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HD 54893 (nota anche come A Puppis) è una stella bianco-azzurra nella sequenza principale di magnitudine 4,81 situata nella costellazione della Poppa. Dista 751 anni luce dal sistema solare.
, HD 54893, often called A Puppis is a suspe … HD 54893, often called A Puppis is a suspected variable star in the constellation Puppis. Its apparent magnitude is 4.83 and is approximately 860 light years away based on parallax. With a mass over six times that of the Sun, HD 54893 is a hot luminous star with an effective temperature of about 16,000 K and a bolometric luminosity of 2,400 L☉. The spectral class of B2IV/V suggest it is on the border between the main sequence and the subgiant branch. Evolutionary models show it is towards the end of the main sequence at an age of about 22 million years. In a 1971 paper, HD 54893 is mentioned as being a confirmed β Cephei variable, but with no explanation of when it was discovered. A 1971 thesis dedicated to β Cephei variables only mentions HD 54893 as a non-variable early B star. In a 1977 search for β Cephei stars, it is listed as possibly being variable. It is catalogued as a suspected variable star, but not confirmed.uspected variable star, but not confirmed.
, HD 54893 är en ensam stjärna belägen i den … HD 54893 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Akterskeppet, som också har Bayer-beteckningen A Puppis. Den har en skenbar magnitud av ca 4,83 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,5 mas, beräknas den befinna sig på ett avstånd på ca 730 ljusår (ca 223 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 20 km/s.liocentrisk radialhastighet på ca 20 km/s.
, HD 54893，又名CD-39 3105，SAO 197632、HR 2702，是一颗恒星，视星等为4.83，位于銀經250.69，銀緯-13.83，其B1900.0坐标为赤經7h 5m 29.5s，赤緯-39° -13.83′ 42″。
, 67 Puppis (A Puppis) é uma estrela na dire … 67 Puppis (A Puppis) é uma estrela na direção da Puppis. Possui uma ascensão reta de 07h 08m 51.08s e uma declinação de −39° 39′ 20.4″. Sua magnitude aparente é igual a 4.83. Considerando sua distância de 751 anos-luz em relação à Terra, sua magnitude absoluta é igual a −1.98. Pertence à classe espectral B3IV/V.−1.98. Pertence à classe espectral B3IV/V.
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suspected β Cep
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| rdfs:comment |
67 Puppis (A Puppis) é uma estrela na dire … 67 Puppis (A Puppis) é uma estrela na direção da Puppis. Possui uma ascensão reta de 07h 08m 51.08s e uma declinação de −39° 39′ 20.4″. Sua magnitude aparente é igual a 4.83. Considerando sua distância de 751 anos-luz em relação à Terra, sua magnitude absoluta é igual a −1.98. Pertence à classe espectral B3IV/V.−1.98. Pertence à classe espectral B3IV/V.
, HD 54893 är en ensam stjärna belägen i den … HD 54893 är en ensam stjärna belägen i den mellersta delen av stjärnbilden Akterskeppet, som också har Bayer-beteckningen A Puppis. Den har en skenbar magnitud av ca 4,83 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,5 mas, beräknas den befinna sig på ett avstånd på ca 730 ljusår (ca 223 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 20 km/s.liocentrisk radialhastighet på ca 20 km/s.
, HD 54893，又名CD-39 3105，SAO 197632、HR 2702，是一颗恒星，视星等为4.83，位于銀經250.69，銀緯-13.83，其B1900.0坐标为赤經7h 5m 29.5s，赤緯-39° -13.83′ 42″。
, HD 54893, often called A Puppis is a suspe … HD 54893, often called A Puppis is a suspected variable star in the constellation Puppis. Its apparent magnitude is 4.83 and is approximately 860 light years away based on parallax. With a mass over six times that of the Sun, HD 54893 is a hot luminous star with an effective temperature of about 16,000 K and a bolometric luminosity of 2,400 L☉. The spectral class of B2IV/V suggest it is on the border between the main sequence and the subgiant branch. Evolutionary models show it is towards the end of the main sequence at an age of about 22 million years.uence at an age of about 22 million years.
, HD 54893 (nota anche come A Puppis) è una stella bianco-azzurra nella sequenza principale di magnitudine 4,81 situata nella costellazione della Poppa. Dista 751 anni luce dal sistema solare.
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HD 54893
, 67 Puppis
|
