天槍三:修订间差异
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{{short description|在北天牧夫座的恆星。}} |
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{{Starbox begin |
{{Starbox begin |
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| name=天槍三 |
| name = 天槍三(牧夫座θ) |
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}} |
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{{Starbox observe |
{{Starbox observe |
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| epoch=J2000 |
| epoch = J2000 |
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| ra = {{RA|14|25|11.79703}}<ref name=aaa474_2_653/> |
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| ra=14<sup>h</sup> 25<sup>m</sup> 11.8<sup>s</sup> |
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| dec = {{DEC|+51|51|02.6769}}<ref name=aaa474_2_653/> |
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| dec=+51° 51′ 03″ |
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| appmag_v=4. |
| appmag_v = 4.05<ref name=aass85_3_1015/> |
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| constell=[[牧夫座]] |
| constell = [[牧夫座]] |
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| 星官= [[天枪 (星官)|天枪]] ([[紫微垣]]) |
| 星官= [[天枪 (星官)|天枪]] ([[紫微垣]]) |
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}} |
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{{Starbox character |
{{Starbox character |
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| class = F7 V<ref name=aass85_3_1015/> |
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| class=F7 V |
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| |
| r-i = 0.25 |
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| |
| v-r = |
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| b-v = +0.50<ref name=aass85_3_1015/> |
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| variable=[[變星]] }} |
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| u-b = −0.02<ref name="MERMILLIOD"/> |
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| variable = |
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}} |
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{{Starbox astrometry |
{{Starbox astrometry |
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| radial_v= |
| radial_v = −11.60<ref name="Gontcharov"/> |
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| prop_mo_ra=- |
| prop_mo_ra = -235.40<ref name=aaa474_2_653/> |
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| prop_mo_dec=-399.07 |
| prop_mo_dec = -399.07<ref name=aaa474_2_653/> |
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| parallax=68. |
| parallax = 68.82 |
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| p_error=0. |
| p_error = 0.14 |
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| parallax_footnote = <ref name=aaa474_2_653/> |
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| absmag_v=3.22 }} |
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| absmag_v =3.25<ref name=Holmberg2009/> |
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}} |
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{{Starbox detail |
{{Starbox detail |
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| mass=1. |
| mass = 1.3<ref name=aass85_3_1015/> |
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| radius = {{nowrap|1.733 ± 0.011}}<ref name=apj746_1_101/> |
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| radius=? |
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| luminosity = {{nowrap|4.131 ± 0.096}}<ref name=apj746_1_101/> |
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| luminosity=? |
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| temperature= |
| temperature = {{nowrap|6265 ± 41}}<ref name=apj746_1_101/> |
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| gravity = 4.12<ref name=aass85_3_1015/> |
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| metal=85% |
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| metal_fe = 0.02<ref name=prugniel>{{Cite journal | doi = 10.1051/0004-6361/201116769| title = The atmospheric parameters and spectral interpolator for the MILES stars| journal = Astronomy & Astrophysics| volume = 531| pages = A165| year = 2011| last1 = Prugniel | first1 = P. | last2 = Vauglin | first2 = I.| last3 = Koleva | first3 = M.|arxiv = 1104.4952 |bibcode = 2011A&A...531A.165P }}</ref> |
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| rotation=34 km/s. |
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| rotational_velocity = 29.2<ref name=aaa493_3_1099/> |
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| age=~3×10<sup>9</sup> }} |
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| age_myr = |
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}} |
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{{Starbox catalog |
{{Starbox catalog |
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| names={{odlist|name=Asellus Primus|F=23 Boötis|BD=+52° 1804|FK5=531|GJ=549|HD=126660|HIP=70497|HR=5404|LTT=14245|SAO=29137}}.<ref name=SIMBAD>{{cite simbad|title=28 January 2018}}</ref> |
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| names=Asellus Primus, 23 Boötis, [[Henry L. Giclas catalogue|Gl]] 549, [[Harvard Revised catalogue|HR]] 5404, [[Bonner Durchmusterung|BD]] +52°1804, [[Henry Draper catalogue|HD]] 126660, [[Luyten Two-Tenths catalogue|LTT]] 14245, [[General Catalogue of Trigonometric Parallaxes|GCTP]] 3274.00, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 29137, [[Fifth Fundamental Catalogue|FK5]] 531, [[Hipparcos catalogue|HIP]] 70497, GC 19467, CCDM 14252+5151 }} |
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}} |
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{{Starbox reference | |
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{{Starbox reference |
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Simbad=HD+6860 |
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| Simbad=HD+126660 |
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| ARICNS = 01132 }} |
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| ARICNS = 01132 |
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{{Starbox reference | |
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}} |
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Simbad=GJ+549 }} |
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{{Starbox end}} |
{{Starbox end}} |
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'''天槍三'''(牧夫座θ)是在[[牧夫座]]的一顆[[主序星]],距離大約47[[光年]]。它的傳統英文名稱是Asellus Primus {{IPAc-en|ə|ˈ|s|ɛ|l|ə|s|_|ˈ|p|r|aɪ|m|ə|s}}(拉丁文的意思是「新生的驢子」)<ref>[http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Bootes*.html Star Name - R.H.Allen p.105]</ref>,在[[佛蘭斯蒂德命名法]]的序號是牧夫座23。 |
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== 命名 == |
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'''天槍三''' (牧夫座θ) 是[[牧夫座]]內的一顆恆星,它的傳統英文名稱是'''Asellus Primus'''([[拉丁文]]的意思是“新生的[[驢子]]”) <ref>[http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Bootes*.html Star Name - R.H.Allen p.105]</ref>,在[[佛蘭斯蒂德命名法|佛蘭斯蒂德]]的序號是牧夫座23。 |
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在[[中國天文學史|中國]],天槍的意思是手持長矛護衛[[紫微垣]]的禁衛軍,是由[[牧夫座]]θ、κ<sup>2</sup>和λ組成的星官<ref>''中國星座神話'',陳久金著,台灣書房出版有限公司出版,2005年,ISBN 978-986-7332-25-7。</ref>,它稱為'''天槍三''',意思是第三個長矛兵<ref>[http://www.lcsd.gov.hk/CE/Museum/Space/Research/StarName/c_research_chinengstars_ama_b.htm 香港太空館 - 研究資源 - 亮星中英對照表] {{webarchive|url=https://web.archive.org/web/20100811014924/http://www.lcsd.gov.hk/CE/Museum/Space/Research/StarName/c_research_chinengstars_ama_b.htm |date=2010-08-11 }}, Hong Kong Space Museum. Accessed on line November 23, 2010.</ref>。 |
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天槍三,連同其它的成員''Aselli''([[牧夫座κ|天槍一]]、[[牧夫座ι|天槍二]])和[[牧夫座λ|玄戈]]被稱為'''Aulād al Dhiʼbah'''('''أولاد الضّباع'' - ''aulād al dhiʼb''),意思為“小土狼”<ref name=allen1963/>。 |
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| last=Allen | first=R. H. | year=1963 |
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| authorlink=Richard Hinckley Allen |
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| title=Star Names: Their Lore and Meaning |
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| url=http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Bootes*.html |
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| accessdate=2010-12-12 | edition=Reprint |
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| publisher=Dover Publications Inc |
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| location=New York, NY | isbn=0486210790 | page=105}} </ref>。 |
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在[[中文]]中,天槍的意思是手持長矛護衛[[紫微垣]]的禁衛軍,是由[[牧夫座]]θ、κ<sup>2</sup>和λ組成的星官<ref>''中國星座神話'',陳久金著,台灣書房出版有限公司出版,2005年,ISBN 978-986-7332-25-7。</ref>,它因而稱為'''天槍三''',意思是第三個長矛兵<ref>{{zh icon}} [http://www.lcsd.gov.hk/CE/Museum/Space/Research/StarName/c_research_chinengstars_ama_b.htm 香港太空館 - 研究資源 - 亮星中英對照表] {{webarchive|url=https://web.archive.org/web/20100811014924/http://www.lcsd.gov.hk/CE/Museum/Space/Research/StarName/c_research_chinengstars_ama_b.htm |date=2010-08-11 }}, Hong Kong Space Museum. Accessed on line November 23, 2010.</ref>。 |
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== 性質 == |
== 性質 == |
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天槍三的[[視星等]] |
天槍三的[[視星等]]為+4.05,[[恆星光譜|光譜類型]]為F7V,距離[[地球]]大約47[[光年]]。雖然大約從[[前5千紀|西元前4300年]]到[[前40世紀|西元前3942年]],它是肉眼可見距離天球北極點最近的恆星,但是因為它實在太黯淡,因此不能作為[[北極星]]{{citation needed|date=January 2016|reason=It may be true, but I could not find a reference to confirm it. Hence it may be OR.}}。 |
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它有一顆 |
它有一顆距離大約70[[弧秒]],實際距離約為1,000[[天文單位]]的11等光學伴星,光譜分類為M2.5的矮星。雖然不能確定兩者之間是否被引力約束在一起,但是兩者在太空中有共同的運動,所以這兩顆星應該有共同的起源<ref name=kaler/><ref name=aj133_3_889/>。 |
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== 參考資料 == |
== 參考資料 == |
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{{reflist|refs= |
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<ref name=Holmberg2009>{{citation |
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| display-authors=1 | last1=Holmberg | first1=J. |
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| last2=Nordström | first2=B. | last3=Andersen | first3=J. |
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| title=The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics |
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| volume=501 | issue=3 |date=July 2009 | pages=941–947 |
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| journal=Astronomy and Astrophysics |
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| doi=10.1051/0004-6361/200811191 | bibcode=2009A&A...501..941H |
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| arxiv=0811.3982 | postscript=. }}</ref> |
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<ref name=aass85_3_1015>{{citation | last1=Malagnini | first1=M. L. | last2=Morossi | first2=C. | title=Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars | journal=Astronomy and Astrophysics Supplement Series | volume=85 | issue=3 | pages=1015–1019 |date=November 1990 | bibcode=1990A&AS...85.1015M }}</ref> |
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<ref name=aaa474_2_653>{{citation | first=F. | last=van Leeuwen |date=November 2007 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 |arxiv = 0708.1752 }}</ref> |
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<ref name=allen1963>{{citation | last=Allen | first=R. H. | year=1963 | authorlink=Richard Hinckley Allen | title=Star Names: Their Lore and Meaning | url=https://archive.org/details/starnamestheirlo00alle/page/105 | accessdate=2010-12-12 | edition=Reprint | publisher=Dover Publications Inc | location=New York, NY | isbn=0-486-21079-0 | page=[https://archive.org/details/starnamestheirlo00alle/page/105 105] | url-access=registration }}</ref> |
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<ref name=apj746_1_101>{{citation | display-authors=1 | last1=Boyajian | first1=Tabetha S. | last2=McAlister | first2=Harold A. | last3=van Belle | first3=Gerard | last4=Gies | first4=Douglas R. | last5=ten Brummelaar | first5=Theo A. | last6=von Braun | first6=Kaspar | last7=Farrington | first7=Chris | last8=Goldfinger | first8=P. J. | last9=O'Brien | first9=David | last10=Parks | first10=J. Robert | last11=Richardson | first11=Noel D. | last12=Ridgway | first12=Stephen | last13=Schaefer | first13=Gail | last14=Sturmann | first14=Laszlo | last15=Sturmann | first15=Judit | last16=Touhami | first16=Yamina | last17=Turner | first17=Nils H. | last18=White | first18=Russel | title=Stellar Diameters and Temperatures. I. Main-sequence A, F, and G Stars | journal=The Astrophysical Journal | volume=746 | issue=1 | page=101 |date=February 2012 | doi=10.1088/0004-637X/746/1/101 | bibcode=2012ApJ...746..101B |arxiv = 1112.3316 }}. See Table 10.</ref> |
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<ref name="Gontcharov">{{Cite journal |
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| last1=Gontcharov | first1=G. A. |
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| title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system |
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| journal=Astronomy Letters |
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| volume=32 | issue=11 | pages=759–771 | date=November 2006 |
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| doi=10.1134/S1063773706110065 | bibcode=2006AstL...32..759G |
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|arxiv = 1606.08053 }}</ref> |
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<ref name=aaa493_3_1099>{{citation |
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| display-authors=1 | last1=Schröder | first1=C. |
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| last2=Reiners | first2=A. | last3=Schmitt | first3=J. H. M. M. |
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| title=Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo |
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| journal=Astronomy and Astrophysics | date=January 2009 |
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| volume=493 | issue=3 | pages=1099–1107 |
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| doi=10.1051/0004-6361:200810377 | bibcode=2009A&A...493.1099S |
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| postscript=. |
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| url=http://goedoc.uni-goettingen.de/goescholar/bitstream/handle/1/9690/aa10377-08.pdf?sequence=2}}</ref> |
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<ref name="MERMILLIOD">{{citation |
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| last1=Mermilliod | first1=J.-C. |
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| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished) |
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| journal=Catalogue of Eggen's UBV Data. SIMBAD |
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| date=1986 | bibcode=1986EgUBV........0M |
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}}</ref> |
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<ref name=kaler>{{citation |
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| first1 = James | last1= Kaler | work=Stars |
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| title=Asellus Primus | publisher=University of Illinois |
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| url=http://stars.astro.illinois.edu/sow/asellusp.html |
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| accessdate=2016-01-07 | postscript=. |
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}}</ref> |
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<ref name=aj133_3_889>{{citation |
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| last1=Lépine | first1=Sébastien | last2=Bongiorno | first2=Bethany |
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| title=New Distant Companions to Known Nearby Stars. II. Faint Companions of Hipparcos Stars and the Frequency of Wide Binary Systems |
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| journal=The Astronomical Journal |
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| volume=133 | issue=3 | pages=889–905 | date=March 2007 |
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| doi=10.1086/510333 | bibcode=2007AJ....133..889L |
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| arxiv=astro-ph/0610605 | postscript=. |
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}}</ref> |
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}} |
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== 外部連結 == |
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* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J14252%2b5151A CCDM J14252+5151] |
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J14252%2b5151A CCDM J14252+5151] |
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* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%205404 HR 5404] |
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%205404 HR 5404] |
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* [http://aladin.u-strasbg.fr/AladinPreview?-c=SV*+ZI++1068&ident=SV*+ZI++1068&submit=Aladin+previewer Image Theta Boötis] |
* [http://aladin.u-strasbg.fr/AladinPreview?-c=SV*+ZI++1068&ident=SV*+ZI++1068&submit=Aladin+previewer Image Theta Boötis] |
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{{reflist}} |
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== 外部連結 == |
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* [https://web.archive.org/web/20060824060016/http://www.astro.uiuc.edu/~kaler/sow/asellusp.html Theta Bootis] by Professor Jim Kaler. |
* [https://web.archive.org/web/20060824060016/http://www.astro.uiuc.edu/~kaler/sow/asellusp.html Theta Bootis] by Professor Jim Kaler. |
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{{Stars of Boötes}} |
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{{DEFAULTSORT:Theta Bootis}} |
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[[Category:牧夫座]] |
[[Category:牧夫座]] |
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[[Category:HD和HDE天體|126660]] |
[[Category:HD和HDE天體|126660]] |
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[[Category:佛氏天體|牧夫座23]] |
[[Category:佛氏天體|牧夫座23]] |
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[[Category:拜耳天體|牧夫座θ]] |
[[Category:拜耳天體|牧夫座θ]] |
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[[Category: |
[[Category:類太陽恆星|牧夫座θ]] |
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[[Category:F-型主序星]] |
[[Category:F-型主序星]] |
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[[Category:北極星]] |
[[Category:北極星]] |
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[[Category:疑似變星]] |
[[Category:疑似變星]] |
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[[Category:有固有名的恆星]] |
[[Category:有固有名的恆星]] |
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[[Category:HR天體|5404]] |
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[[Category:波恩天體|BD+52 1804]] |
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[[Category:格利澤和GJ天體|0549]] |
2020年3月29日 (日) 09:38的版本
觀測資料 曆元 J2000 | |
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星座 | 牧夫座 |
星官 | 天枪 (紫微垣) |
赤經 | 14h 25m 11.79703s[1] |
赤緯 | +51° 51′ 02.6769″[1] |
視星等(V) | 4.05[2] |
特性 | |
光谱分类 | F7 V[2] |
U−B 色指数 | −0.02[3] |
B−V 色指数 | +0.50[2] |
R−I 色指数 | 0.25 |
天体测定 | |
徑向速度 (Rv) | −11.60[4] km/s |
自行 (μ) | 赤经:-235.40[1] mas/yr 赤纬:-399.07[1] mas/yr |
视差 (π) | 68.82 ± 0.14[1] mas |
距离 | 47.39 ± 0.10 ly (14.53 ± 0.03 pc) |
绝对星等 (MV) | 3.25[5] |
詳細資料 | |
質量 | 1.3[2] M☉ |
半徑 | 1.733 ± 0.011[6] R☉ |
表面重力 (log g) | 4.12[2] |
亮度 | 4.131 ± 0.096[6] L☉ |
溫度 | 6265 ± 41[6] K |
金属量 [Fe/H] | 0.02[7] dex |
自轉速度 (v sin i) | 29.2[8] km/s |
其他命名 | |
參考資料庫 | |
SIMBAD | 资料 |
ARICNS | 资料 |
天槍三(牧夫座θ)是在牧夫座的一顆主序星,距離大約47光年。它的傳統英文名稱是Asellus Primus /əˈsɛləs ˈpraɪməs/(拉丁文的意思是「新生的驢子」)[10],在佛蘭斯蒂德命名法的序號是牧夫座23。
命名
在中國,天槍的意思是手持長矛護衛紫微垣的禁衛軍,是由牧夫座θ、κ2和λ組成的星官[11],它稱為天槍三,意思是第三個長矛兵[12]。
天槍三,連同其它的成員Aselli(天槍一、天槍二)和玄戈被稱為'Aulād al Dhiʼbah(أولاد الضّباع - aulād al dhiʼb),意思為“小土狼”[13]。
性質
天槍三的視星等為+4.05,光譜類型為F7V,距離地球大約47光年。雖然大約從西元前4300年到西元前3942年,它是肉眼可見距離天球北極點最近的恆星,但是因為它實在太黯淡,因此不能作為北極星[來源請求]。
它有一顆距離大約70弧秒,實際距離約為1,000天文單位的11等光學伴星,光譜分類為M2.5的矮星。雖然不能確定兩者之間是否被引力約束在一起,但是兩者在太空中有共同的運動,所以這兩顆星應該有共同的起源[14][15]。
參考資料
- ^ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F., Validation of the new Hipparcos reduction, Astronomy and Astrophysics, November 2007, 474 (2): 653–664, Bibcode:2007A&A...474..653V, arXiv:0708.1752 , doi:10.1051/0004-6361:20078357
- ^ 2.0 2.1 2.2 2.3 2.4 Malagnini, M. L.; Morossi, C., Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars, Astronomy and Astrophysics Supplement Series, November 1990, 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M
- ^ Mermilliod, J.-C., Compilation of Eggen's UBV data, transformed to UBV (unpublished), Catalogue of Eggen's UBV Data. SIMBAD, 1986, Bibcode:1986EgUBV........0M
- ^ Gontcharov, G. A. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. Astronomy Letters. November 2006, 32 (11): 759–771. Bibcode:2006AstL...32..759G. arXiv:1606.08053 . doi:10.1134/S1063773706110065.
- ^ Holmberg, J.; et al, The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics, Astronomy and Astrophysics, July 2009, 501 (3): 941–947, Bibcode:2009A&A...501..941H, arXiv:0811.3982 , doi:10.1051/0004-6361/200811191.
- ^ 6.0 6.1 6.2 Boyajian, Tabetha S.; et al, Stellar Diameters and Temperatures. I. Main-sequence A, F, and G Stars, The Astrophysical Journal, February 2012, 746 (1): 101, Bibcode:2012ApJ...746..101B, arXiv:1112.3316 , doi:10.1088/0004-637X/746/1/101. See Table 10.
- ^ Prugniel, P.; Vauglin, I.; Koleva, M. The atmospheric parameters and spectral interpolator for the MILES stars. Astronomy & Astrophysics. 2011, 531: A165. Bibcode:2011A&A...531A.165P. arXiv:1104.4952 . doi:10.1051/0004-6361/201116769.
- ^ Schröder, C.; et al, Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo (PDF), Astronomy and Astrophysics, January 2009, 493 (3): 1099–1107, Bibcode:2009A&A...493.1099S, doi:10.1051/0004-6361:200810377.
- ^ [ 请检查
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值 (帮助). SIMBAD. 斯特拉斯堡天文資料中心. 28 January 2018] - ^ Star Name - R.H.Allen p.105
- ^ 中國星座神話,陳久金著,台灣書房出版有限公司出版,2005年,ISBN 978-986-7332-25-7。
- ^ 香港太空館 - 研究資源 - 亮星中英對照表 互联网档案馆的存檔,存档日期2010-08-11., Hong Kong Space Museum. Accessed on line November 23, 2010.
- ^ Allen, R. H., Star Names: Their Lore and Meaning Reprint, New York, NY: Dover Publications Inc: 105, 1963 [2010-12-12], ISBN 0-486-21079-0
- ^ Kaler, James, Asellus Primus, Stars (University of Illinois), [2016-01-07].
- ^ Lépine, Sébastien; Bongiorno, Bethany, New Distant Companions to Known Nearby Stars. II. Faint Companions of Hipparcos Stars and the Frequency of Wide Binary Systems, The Astronomical Journal, March 2007, 133 (3): 889–905, Bibcode:2007AJ....133..889L, arXiv:astro-ph/0610605 , doi:10.1086/510333.
外部連結
- CCDM J14252+5151
- HR 5404
- Image Theta Boötis
- Theta Bootis by Professor Jim Kaler.
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