HD 96700 (original) (raw)
HD 96700, nella denominazione adottata dal catalogo Henry Draper, è una nana gialla visibile nella costellazione dell'Idra. Dista circa 83,5 anni luce dal sistema solare. Attorno ad essa orbitano tre pianeti extrasolari, due scoperti nel 2011 e un altro nel 2021, tutti individuati con il metodo delle velocità radiali.
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| dbo:abstract | HD 96700 is the Henry Draper Catalogue designation for a star in the equatorial constellation of Hydra. It has an apparent visual magnitude of 6.51, which puts it below the limit that can be seen with the naked eye by a typical observer. (According to the Bortle scale, it is possible for some observers to see it from dark rural skies.) Based upon parallax measurements, this star is around 83 light years away from the Sun. It is drifting further away with a radial velocity of 12.8 km/s. This is considered a high proper motion star, shifting its position across the celestial sphere at a rate of 0.52 arc seconds per year, along a position angle of 255.21°. It is a member of the thin disk population of stars and is orbiting the galactic core at a mean galactocentric distance of 23.4 kly (7.17 kpc) with an orbital eccentricity 0.16. The inclination of its galactic orbit carries it no more than 950 ly (290 pc) away from the galactic plane. HD 96700 is a G-type main sequence star with a stellar classification of G0 V. It has a slightly lower mass than the Sun and a lower metallicity. The estimated size is similar to the Sun, ranging from 96% to 110% depending on the method used. The effective temperature of the star's outer atmosphere is 5,879 K, giving it the yellow-hued glow of a G-type star. It appears to be much older than the Sun, with age estimates ranging up to 11.9 billion years. A 2015 survey ruled out the existence of any additional stellar companions at projected distances from 7 to 209 astronomical units. (en) HD 96700, nella denominazione adottata dal catalogo Henry Draper, è una nana gialla visibile nella costellazione dell'Idra. Dista circa 83,5 anni luce dal sistema solare. Attorno ad essa orbitano tre pianeti extrasolari, due scoperti nel 2011 e un altro nel 2021, tutti individuati con il metodo delle velocità radiali. (it) HD 96700 är en ensam stjärna belägen i den södra delen av stjärnbilden Vattenormen. Den har en skenbar magnitud av ca 6,51 och kräver åtminstone en handkikare för att kunna observeras. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 39,0 mas, beräknas den befinna sig på ett avstånd på ca 84 ljusår (ca 26 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 13 km/s och anses ha en stor egenrörelse och rör sig över himlavalvet med en vinkelhastighet av 0,52 bågsekunder per år vid en positionsvinkel av 255,21°. HD 96700 ingår i populationen av stjärnor i den tunna skivan av Vintergatan och kretsar runt den galaktiska kärnan på en genomsnittlig distans av 23 400 ljusår med en omloppsexcentricitet av 0.16. Lutningen av dess galaktiska omloppsbana för den inte mer än 950 ljusår bort från det galaktiska planet. (sv) HD 96700 — звезда, которая находится в созвездии Гидра на расстоянии около 83 световых лет от нас. Вокруг звезды обращаются, как минимум, две планеты. (ru) HD 96700，又名CD-29 8875，SAO 179558、HR 4328，是一颗恒星，视星等为6.54，位于銀經277.74，銀緯27.59，其B1900.0坐标为赤經11h 3m 9s，赤緯-29° 27.59′ 47″。 (zh) |
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| dbp:ageGyr | 11.900000 (xsd:double) |
| dbp:appmagV | 6.510000 (xsd:double) |
| dbp:bV | 0.606000 (xsd:double) |
| dbp:class | G0 V (en) |
| dbp:constell | dbr:Hydra_(constellation) |
| dbp:eccentricity | 0 (xsd:integer) 0.100000 (xsd:double) 0.370000 (xsd:double) |
| dbp:epoch | J2000.0 (en) |
| dbp:exoplanet | c (en) d (en) b (en) |
| dbp:gravity | 4.360000 (xsd:double) |
| dbp:mass | 0.960000 (xsd:double) |
| dbp:massEarth | ≥ 12.76 ± 1.63 (en) ≥ 3.5 (en) ≥ 9.03 ± 0.63 (en) |
| dbp:metalFe | −0.14 (en) |
| dbp:name | HD 96700 (en) |
| dbp:pError | 0.020800 (xsd:double) |
| dbp:parallax | 39.397500 (xsd:double) |
| dbp:period | 8.125600 (xsd:double) 19.880000 (xsd:double) 103.490000 (xsd:double) |
| dbp:radialV | 12.839000 (xsd:double) |
| dbp:radius | 0.960000 (xsd:double) |
| dbp:semimajor | 0.077400 (xsd:double) 0.422000 (xsd:double) |
| dbp:temperature | 5879 (xsd:integer) |
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| gold:hypernym | dbr:Designation |
| rdf:type | owl:Thing dbo:Place dbo:Location schema:Place dbo:CelestialBody dbo:Star |
| rdfs:comment | HD 96700, nella denominazione adottata dal catalogo Henry Draper, è una nana gialla visibile nella costellazione dell'Idra. Dista circa 83,5 anni luce dal sistema solare. Attorno ad essa orbitano tre pianeti extrasolari, due scoperti nel 2011 e un altro nel 2021, tutti individuati con il metodo delle velocità radiali. (it) HD 96700 — звезда, которая находится в созвездии Гидра на расстоянии около 83 световых лет от нас. Вокруг звезды обращаются, как минимум, две планеты. (ru) HD 96700，又名CD-29 8875，SAO 179558、HR 4328，是一颗恒星，视星等为6.54，位于銀經277.74，銀緯27.59，其B1900.0坐标为赤經11h 3m 9s，赤緯-29° 27.59′ 47″。 (zh) HD 96700 is the Henry Draper Catalogue designation for a star in the equatorial constellation of Hydra. It has an apparent visual magnitude of 6.51, which puts it below the limit that can be seen with the naked eye by a typical observer. (According to the Bortle scale, it is possible for some observers to see it from dark rural skies.) Based upon parallax measurements, this star is around 83 light years away from the Sun. It is drifting further away with a radial velocity of 12.8 km/s. (en) HD 96700 är en ensam stjärna belägen i den södra delen av stjärnbilden Vattenormen. Den har en skenbar magnitud av ca 6,51 och kräver åtminstone en handkikare för att kunna observeras. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 39,0 mas, beräknas den befinna sig på ett avstånd på ca 84 ljusår (ca 26 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 13 km/s och anses ha en stor egenrörelse och rör sig över himlavalvet med en vinkelhastighet av 0,52 bågsekunder per år vid en positionsvinkel av 255,21°. (sv) |
| rdfs:label | HD 96700 (en) HD 96700 (it) HD 96700 (ru) HD 96700 (sv) HD 96700 (zh) |
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