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TOI-178:修订间差异

天球赤道座標星圖 00h 29m 12.30s, −30° 27′ 13.46″
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'''TOI-178'''是在[[玉夫座]]這個星座中的一個[[行星系]]<ref name="Roman1987">{{Cite journal|last=Roman|first=Nancy G.|year=1987|title=Identification of a Constellation From a Position|url=http://vizier.u-strasbg.fr/vizier/VizieR/constellations.htx|journal=Publications of the Astronomical Society of the Pacific|volume=99|issue=617|page=695–699|bibcode=1987PASP...99..695R|doi=10.1086/132034}}. [http://vizier.cfa.harvard.edu/viz-bin/VizieR-5?-ref=VIZ5e1c7bb21397f&-out.add=.&-source=VI/42/out&-c=005.7476%20-31.1454,eq=B1875,rs=2 Requête spécifique à TOI-178] sur [[VizieR]].</ref>,在一系列[[軌道共振|拉普拉斯共振]]中至少有五顆行星,而且還可能有第六顆。這是在行星系統中發現最長的共振鏈之一。這個系統的行星,在密度上也有不尋常的變化<ref name=":0">{{Cite web|last=Plait|first=Phil|date=2021-01-25|title=A six-planet system dances in time to the tune of gravity|url=https://www.syfy.com/syfywire/a-six-planet-system-dances-in-time-to-the-tune-of-gravity|access-date=2021-01-27|website=SYFY WIRE|language=en}}</ref><ref name=":2">{{Cite web|title=Nearby Orange Dwarf Hosts Unique System of Six Planets {{!}} Astronomy {{!}} Sci-News.com|url=http://www.sci-news.com/astronomy/orange-dwarf-toi-178-system-six-planets-09284.html|access-date=2021-01-27|website=Breaking Science News {{!}} Sci-News.com|language=en-US}}</ref><ref name=":1">{{Cite journal| last=Leleu | first=A. | last2=Alibert | first2=Y. | last3=Hara | first3=N. C. | last4=Hooton | first4=M. J. | last5=Wilson | first5=T. G. | last6=Robutel | first6=P. | last7=Delisle | first7=J. -B. | last8=Laskar | first8=J. | last9=Hoyer | first9=S. | last10=Lovis | first10=C. | last11=Bryant | first11=E. M. | last12=Ducrot | first12=E. | last13=Cabrera | first13=J. | last14=Delrez | first14=L. | last15=Acton | first15=J. S. | last16=Adibekyan | first16=V. | last17=Allart | first17=R. | last18=Prieto | first18=Allende | last19=Alonso | first19=R. | last20=Alves | first20=D. | last21=Anderson | first21=D. R. | last22=Angerhausen | first22=D. | last23=Escudé | first23=Anglada | last24=Asquier | first24=J. | last25=Barrado | first25=D. | last26=Barros | first26=S. C. C. | last27=Baumjohann | first27=W. | last28=Bayliss | first28=D. | last29=Beck | first29=M. | last30=Beck | first30=T. | last31=Bekkelien | first31=A. | last32=Benz | first32=W. | last33=Billot | first33=N. | last34=Bonfanti | first34=A. | last35=Bonfils | first35=X. | last36=Bouchy | first36=F. | last37=Bourrier | first37=V. | last38=Boué | first38=G. | last39=Brandeker | first39=A. | last40=Broeg | first40=C. | last41=Buder | first41=M. | last42=Burdanov | first42=A. | last43=Burleigh | first43=M. R. | last44=Bárczy | first44=T. | last45=Cameron | first45=A. C. | last46=Chamberlain | first46=S. | last47=Charnoz | first47=S. | last48=Cooke | first48=B. F. | last49=Damme | first49=Corral Van | last50=Correia | first50=A. C. M. | last51=Cristiani | first51=S. | last52=Damasso | first52=M. | last53=Davies | first53=M. B. | last54=Deleuil | first54=M. | last55=Demangeon | first55=O. D. S. | last56=Demory | first56=B. -O. | last57=Marcantonio | first57=Di | last58=Persio | first58=Di | last59=Dumusque | first59=X. | last60=Ehrenreich | first60=D. | last61=Erikson | first61=A. | last62=Figueira | first62=P. | last63=Fortier | first63=A. | last64=Fossati | first64=L. | last65=Fridlund | first65=M. | last66=Futyan | first66=D. | last67=Gandolfi | first67=D. | last68=Muñoz | first68=García | last69=Garcia | first69=L. J. | last70=Gill | first70=S. | last71=Gillen | first71=E. | last72=Gillon | first72=M. | last73=Goad | first73=M. R. | last74=Hernández | first74=González | last75=I. | first75=J. | last76=Guedel | first76=M. | last77=Günther | first77=M. N. | last78=Haldemann | first78=J. | last79=Henderson | first79=B. | last80=Heng | first80=K. | last81=Hogan | first81=A. E. | last82=Isaak | first82=K. | last83=Jehin | first83=E. | last84=Jenkins | first84=J. S. | last85=Jordán | first85=A. | last86=Kiss | first86=L. | last87=Kristiansen | first87=M. H. | last88=Lam | first88=K. | last89=Lavie | first89=B. | last90=Etangs | first90=Lecavelier des | last91=Lendl | first91=M. | last92=Lillo-Box | first92=J. | last93=Curto | first93=Lo | last94=Magrin | first94=D. | last95=Martins | first95=C. J. A. P. | last96=Maxted | first96=P. F. L. | last97=McCormac | first97=J. | last98=Mehner | first98=A. | last99=Micela | first99=G. | last100=Molaro | first100=P. | last101=Moyano | first101=M. | last102=Murray | first102=C. A. | last103=Nascimbeni | first103=V. | last104=Nunes | first104=N. J. | last105=Olofsson | first105=G. | last106=Osborn | first106=H. P. | last107=Oshagh | first107=M. | last108=Ottensamer | first108=R. | last109=Pagano | first109=I. | last110=Pallé | first110=E. | last111=Pedersen | first111=P. P. | last112=Pepe | first112=F. A. | last113=Persson | first113=C. M. | last114=Peter | first114=G. | last115=Piotto | first115=G. | last116=Polenta | first116=G. | last117=Pollacco | first117=D. | last118=Poretti | first118=E. | last119=Pozuelos | first119=F. J. | last120=Queloz | first120=D. | last121=Ragazzoni | first121=R. | last122=Rando | first122=N. | last123=Ratti | first123=F. | last124=Rauer | first124=H. | last125=Raynard | first125=L. | last126=Rebolo | first126=R. | last127=Reimers | first127=C. | last128=Ribas | first128=I. | last129=Santos | first129=N. C. | last130=Scandariato | first130=G. | last131=Schneider | first131=J. | last132=Sebastian | first132=D. | last133=Sestovic | first133=M. | last134=Simon | first134=A. E. | last135=Smith | first135=A. M. S. | last136=Sousa | first136=S. G. | last137=Sozzetti | first137=A. | last138=Steller | first138=M. | last139=Mascareño | first139=Suárez | last140=Szabó | first140=Gy. M. | last141=Ségransan | first141=D. | last142=Thomas | first142=N. | last143=Thompson | first143=S. | last144=Tilbrook | first144=R. H. | last145=Triaud | first145=A. | last146=Turner | first146=O. | last147=Udry | first147=S. | last148=Grootel | first148=Van | last149=Venus | first149=H. | last150=Verrecchia | first150=F. | last151=Vines | first151=J. I. | last152=Walton | first152=N. A. | last153=West | first153=R. G. | last154=Wheatley | first154=P. J. | last155=Wolter | first155=D. | last156=Osorio | first156=Zapatero | last157=R. | first157=M. | display-authors=20 |date=2021-01-20|title=Six transiting planets and a chain of Laplace resonances in TOI-178|journal=Astronomy & Astrophysics|language=en|arxiv=2101.09260|doi=10.1051/0004-6361/202039767|issn=0004-6361|s2cid=231693292 }}</ref>。
'''TOI-178'''是在[[玉夫座]]這個星座中的一個[[行星系]]<ref name="Roman1987">{{Cite journal|last=Roman|first=Nancy G.|year=1987|title=Identification of a Constellation From a Position|url=http://vizier.u-strasbg.fr/vizier/VizieR/constellations.htx|journal=Publications of the Astronomical Society of the Pacific|volume=99|issue=617|page=695–699|bibcode=1987PASP...99..695R|doi=10.1086/132034|access-date=2021-03-06|archive-date=2019-07-17|archive-url=https://web.archive.org/web/20190717180728/http://vizier.u-strasbg.fr/vizier/VizieR/constellations.htx}}. [http://vizier.cfa.harvard.edu/viz-bin/VizieR-5?-ref=VIZ5e1c7bb21397f&-out.add=.&-source=VI/42/out&-c=005.7476%20-31.1454,eq=B1875,rs=2 Requête spécifique à TOI-178] sur [[VizieR]].</ref>,在一系列[[軌道共振|拉普拉斯共振]]中至少有五顆行星,而且還可能有第六顆。這是在行星系統中發現最長的共振鏈之一。這個系統的行星,在密度上也有不尋常的變化<ref name=":0">{{Cite web|last=Plait|first=Phil|date=2021-01-25|title=A six-planet system dances in time to the tune of gravity|url=https://www.syfy.com/syfywire/a-six-planet-system-dances-in-time-to-the-tune-of-gravity|access-date=2021-01-27|website=SYFY WIRE|language=en|archive-date=2021-05-31|archive-url=https://web.archive.org/web/20210531124748/https://www.syfy.com/syfywire/a-six-planet-system-dances-in-time-to-the-tune-of-gravity}}</ref><ref name=":2">{{Cite web|title=Nearby Orange Dwarf Hosts Unique System of Six Planets {{!}} Astronomy {{!}} Sci-News.com|url=http://www.sci-news.com/astronomy/orange-dwarf-toi-178-system-six-planets-09284.html|access-date=2021-01-27|website=Breaking Science News {{!}} Sci-News.com|language=en-US|archive-date=2021-02-05|archive-url=https://web.archive.org/web/20210205011348/http://www.sci-news.com/astronomy/orange-dwarf-toi-178-system-six-planets-09284.html}}</ref><ref name=":1">{{Cite journal| last=Leleu | first=A. | last2=Alibert | first2=Y. | last3=Hara | first3=N. C. | last4=Hooton | first4=M. J. | last5=Wilson | first5=T. G. | last6=Robutel | first6=P. | last7=Delisle | first7=J. -B. | last8=Laskar | first8=J. | last9=Hoyer | first9=S. | last10=Lovis | first10=C. | last11=Bryant | first11=E. M. | last12=Ducrot | first12=E. | last13=Cabrera | first13=J. | last14=Delrez | first14=L. | last15=Acton | first15=J. S. | last16=Adibekyan | first16=V. | last17=Allart | first17=R. | last18=Prieto | first18=Allende | last19=Alonso | first19=R. | last20=Alves | first20=D. | last21=Anderson | first21=D. R. | last22=Angerhausen | first22=D. | last23=Escudé | first23=Anglada | last24=Asquier | first24=J. | last25=Barrado | first25=D. | last26=Barros | first26=S. C. C. | last27=Baumjohann | first27=W. | last28=Bayliss | first28=D. | last29=Beck | first29=M. | last30=Beck | first30=T. | last31=Bekkelien | first31=A. | last32=Benz | first32=W. | last33=Billot | first33=N. | last34=Bonfanti | first34=A. | last35=Bonfils | first35=X. | last36=Bouchy | first36=F. | last37=Bourrier | first37=V. | last38=Boué | first38=G. | last39=Brandeker | first39=A. | last40=Broeg | first40=C. | last41=Buder | first41=M. | last42=Burdanov | first42=A. | last43=Burleigh | first43=M. R. | last44=Bárczy | first44=T. | last45=Cameron | first45=A. C. | last46=Chamberlain | first46=S. | last47=Charnoz | first47=S. | last48=Cooke | first48=B. F. | last49=Damme | first49=Corral Van | last50=Correia | first50=A. C. M. | last51=Cristiani | first51=S. | last52=Damasso | first52=M. | last53=Davies | first53=M. B. | last54=Deleuil | first54=M. | last55=Demangeon | first55=O. D. S. | last56=Demory | first56=B. -O. | last57=Marcantonio | first57=Di | last58=Persio | first58=Di | last59=Dumusque | first59=X. | last60=Ehrenreich | first60=D. | last61=Erikson | first61=A. | last62=Figueira | first62=P. | last63=Fortier | first63=A. | last64=Fossati | first64=L. | last65=Fridlund | first65=M. | last66=Futyan | first66=D. | last67=Gandolfi | first67=D. | last68=Muñoz | first68=García | last69=Garcia | first69=L. J. | last70=Gill | first70=S. | last71=Gillen | first71=E. | last72=Gillon | first72=M. | last73=Goad | first73=M. R. | last74=Hernández | first74=González | last75=I. | first75=J. | last76=Guedel | first76=M. | last77=Günther | first77=M. N. | last78=Haldemann | first78=J. | last79=Henderson | first79=B. | last80=Heng | first80=K. | last81=Hogan | first81=A. E. | last82=Isaak | first82=K. | last83=Jehin | first83=E. | last84=Jenkins | first84=J. S. | last85=Jordán | first85=A. | last86=Kiss | first86=L. | last87=Kristiansen | first87=M. H. | last88=Lam | first88=K. | last89=Lavie | first89=B. | last90=Etangs | first90=Lecavelier des | last91=Lendl | first91=M. | last92=Lillo-Box | first92=J. | last93=Curto | first93=Lo | last94=Magrin | first94=D. | last95=Martins | first95=C. J. A. P. | last96=Maxted | first96=P. F. L. | last97=McCormac | first97=J. | last98=Mehner | first98=A. | last99=Micela | first99=G. | last100=Molaro | first100=P. | last101=Moyano | first101=M. | last102=Murray | first102=C. A. | last103=Nascimbeni | first103=V. | last104=Nunes | first104=N. J. | last105=Olofsson | first105=G. | last106=Osborn | first106=H. P. | last107=Oshagh | first107=M. | last108=Ottensamer | first108=R. | last109=Pagano | first109=I. | last110=Pallé | first110=E. | last111=Pedersen | first111=P. P. | last112=Pepe | first112=F. A. | last113=Persson | first113=C. M. | last114=Peter | first114=G. | last115=Piotto | first115=G. | last116=Polenta | first116=G. | last117=Pollacco | first117=D. | last118=Poretti | first118=E. | last119=Pozuelos | first119=F. J. | last120=Queloz | first120=D. | last121=Ragazzoni | first121=R. | last122=Rando | first122=N. | last123=Ratti | first123=F. | last124=Rauer | first124=H. | last125=Raynard | first125=L. | last126=Rebolo | first126=R. | last127=Reimers | first127=C. | last128=Ribas | first128=I. | last129=Santos | first129=N. C. | last130=Scandariato | first130=G. | last131=Schneider | first131=J. | last132=Sebastian | first132=D. | last133=Sestovic | first133=M. | last134=Simon | first134=A. E. | last135=Smith | first135=A. M. S. | last136=Sousa | first136=S. G. | last137=Sozzetti | first137=A. | last138=Steller | first138=M. | last139=Mascareño | first139=Suárez | last140=Szabó | first140=Gy. M. | last141=Ségransan | first141=D. | last142=Thomas | first142=N. | last143=Thompson | first143=S. | last144=Tilbrook | first144=R. H. | last145=Triaud | first145=A. | last146=Turner | first146=O. | last147=Udry | first147=S. | last148=Grootel | first148=Van | last149=Venus | first149=H. | last150=Verrecchia | first150=F. | last151=Vines | first151=J. I. | last152=Walton | first152=N. A. | last153=West | first153=R. G. | last154=Wheatley | first154=P. J. | last155=Wolter | first155=D. | last156=Osorio | first156=Zapatero | last157=R. | first157=M. | display-authors=20 |date=2021-01-20|title=Six transiting planets and a chain of Laplace resonances in TOI-178|journal=Astronomy & Astrophysics|language=en|arxiv=2101.09260|doi=10.1051/0004-6361/202039767|issn=0004-6361|s2cid=231693292 }}</ref>。


這個系統距離地球約205[[光年]],距離如此接近,意味著這一類的行星系統可能較為常見<ref name=":2" /><ref name=":0" />。這顆名為TOI-178a的恆星亮度有助於後續的觀測,這使它成為一個理想的系統。在這個系統中,我們可以擴展對行星形成和演化的理解<ref name=":1" />。
這個系統距離地球約205[[光年]],距離如此接近,意味著這一類的行星系統可能較為常見<ref name=":2" /><ref name=":0" />。這顆名為TOI-178a的恆星亮度有助於後續的觀測,這使它成為一個理想的系統。在這個系統中,我們可以擴展對行星形成和演化的理解<ref name=":1" />。
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除此之外,行星b的軌道也很接近它共振鏈的一部分。在一個週期約比1.95天稍長的軌道上,它將與行星c形成一個3:5的共振;與其他五顆行星同一個共轉參考系中。有可能整個系統最初形成於一條長長的共振鏈中,但後來最裡面的行星可能被潮汐相互作用從中拉出<ref name=":1" />
除此之外,行星b的軌道也很接近它共振鏈的一部分。在一個週期約比1.95天稍長的軌道上,它將與行星c形成一個3:5的共振;與其他五顆行星同一個共轉參考系中。有可能整個系統最初形成於一條長長的共振鏈中,但後來最裡面的行星可能被潮汐相互作用從中拉出<ref name=":1" />

{{clear}}


{{Orbitbox planet begin
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{{reflist}}
{{reflist}}


{{2021 in space}}
{{2021年太空活動}}
{{Exoplanets}}
{{系外行星}}
{{Stars of Sculptor|state=collapsed}}
{{Stars of Sculptor|state=collapsed}}
{{Sky|00|29|12.30|-|30|27|13.46|204}}
{{Sky|00|29|12.30|-|30|27|13.46|204}}
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<!--- Categories --->
<!--- Categories --->
[[Category:玉夫座]]
[[Category:玉夫座]]
[[Category:橙矮星]]
[[Category:K型主序星]]
[[Category:TESS Objects of Interest|178, TOI]]
[[Category:TESS Objects of Interest|178, TOI]]
[[Category:2MASS天體|J00291228-3027133]]
[[Category:2MASS天體|J00291228-3027133]]

2024年6月25日 (二) 11:26的最新版本

TOI-178
觀測資料
曆元 J2000
星座 玉夫座
星官
赤經 00h 29m 12.30s[1]
赤緯 −30° 27′ 13.46″[1]
視星等(V) 11.95[1]
特性
演化阶段主序星
光谱分类K[1]
天体测定
徑向速度 (Rv)57.4±0.5[1] km/s
自行 (μ) 赤经:149.95±0.07[1] mas/yr
赤纬:−87.25±0.04[1] mas/yr
视差 (π)15.92 ± 0.05[1] mas
距离204.9 ± 0.6 ly
(62.8 ± 0.2 pc)
詳細資料
質量0.650+0.027
−0.029
[1] M
半徑0.651±0.011[1] R
表面重力 (log g)4.45±0.15[1]
亮度 (bolometric)0.132±0.010[1] L
溫度4316±70[1] K
金属量 [Fe/H]−0.23±0.05[1] dex
自轉速度 (v sin i)1.5±0.3[1] km/s
其他命名
2MASS J00291228-3027133、Gaia DR2 2318295979126499200、TIC 251848941、TYC 6991-00475-1
參考資料庫
SIMBAD资料

TOI-178是在玉夫座這個星座中的一個行星系[2],在一系列拉普拉斯共振中至少有五顆行星,而且還可能有第六顆。這是在行星系統中發現最長的共振鏈之一。這個系統的行星,在密度上也有不尋常的變化[3][4][1]

這個系統距離地球約205光年,距離如此接近,意味著這一類的行星系統可能較為常見[4][3]。這顆名為TOI-178a的恆星亮度有助於後續的觀測,這使它成為一個理想的系統。在這個系統中,我們可以擴展對行星形成和演化的理解[1]

五個不同的行星搜索專案提供的數據證實了這個行星系統。在凌日系外行星巡天衛星(TESS,Transiting Exoplanet Survey Satellite)提供了令人感興趣,具有共振鏈系統的初步線索之後,系外行星特性探測衛星(CHEOPS)、ESPRESSO英语ESPRESSO次世代凌星巡天( NGTS,Next-Generation Transit Survey)、和SPECULOOS英语SPECULOOS都提供了確認發現和改進量測的額外觀測。在未來幾年中,對各種行星凌日過程中凌日時間變化的觀測,預計在數分鐘至數十分鐘之間,將有助於卻行星質量,並揭示各種軌道的扁率[1]

軌道的共振

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根據IAU的系外行星命名慣例英语Eexoplanet naming convention,這六顆行星命名為TOI-178b到TOI-178g,其外面的五顆行星被鎖定在拉普拉斯共振的鏈條中。它們繞行母恆星的軌道週期(以天為單位)是b=1.91、c=3.24、d=6.56、e=9.96、f=15.23、和g=20.71。這雖然不是一個完美的整數比,但存在一個參考系,它每天大約旋轉1.37°,行星連續的合形成了一個重複的模式[1]。對於在這個參考系內的觀測者而言,行星c到g形成了一個共振鏈,可以用週期比表示為 2:4:6:9:12,或是用軌道比表示為18:9:6:4:3。這意味著行星c每轉18圈,行星d就完成9圈、行星e轉6圈,行星f轉4圈,行星g轉3圈。

除此之外,行星b的軌道也很接近它共振鏈的一部分。在一個週期約比1.95天稍長的軌道上,它將與行星c形成一個3:5的共振;與其他五顆行星同一個共轉參考系中。有可能整個系統最初形成於一條長長的共振鏈中,但後來最裡面的行星可能被潮汐相互作用從中拉出[1]

TOI-178的行星系[1]
成員
(依恆星距離)
质量 半長軸
(AU)
轨道周期
()
離心率 傾角 半径
b 1.50+0.39
−0.44
 M
0.02607±0.00078 1.914558±0.000018 88.8+0.8
−1.3
°
1.152+0.073
−0.070
 R
c 4.77+0.55
−0.68
 M
0.0370±0.0011 3.238450+0.000020
−0.000019
88.4+1.1
−1.6
°
1.669+0.114
−0.099
 R
d 3.01+0.80
−1.03
 M
0.0592±0.0018 6.557700±0.000016 88.58+0.20
−0.18
°
2.572+0.075
−0.078
 R
e 3.86+1.25
−0.94
 M
0.0783+0.0023
−0.0024
9.961881±0.000042 88.71+0.16
−0.13
°
2.207+0.088
−0.090
 R
f 7.72+1.67
−1.52
 M
0.1039±0.0031 15.231915+0.000115
−0.000095
88.723+0.071
−0.069
°
2.287+0.108
−0.110
 R
g 3.94+1.31
−1.62
 M
0.1275+0.0038
−0.0039
20.70950+0.00014
−0.00011
88.823+0.045
−0.047
°
2.87+0.14
−0.13
 R

相關條目

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參考資料

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  1. ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 Leleu, A.; Alibert, Y.; Hara, N. C.; Hooton, M. J.; Wilson, T. G.; Robutel, P.; Delisle, J. -B.; Laskar, J.; Hoyer, S.; Lovis, C.; Bryant, E. M.; Ducrot, E.; Cabrera, J.; Delrez, L.; Acton, J. S.; Adibekyan, V.; Allart, R.; Prieto, Allende; Alonso, R.; Alves, D.; et al. Six transiting planets and a chain of Laplace resonances in TOI-178. Astronomy & Astrophysics. 2021-01-20. ISSN 0004-6361. S2CID 231693292. arXiv:2101.09260可免费查阅. doi:10.1051/0004-6361/202039767 (英语). 
  2. ^ Roman, Nancy G. Identification of a Constellation From a Position. Publications of the Astronomical Society of the Pacific. 1987, 99 (617): 695–699 [2021-03-06]. Bibcode:1987PASP...99..695R. doi:10.1086/132034. (原始内容存档于2019-07-17). . Requête spécifique à TOI-178 sur VizieR.
  3. ^ 3.0 3.1 Plait, Phil. A six-planet system dances in time to the tune of gravity. SYFY WIRE. 2021-01-25 [2021-01-27]. (原始内容存档于2021-05-31) (英语). 
  4. ^ 4.0 4.1 Nearby Orange Dwarf Hosts Unique System of Six Planets | Astronomy | Sci-News.com. Breaking Science News | Sci-News.com. [2021-01-27]. (原始内容存档于2021-02-05) (美国英语).