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Dofida eller HD 117618 är en ensam stjärna … Dofida eller HD 117618 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Kentauren. Den har en skenbar magnitud av ca 7,17 och kräver åtminstone en stark handkikare eller ett mindre teleskop för att kunna observeras. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 26,3 mas, beräknas den befinna sig på ett avstånd på ca 124 ljusår (ca 38 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 1,6 km/s.iocentrisk radialhastighet på ca 1,6 km/s.
, HD 117618 — звезда, которая находится в созвездии Центавр на расстоянии около 124 световых лет от нас. Вокруг звезды обращается, как минимум, две экзопланеты.
, HD 117618, diberi nama Dofida oleh IAU, ad … HD 117618, diberi nama Dofida oleh IAU, adalah bintang tunggal berwarna kuning di bagian selatan rasi bintang Sentaurus. Dengan magnitudo semu 7,17, bintang ini terlalu redup bagi mata telanjang. Jarak ke bintang ini sekitar 124 tahun cahaya berdasarkan pergeseran paralaks sebesar 26,34±0,60 mdb dari Bumi. Ia bergerak menjauh dengan kecepatan radial heliosentris sekitar +1,6 km/s. Dofida mirip dengan matahari dan termasuk bintang kuning dengan klasifikasi bintang G0 V. Bintang ini sekitar 10% lebih bermassa dan 17% lebih besar daripada matahari. Bintang ini berusia sekitar empat miliar tahun. Bintang ini memiliki kecepatan rotasi yang diproyeksikan 3,67 km/s. Bintang ini memancarkan 1,6 kali lipat luminositas matahari dari fotosfernya pada suhu efektif 6.019 K.ari fotosfernya pada suhu efektif 6.019 K.
, HD 117618 (Dofida) – gwiazda oddalona od Słońca o 124 lata świetlne, położona jest w gwiazdozbiorze Centaura. Jest to żółty karzeł, gwiazda typu widmowego G podobna do Słońca.W 2004 roku odkryto planetę HD 117618 b (Noifasui) krążącą wokół tej gwiazdy.
, HD 117618 ist ein 124 Lichtjahre von der E … HD 117618 ist ein 124 Lichtjahre von der Erde entfernter Gelber Zwerg mit einer Rektaszension von 13h 32m 25s und einer Deklination von −47° 16' 16". Er besitzt eine scheinbare Helligkeit von 7,2 mag. Im Jahre 2004 entdeckte Paul Butler einen extrasolaren Planeten, der diesen Stern umkreist. Dieser trägt den Namen HD 117618 b.reist. Dieser trägt den Namen HD 117618 b.
, HD 117618は、ケンタウルス座にある太陽型の黄色い恒星である。見かけの等級は7.17と、肉眼ではみえない明るさである。周囲に1つの太陽系外惑星が発見されている。
, HD 117618, named Döfida by the IAU, is a s … HD 117618, named Döfida by the IAU, is a single, yellow-hued star in the southern constellation of Centaurus. With an apparent visual magnitude of 7.17, it is too faint to be visible to the naked eyes of a typical observer. The distance to this star, as determined from its annual parallax shift of 26.34±0.60 mas as seen from Earth's orbit, is about 124 light years. It is moving further away with a heliocentric radial velocity of around +1.6 km/s. This star is similar to the Sun, being a G-type main-sequence star with a stellar classification of G0 V. It is about 10% more massive and 17% larger than the Sun, with an estimated age of roughly four billion years and a projected rotational velocity of 3.67 km/s. The star is radiating 1.6 times the Sun's luminosity from its photosphere at an effective temperature of 6,019 K.re at an effective temperature of 6,019 K.
, HD 117618 é uma estrela na constelação de … HD 117618 é uma estrela na constelação de Centaurus. Tem uma magnitude aparente visual de 7,17, portanto tem um brilho muito baixo para ser visível a olho nu. Com base em medições de paralaxe, está localizada a aproximadamente 123 anos-luz (37,8 parsecs) da Terra. A essa distância, sua magnitude absoluta é igual a 4,28. Esta é uma estrela de classe G da sequência principal com um tipo espectral de G0V, sendo portanto similar ao Sol porém um pouco maior e mais brilhante. Tem uma massa estimada de 110% da massa solar, um raio de 117% do raio solar e está brilhando com uma luminosidade 60% maior que a solar. Sua fotosfera está irradiando essa energia a uma temperatura efetiva de 5 970 K. Sua idade é estimada em 4,9 bilhões de anos e sua metalicidade, a abundância de elementos mais pesados que o hélio, é um pouco maior que a solar. HD 117618 tem um baixo nível de atividade cromosférica e é fotometricamente estável. Em 2005, foi publicada a descoberta de um planeta extrassolar orbitando HD 117618, detectado pelo método da velocidade radial como parte do Anglo-Australian Planet Search. Esse planeta tem uma massa mínima de 0,18 MJ e está orbitando próximo da estrela com um período de 25,8 dias, semieixo maior de 0,18 UA e uma alta excentricidade de 0,4. Um artigo de 2013 mostrou que os dados de velocidade radial da estrela podem também ser modelados com dois planetas com órbitas circulares. Nesse modelo, o segundo planeta tem um massa mínima de 0,2 MJ e um período orbital de 318 dias.e 0,2 MJ e um período orbital de 318 dias.
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HD 117618 é uma estrela na constelação de … HD 117618 é uma estrela na constelação de Centaurus. Tem uma magnitude aparente visual de 7,17, portanto tem um brilho muito baixo para ser visível a olho nu. Com base em medições de paralaxe, está localizada a aproximadamente 123 anos-luz (37,8 parsecs) da Terra. A essa distância, sua magnitude absoluta é igual a 4,28.ia, sua magnitude absoluta é igual a 4,28.
, HD 117618, named Döfida by the IAU, is a s … HD 117618, named Döfida by the IAU, is a single, yellow-hued star in the southern constellation of Centaurus. With an apparent visual magnitude of 7.17, it is too faint to be visible to the naked eyes of a typical observer. The distance to this star, as determined from its annual parallax shift of 26.34±0.60 mas as seen from Earth's orbit, is about 124 light years. It is moving further away with a heliocentric radial velocity of around +1.6 km/s.ntric radial velocity of around +1.6 km/s.
, HD 117618, diberi nama Dofida oleh IAU, ad … HD 117618, diberi nama Dofida oleh IAU, adalah bintang tunggal berwarna kuning di bagian selatan rasi bintang Sentaurus. Dengan magnitudo semu 7,17, bintang ini terlalu redup bagi mata telanjang. Jarak ke bintang ini sekitar 124 tahun cahaya berdasarkan pergeseran paralaks sebesar 26,34±0,60 mdb dari Bumi. Ia bergerak menjauh dengan kecepatan radial heliosentris sekitar +1,6 km/s.tan radial heliosentris sekitar +1,6 km/s.
, HD 117618 — звезда, которая находится в созвездии Центавр на расстоянии около 124 световых лет от нас. Вокруг звезды обращается, как минимум, две экзопланеты.
, Dofida eller HD 117618 är en ensam stjärna … Dofida eller HD 117618 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Kentauren. Den har en skenbar magnitud av ca 7,17 och kräver åtminstone en stark handkikare eller ett mindre teleskop för att kunna observeras. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 26,3 mas, beräknas den befinna sig på ett avstånd på ca 124 ljusår (ca 38 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 1,6 km/s.iocentrisk radialhastighet på ca 1,6 km/s.
, HD 117618 ist ein 124 Lichtjahre von der E … HD 117618 ist ein 124 Lichtjahre von der Erde entfernter Gelber Zwerg mit einer Rektaszension von 13h 32m 25s und einer Deklination von −47° 16' 16". Er besitzt eine scheinbare Helligkeit von 7,2 mag. Im Jahre 2004 entdeckte Paul Butler einen extrasolaren Planeten, der diesen Stern umkreist. Dieser trägt den Namen HD 117618 b.reist. Dieser trägt den Namen HD 117618 b.
, HD 117618 (Dofida) – gwiazda oddalona od Słońca o 124 lata świetlne, położona jest w gwiazdozbiorze Centaura. Jest to żółty karzeł, gwiazda typu widmowego G podobna do Słońca.W 2004 roku odkryto planetę HD 117618 b (Noifasui) krążącą wokół tej gwiazdy.
, HD 117618は、ケンタウルス座にある太陽型の黄色い恒星である。見かけの等級は7.17と、肉眼ではみえない明るさである。周囲に1つの太陽系外惑星が発見されている。
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