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词条 HD 89307
释义

  1. Planetary system

  2. See also

  3. References

  4. External links

{{Starbox short
| name = HD 89307
| epoch = J2000.0
| constell = Leo
| ra = {{RA|10|18|21.2877}}
| dec = {{DEC|+12|37|15.990}}
| appmag_v = 7.06
| absmag_v = 4.47
| dist_ly = 108
| dist_pc = 33
| spectral = G0V
| names = {{odlist|BD+13° 2237|HIP=50473|SAO=99049}}
| Simbad = HD+89307
}}

HD 89307 is a yellow main-sequence star located approximately 108 light-years away in the constellation of Leo. The apparent magnitude is 7.06. The mass of the star is identical in value to the Sun.

Planetary system

In December 2004, it was found to have a long-period 1.78 MJ giant planet in orbit around it.

{{OrbitboxPlanet begin
| table_ref =
}}{{OrbitboxPlanet
| exoplanet = b
| mass = ≥1.78 ± 0.13
| period = 2157 ± 63
| semimajor = 3.27 ± 0.07
| eccentricity = 0.241 ± 0.07
}}{{Orbitbox end}}

See also

  • List of extrasolar planets

References


}}

External links

  • {{cite web | url=http://exoplanet.eu/star.php?st=HD+89307 | title=Notes for star HD 89307 | work=The Extrasolar Planets Encyclopaedia | accessdate=2008-08-18}}
{{Sky|10|18|21.2877|+|12|37|15.990|108}}{{Stars of Leo}}{{main-star-stub}}

6 : G-type main-sequence stars|Durchmusterung objects|Henry Draper Catalogue objects|Hipparcos objects|Leo (constellation)|Planetary systems

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