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H1504+65 - 版本历史
2026-07-19T21:18:56Z
本wiki上该页面的版本历史
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2021-02-06T08:00:46Z
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<p><b>新页面</b></p><div>{{Orphan|time=2015-12-10T12:01:16+00:00}}<br />
<br />
{{Starbox begin <br />
| name = H1504+65<br />
}}<br />
{{Starbox observe <br />
| epoch = J2000 <br />
| ra = {{RA|15|02|09.62}}<br />
| dec = {{DEC|+66|12|18.6}}<br />
| appmag_v = 15.9 <br />
| constell = [[小熊座]] <br />
}}<br />
{{Starbox character <br />
| class = <br />
| b-v = <br />
| u-b = <br />
| variable = <br />
}}<br />
{{Starbox astrometry <br />
| radial_v = <br />
| prop_mo_ra = <br />
| prop_mo_dec = <br />
| parallax = <br />
| p_error = <br />
| parallax_footnote = <br />
| absmag_v = <br />
}}<br />
{{Starbox detail<br />
| mass = <br />
| radius = <br />
| luminosity =<br />
| temperature = 200,000<br />
| metal_fe = <br />
| rotational_velocity = <br />
| age_gyr = <br />
}}<br />
{{Starbox catalog <br />
| names = WD 1501+663<br />
}}<br />
{{Starbox reference <br />
| Simbad = H1504+65<br />
}}<br />
{{Starbox end}}<br />
<br />
'''H1504+65'''是一顆位於[[小熊座]]的所知甚少的[[特殊恆星]]。它的表面溫度高達200,000 K，並且大氣層主要由碳、氧和2%的氖組成，是發現[[RX J0439.8-6809]]以前所知最高溫的[[白矮星]]<ref name=Space.com-2015-12-2>{{cite news |url= http://www.space.com/31253-this-is-the-hottest-white-dwarf-in-our-galaxy.html |title= This Is the Hottest White Dwarf in Our Galaxy |author= Elizabeth Howell |date= 3 December 2015 |accessdate= 2015-12-03 |archive-date= 2020-11-08 |archive-url= https://web.archive.org/web/20201108143111/http://www.space.com/31253-this-is-the-hottest-white-dwarf-in-our-galaxy.html |dead-url= no }}</ref>。H1504+65被認為是後[[漸近巨星分支]]時期恆星的核心，雖然它的組成目前無法以現今的恆星演化模型解釋<ref>{{cite journal|last=Werner|first=K.|author2=Rauch, T.|date=2011|title=UV spectroscopy of the hot bare stellar core H1504+65 with the HST Cosmic Origins Spectrograph|journal=Astrophysics and Space Science|volume=335|issue=1|pages=121-24|doi=10.1007/s10509-011-0617-x}}</ref>。<br />
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==參考資料==<br />
{{reflist}}<br />
<br />
[[Category:白矮星]]<br />
[[Category:小熊座]]</div>
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