화가자리에 있는 항성계로, 지구에서 139광년 떨어져 있다.
, HD 41004 is a visual binary star system in … HD 41004 is a visual binary star system in the southern constellation of Pictor. It is too faint to be visible to the naked eye, having a combined apparent visual magnitude of 8.65. The two components have a magnitude difference of 3.7, and share a common proper motion with an angular separation of 0.30″, as of 2018. The distance to this system is approximately 136 light years based on parallax. It is drifting further away from the Sun with a radial velocity of +42.5 km/s, having come to within 44.5 ly some 831,000 years ago. to within 44.5 ly some 831,000 years ago.
, HD 41004 – gwiazda w gwiazdozbiorze Malarza, oddalona od Słońca o około 136 lat świetlnych. Jest to gwiazda podwójna; jednemu z jej składników towarzyszy planeta, a drugiemu brązowy karzeł.
, HD 41004 é uma estrela binária na constela … HD 41004 é uma estrela binária na constelação de Pictor. Com base em medições de paralaxe, está localizada a aproximadamente 136 anos-luz (41,6 parsecs) da Terra. O componente primário do sistema, HD 41004 A, correspondente a 97% da luz total vinda dele, com uma magnitude aparente de 8,65, é uma estrela de classe K com um tipo espectral de K1 V ou K1 IV, podendo ser uma estrela da sequência principal ou uma subgigante. Possui uma massa equivalente a 70% da massa solar e uma temperatura efetiva de 5 010 K. O componente secundário, HD 41004 B, é uma anã vermelha com um tipo espectral de M2 V e magnitude aparente de 12,33. Sua massa é estimada em 40% da massa solar. As duas estrelas estão separadas no céu por meio segundo de arco, o que corresponde a uma separação projetada de 21 UA e um períuma separação projetada de 21 UA e um perí
, HD 41004 är en visuell dubbelstjärna beläg … HD 41004 är en visuell dubbelstjärna belägen i den mellersta delen av stjärnbilden Målaren. Den har en kombinerad skenbar magnitud av ca 8,65 och kräver åtminstone en handkikare eller ett mindre teleskop för att kunna observeras. Baserat på parallax enligt Gaia Data Release 2 på ca 24,0 mas, beräknas den befinna sig på ett avstånd på ca 136 ljusår (ca 42 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 43 km/s.liocentrisk radialhastighet på ca 43 km/s.
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HD 41004
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