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7 Водолея (лат. 7 Aquarii, HD 199345) — тройная звезда в созвездии Водолея на расстоянии приблизительно 659 световых лет (около 202 парсеков) от Солнца. Видимая звёздная величина звезды — +5,483m.
, 7 Aquarii, som är stjärnans Flamsteed-bete … 7 Aquarii, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna belägen i den östra delen av stjärnbilden Vattumannen. Den har en kombinerad skenbar magnitud på 5,50 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,9 mas, beräknas den befinna sig på ett avstånd på ca 660 ljusår (ca 202 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radiell hastighet på ca –32 km/s.centrisk radiell hastighet på ca –32 km/s.
, 7 Aquarii è una stella gigante arancione di magnitudine 5,5 situata nella costellazione dell'Aquario. Dista 602 anni luce dal sistema solare.
, 7 Aquarii, abbreviated 7 Aqr, is a binary … 7 Aquarii, abbreviated 7 Aqr, is a binary star system in the zodiac constellation of Aquarius. 7 Aquarii is the Flamsteed designation. It is visible to the naked eye with an apparent visual magnitude of 5.5; the brighter component is baseline magnitude 5.62 while the faint secondary is magnitude 11.4. As of 2002, the pair had an angular separation of 2.10″ along a position angle of 165°. The distance to this system, based upon an annual parallax shift of 4.9 mas, is around 660 light years. It is moving closer to the Earth with a heliocentric radial velocity of −32 km/s. The primary component is an aging giant star with a stellar classification of K4 III. It is a suspected variable star of unknown type with a maximum magnitude of 5.48. The interferometry-measured angular diameter of this star, after correcting for limb darkening, is 2.14±0.02 mas, which, at its estimated distance, equates to a physical radius of about 46 times the radius of the Sun. The star is radiating 404 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 3,990 K.re at an effective temperature of 3,990 K.
, 7 d'Aquari (7 Aquarii) és una estrella de la Constel·lació d'Aquari. Té una magnitud aparent de 5,49. Segons la Base de dades SIMBAD és una estrella variable.
, 天鷹座7，又名BD-10 5553，HD 199345、SAO 144968、HR 8015，是天鷹座的一颗恒星，视星等为5.51，位于銀經38.63，銀緯-32.24，其B1900.0坐标为赤經20h 51m 29.8s，赤緯-10° -32.24′ 51″。
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| rdfs:comment |
7 d'Aquari (7 Aquarii) és una estrella de la Constel·lació d'Aquari. Té una magnitud aparent de 5,49. Segons la Base de dades SIMBAD és una estrella variable.
, 7 Aquarii, som är stjärnans Flamsteed-bete … 7 Aquarii, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna belägen i den östra delen av stjärnbilden Vattumannen. Den har en kombinerad skenbar magnitud på 5,50 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,9 mas, beräknas den befinna sig på ett avstånd på ca 660 ljusår (ca 202 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radiell hastighet på ca –32 km/s.centrisk radiell hastighet på ca –32 km/s.
, 7 Aquarii è una stella gigante arancione di magnitudine 5,5 situata nella costellazione dell'Aquario. Dista 602 anni luce dal sistema solare.
, 7 Aquarii, abbreviated 7 Aqr, is a binary … 7 Aquarii, abbreviated 7 Aqr, is a binary star system in the zodiac constellation of Aquarius. 7 Aquarii is the Flamsteed designation. It is visible to the naked eye with an apparent visual magnitude of 5.5; the brighter component is baseline magnitude 5.62 while the faint secondary is magnitude 11.4. As of 2002, the pair had an angular separation of 2.10″ along a position angle of 165°. The distance to this system, based upon an annual parallax shift of 4.9 mas, is around 660 light years. It is moving closer to the Earth with a heliocentric radial velocity of −32 km/s. heliocentric radial velocity of −32 km/s.
, 7 Водолея (лат. 7 Aquarii, HD 199345) — тройная звезда в созвездии Водолея на расстоянии приблизительно 659 световых лет (около 202 парсеков) от Солнца. Видимая звёздная величина звезды — +5,483m.
, 天鷹座7，又名BD-10 5553，HD 199345、SAO 144968、HR 8015，是天鷹座的一颗恒星，视星等为5.51，位于銀經38.63，銀緯-32.24，其B1900.0坐标为赤經20h 51m 29.8s，赤緯-10° -32.24′ 51″。
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7 Aquarii
, 7 Водолея
, 7 d'Aquari
, 天鷹座7
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