About: Nu Pavonis

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ν Pavonis, Latinized as Nu Pavonis, is a possible triple star system in the southern constellation of Pavo. It is visible to the naked eye as a faint star that varies in apparent visual magnitude from 4.60 to 4.64 over a period of 0.85584 days. The system lies approximately 440 light years from the Sun based on parallax, and is drifting further away with a radial velocity of +17 km/s. It is a possible member of the Wolf 630 group of co-moving stars.

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  • ν Pavonis, Latinized as Nu Pavonis, is a possible triple star system in the southern constellation of Pavo. It is visible to the naked eye as a faint star that varies in apparent visual magnitude from 4.60 to 4.64 over a period of 0.85584 days. The system lies approximately 440 light years from the Sun based on parallax, and is drifting further away with a radial velocity of +17 km/s. It is a possible member of the Wolf 630 group of co-moving stars. This is a single-lined spectroscopic binary system with an orbital period of just 1.71 days in a circular orbit. The unresolved components are close enough that their tidal interaction is significant. The visible component is a slowly pulsating B-type star with a stellar classification of B7III. This implies it is an evolved giant star, but it is actually more likely to be on the main sequence. An X-ray emission has been detected from the pair. The third component is a visible companion, probably a pre-main-sequence star, at magnitude 13.7 and separation 3.1″. This star is estimated at 0.15 solar masses and an effective temperature of 3,192 K. It too is an X-ray source. (en)
  • Nu Pavonis (ν Pavonis, ν Pav) è una stella tripla gerarchica situata nella costellazione del Pavone. Anche in virtù della sua velocità peculiare di 17,0 km/s rispetto ai sistemi vicini, si ritiene che questo sistema stellare possa far parte del gruppo di stelle fuggitive denominato Wolf 630. Situata a circa 440 anni luce dal sistema solare, la sua magnitudine apparente, che varia da +4,60 a +4,64 su un periodo di 0,85584 giorni, fa sì che questa stella sia visibile a occhio nudo nell'emisfero australe. (it)
  • Nu Pavonis (33 Pavonis) é uma estrela na direção da constelação de Pavo. Possui uma ascensão reta de 18h 31m 22.43s e uma declinação de −62° 16′ 41.5″. Sua magnitude aparente é igual a 4.63. Considerando sua distância de 479 anos-luz em relação à Terra, sua magnitude absoluta é igual a 2.55. Pertence à classe espectral B8III. (pt)
  • Ny Pavonis (ν Pavonis, förkortat Ny Pav, ν Pav), som är stjärnans Bayer-beteckning, är en ensam stjärna i den västra delen av stjärnbilden Påfågeln. Den har en genomsnittlig skenbar magnitud på +4,62 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätningar i Hipparcos-uppdraget på ca 7,0 mas beräknas den befinna sig på ca 460 ljusårs (142 parsek) avstånd från solen. (sv)
  • 孔雀座ν,又名CP-62 5879,HD 169978、SAO 254273、HR 6916,是孔雀座的一颗恒星,视星等为4.64,位于銀經332.82,銀緯-21.56,其B1900.0坐标为赤經18h 22m 2s,赤緯-62° -21.56′ 30″。 (zh)
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dbp:absmagV
  • -1.010000 (xsd:double)
dbp:appmagV
  • 4.640000 (xsd:double)
  • (en)
dbp:bV
  • −0.11 (en)
dbp:class
  • B7III (en)
dbp:constell
dbp:eccentricity
  • 0 (xsd:integer)
dbp:epoch
  • J2000 (en)
dbp:luminosity
  • 659 (xsd:integer)
dbp:mass
  • 4.390000 (xsd:double)
dbp:pError
  • 0.240000 (xsd:double)
dbp:parallax
  • 7.430000 (xsd:double)
dbp:propMoDec
  • −45.31 (en)
dbp:propMoRa
  • −1.11 (en)
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  • +16.95 (en)
dbp:rotationalVelocity
  • 125 (xsd:integer)
dbp:temperature
  • 12764 (xsd:integer)
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  • main sequence (en)
dbp:uB
  • −0.39 (en)
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rdfs:comment
  • Nu Pavonis (ν Pavonis, ν Pav) è una stella tripla gerarchica situata nella costellazione del Pavone. Anche in virtù della sua velocità peculiare di 17,0 km/s rispetto ai sistemi vicini, si ritiene che questo sistema stellare possa far parte del gruppo di stelle fuggitive denominato Wolf 630. Situata a circa 440 anni luce dal sistema solare, la sua magnitudine apparente, che varia da +4,60 a +4,64 su un periodo di 0,85584 giorni, fa sì che questa stella sia visibile a occhio nudo nell'emisfero australe. (it)
  • Nu Pavonis (33 Pavonis) é uma estrela na direção da constelação de Pavo. Possui uma ascensão reta de 18h 31m 22.43s e uma declinação de −62° 16′ 41.5″. Sua magnitude aparente é igual a 4.63. Considerando sua distância de 479 anos-luz em relação à Terra, sua magnitude absoluta é igual a 2.55. Pertence à classe espectral B8III. (pt)
  • Ny Pavonis (ν Pavonis, förkortat Ny Pav, ν Pav), som är stjärnans Bayer-beteckning, är en ensam stjärna i den västra delen av stjärnbilden Påfågeln. Den har en genomsnittlig skenbar magnitud på +4,62 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätningar i Hipparcos-uppdraget på ca 7,0 mas beräknas den befinna sig på ca 460 ljusårs (142 parsek) avstånd från solen. (sv)
  • 孔雀座ν,又名CP-62 5879,HD 169978、SAO 254273、HR 6916,是孔雀座的一颗恒星,视星等为4.64,位于銀經332.82,銀緯-21.56,其B1900.0坐标为赤經18h 22m 2s,赤緯-62° -21.56′ 30″。 (zh)
  • ν Pavonis, Latinized as Nu Pavonis, is a possible triple star system in the southern constellation of Pavo. It is visible to the naked eye as a faint star that varies in apparent visual magnitude from 4.60 to 4.64 over a period of 0.85584 days. The system lies approximately 440 light years from the Sun based on parallax, and is drifting further away with a radial velocity of +17 km/s. It is a possible member of the Wolf 630 group of co-moving stars. (en)
rdfs:label
  • Nu Pavonis (it)
  • Nu Pavonis (en)
  • Nu Pavonis (pt)
  • Ny Pavonis (sv)
  • 孔雀座ν (zh)
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