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HAT-P-8 - 版本历史
2026-07-18T22:15:16Z
本wiki上该页面的版本历史
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2021-02-06T08:11:36Z
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<p><b>新页面</b></p><div>{{Starbox begin<br />
| name = HAT-P-8<br />
}}<br />
{{Starbox observe<br />
| epoch = [[J2000.0]]<br />
| constell = [[飛馬座]]<br />
| ra = {{RA|22|52|09.862}}<ref name="SIMBAD" /><br />
| dec = {{DEC|+35|26|49.59}}<ref name="SIMBAD" /><br />
| appmag_v = 10.17<ref name="SIMBAD" /><br />
}}<br />
{{Starbox character<br />
| class = F<ref name="disc"/><br />
| appmag_1_passband = B<br />
| appmag_1 = 10.77 ±0.04<ref name="SIMBAD" /><br />
| appmag_2_passband = V<br />
| appmag_2 = 10.36 ±0.03<ref name="SIMBAD" /><br />
| appmag_3_passband = J<br />
| appmag_3 = 9.214 ±0.022<ref name="SIMBAD" /><br />
| appmag_4_passband = H<br />
| appmag_4 = 9.004 ±0.018<ref name="SIMBAD" /><br />
| appmag_5_passband = K<br />
| appmag_5 = 8.953 ±0.013<ref name="SIMBAD" /><br />
}}<br />
{{Starbox astrometry<br />
| radial_v = <br />
| prop_mo_ra = 75.5 ±2.8<ref name="SIMBAD" /><br />
| prop_mo_dec = 17.2 ±2.8<ref name="SIMBAD" /><br />
| dist_ly = 750 ± 50<br />
| dist_pc = 230 ± 15<br />
}}<br />
{{Starbox detail<br />
| mass = 1.28 ± 0.04 <ref name="disc"/><br />
| radius = 1.58 (−0.06+0.08)<ref name="disc"/><br />
| density =<br />
| gravity =<br />
| luminosity = <br />
| temperature = 6200 ±80<br />
| metal = 0.01 ±0.08<br />
| rotation = <br />
| age = 3.4 ±1 × 10<sup>9</sup><br />
}}<br />
{{Starbox catalog |<br />
names= [[Guide Star Catalog|GSC]] 02757-01152, [[2MASS]] J22520985+3526495, [[Hipparcos Catalogue|TYC]] 2757-1152-1, UCAC2 44236767<br />
}}<br />
{{Starbox reference |<br />
| Simbad=GSC02757-01152<br />
| EPE=HAT-P-8<br />
}}<br />
{{Starbox end}}<br />
<br />
'''HAT-P-8'''是一顆視星等10等的恆星，距離地球約750光年，位於[[飛馬座]]<ref name="SIMBAD">{{cite web<br />
| url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GSC02757-01152<br />
| title=SIMBAD query result: NAME HAT-P-8 -- Star<br />
| publisher=Centre de Données astronomiques de Strasbourg<br />
| accessdate=2009-04-24<br />
| archive-date=2019-06-04<br />
| archive-url=https://web.archive.org/web/20190604162421/http://simbad.u-strasbg.fr/simbad/sim-id?Ident=GSC02757-01152<br />
| dead-url=no<br />
}}</ref>。<br />
<br />
== 行星系統 ==<br />
2008年[[匈牙利自动望远镜网络计划]]宣布在該恆星旁發現一顆[[系外行星]][[HAT-P-8b]]。該行星屬於[[熱木星]]<ref name="disc">{{cite arxiv | eprint=0812.1161 | author=Latham ''et al.'' | title=HATNet Field G205: Follow-Up Observations of 28 Transiting-Planet candidates and Confirmation of the Planet HAT-P-8b | class=astro-ph | year=2008}}</ref>。<br />
<br />
{{OrbitboxPlanet begin}}<br />
{{OrbitboxPlanet<br />
| exoplanet = [[HAT-P-8b|b]]<br />
| mass = 1.52+0.18−0.16<br />
| period = 3.07632 ± 0.000004<br />
| semimajor = 0.0487 ± 0.00026<br />
| eccentricity = ~0<br />
}}<br />
{{Orbitbox end}}<br />
<br />
== 參見 ==<br />
* [[匈牙利自动望远镜网络计划]]<br />
* [[確定存在的太陽系外行星列表]]<br />
<br />
== 參考資料 ==<br />
{{reflist}}<br />
<br />
== 參見 ==<br />
* http://exoplanet.eu{{Wayback|url=http://exoplanet.eu/ |date=20151225035816 }} [http://exoplanet.eu/star.php?st=HAT-P-8 Star : HAT-P-8b] {{Wayback|url=http://exoplanet.eu/star.php?st=HAT-P-8 |date=20120614114146 }}<br />
<br />
{{Sky|22|52|09.862|+|35|26|49.59|750}}<br />
<br />
{{DEFAULTSORT:Hat-P-8}}<br />
{{star-stub}}<br />
<br />
[[Category:飛馬座]]<br />
[[Category:行星凌變星]]<br />
[[Category:行星系]]</div>
imported>InternetArchiveBot