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词条 HD 186302
释义

  1. See also

  2. References

  3. External links

{{refimprove|date=January 2019}}{{Starbox begin
| name = HD 186302
}}{{Starbox image
| image={{Location mark
|image=HD186302_starmap.png|alt=|float=center|width=320
|label=|position=right
|mark=Red circle.svg|mark_width=10|mark_link=HD 186302
|x=480|y=600
}}
|caption=Location of HD 186302 (circled)
}}{{Starbox observe
| epoch=J2000
| ra={{RA|19|49|6.43}}
| dec={{DEC|-70|11|16.7}}
| appmag_v=8.76
| constell=Pavo
}}{{Starbox character
| class = G3/5V
| b-v = 0.67
}}{{Starbox astrometry
| prop_mo_ra =-23.954
| prop_mo_dec =-38.710
| parallax = 17.7148
| p_error = 0.0310
| parallax_footnote =
| absmag_v =
}}{{Starbox detail
| mass =
| radius =
| gravity =
| temperature = 5817
| metal_fe =
| age_gyr =
}}{{Starbox catalog
| names = HD 186302, HIP 97507, 2MASS J19490644-7011167, Gaia DR2 6423349579465419392
}}{{Starbox reference
| Simbad = HD+186302
| EPE =
| ARICNS =
}}{{Starbox end}}HD 186302 (also designated HIP 97507) is a star in the constellation of Pavo. It is about {{convert|184|ly|pc|abbr=off|lk=on}} away from Earth, with an apparent magnitude of 8.76. It was identified in November 2018 as a potential solar sibling to the Sun. It is very similar to the Sun; the Sun is a G2V star. Similar by spectrum and size, it may have formed in the same stellar nursery as the Sun 4.57 billion years ago.[1]

See also

  • HD 162826; the first star identified as a solar sibling in May 2014, in Hercules.

References

1. ^Did Astronomers Just Find The Sun’s Sister? Bob P. King, November 24, 2018

}}

External links

  • [https://www.aanda.org/articles/aa/pdf/2018/11/aa34285-18.pdf The AMBRE project: searching for the closest solar siblings], V. Adibekyan, P. de Laverny, A. Recio-Blanco, S. G. Sousa, E. Delgado-Mena, G. Kordopatis, A. C. S. Ferreira, N. C. Santos, A. A. Hakobyan and M. Tsantaki, Received 19 September 2018 / Accepted 3 October 2018
{{main-star-stub}}{{Stars of Pavo}}

6 : Solar twins|G-type main-sequence stars|Henry Draper Catalogue objects|Hipparcos objects|2MASS objects|Pavo (constellation)

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