TRAPPIST-1: erinevus redaktsioonide vahel

Eemaldatud sisu Lisatud sisu
P Korrastasin skripti abil viiteid
14. rida:
|header1 = Vaatlusandmed
|label2 = [[Otsetõus]]
|data2 = 23<sup>h</sup> 06<sup>m</sup> 29,283<sup>s</sup><ref name="one" />
|data2 = 23<sup>h</sup> 06<sup>m</sup> 29,283<sup>s</sup><ref name="one">Cutri, R. M.; Skrutskie, M. F.; Van Dyk, S.; Beichman, C. A.; Carpenter, J. M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E. L.; Kirkpatrick, J. D.; Light, R. M.; Marsh, K. A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W. A.; Wheelock, S.; Zacarias, N. (June 2003). "2MASS All Sky Catalog of point sources". VizieR Online Data Catalog. European Southern Observatory with data provided by the SAO/NASA Astrophysics Data System. 2246. Bibcode:[http://adsabs.harvard.edu/abs/2003yCat.2246....0C 2003yCat.2246....0C].</ref>
|label3 = [[Kääne]]
|data3 = −05° 02′ 28,59″<ref name="one" />
23. rida:
|header6 = Omadused
|label7 = [[Spektriklass]]
|data7 = M8V<ref name="two" />
|data7 = M8V<ref name="two">Costa, E.; Mendez, R. A.; Jao, W.-C.; Henry, T. J.; Subasavage, J. P.; Ianna, P. A. (4 August 2006). "The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program". The Astronomical Journal. The American Astronomical Society. 132 (3): 1234. Bibcode:[http://adsabs.harvard.edu/abs/2006AJ....132.1234C 2006AJ....132.1234C]. doi:[https://dx.doi.org/10.1086%2F505706 10.1086/505706].</ref>
|header8 = [[Astromeetria]]
|label9 = Radiaalkiirus (R<sub>v</sub>)
50. rida:
}}
 
'''TRAPPIST-1''', tuntud ka kui '''2MASS J23062928-0502285''', on [[planeedisüsteem]], mis asub Päikesesüsteemist 12 [[parsek]]i (ligikaudu 39 [[valgusaasta]]) kaugusel [[Veevalaja]] tähtkujus.<ref>[http://www.trappist.one/#about name="About TRAPPIST-1"]. Vaadatud 14.04.2017.</ref>
 
22. veebruaril [[2017]] teatas [[NASA]], et on tähe ümber avastanud seitse [[Maa tüüpi planeedid|Maa-tüüpi planeeti]], millest vähemalt kolm asuvad [[Elukõlbulik tsoon|elukõlbulikus tsoonis]].<ref>[https://www.nasa.gov/press-release/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around name="NASA Telescope Reveals Largest Batch of Earth-Size, Habitable-Zone Planets Around Single Star"]. nasa.gov. vaadatud 23.02.2017.</ref>
 
Alguses avastati 2015. aastal tähe orbiidilt kolm Maa suurust planeeti. [[Belgia]]s, [[Liège'i Ülikool]]i juures töötav [[Michaël Gillon]]i juhitud uurimisgrupp avastas planeedid ülemineku (transiidi) meetodil, kasutades teleskoopi TRAPPIST (ingliskeelne akronüüm nimest Transiting Planets and Plenetesimals Small Telescope) [[La Silla observatoorim]]ius, [[Tšiili]]s.<ref>{{Netiviide|Autor=|URL=https://www.theguardian.com/science/2016/may/02/could-these-newly-discovered-planets-orbiting-an-ultracool-dwarf-host-life|Pealkiri name="Could" these newly-discovered planets orbiting an ultracool dwarf host life?|Väljaanne=The Guardian|Aeg=02.05.2016|Kasutatud=}}</ref> 2017. aasta 22. veebruaril teatasid astronoomid, et on avastanud veel 4 eksoplaneeti, mis tiirlevad ümber tähe TRAPPIST-1. Nende avastamisel oli muuhulgas kasutatud ka [[NASA]] teleskoopi Spitzer ja ''Very Large Telescope'''i (VLT, est. Väga Suur Teleskoop) Paranalis. See avastus tõstis TRAPPIST-1 ümber tiirlevate planeetide arvu seitsmele, millest eeldatavalt kolm asuvad [[Elukõlbulik tsoon|elukõlbulikus tsoonis]].<ref>{{Netiviide|Autor=Shostak, Seth|URLname=http://www.nbcnews.com/mach/space/weird-planetary-system-seems-something-science-fiction-n724136|Pealkiri=This "Weird" Planetary System Seems Like Something From Science Fiction|Väljaanne=NBC News|Aeg=22.02.2017|Kasutatud=}}</ref> Arvatakse, et teised planeedid võivad samuti olla elukõlbulikud, kuna nende pinnal võib olla vedelas olekus vett.<ref>Bolmont, E.; Selsis, F.; Owen, J. E.; Ribas, I.; Raymond, S. N.; Leconte, J.; Gillon, M. (2017). https://academic.oup.com/mnras/article-abstract/464/3/3728/2514577/Water-loss-from-terrestrial-planets-orbiting?redirectedFromname=fulltext "Water loss from terrestrial planets orbiting ultracool dwarfs: implications for the planets of TRAPPIST-1Loss". Monthly Notices of the Royal Astronomical Society 464 (3): 3728–3741 Bibcode:[http://adsabs.harvard.edu/abs/2017MNRAS.464.3728B 2017MNRAS.464.3728B]</ref>
 
== Viited ==
{{viited}}|allikad=
|data2 = 23<sup>h</sup> 06<sup>m</sup> 29,283<sup>s</sup><ref name="one">Cutri, R. M.; Skrutskie, M. F.; Van Dyk, S.; Beichman, C. A.; Carpenter, J. M.; Chester, T.; Cambresy, L.; Evans, T.; Fowler, J.; Gizis, J.; Howard, E.; Huchra, J.; Jarrett, T.; Kopan, E. L.; Kirkpatrick, J. D.; Light, R. M.; Marsh, K. A.; McCallon, H.; Schneider, S.; Stiening, R.; Sykes, M.; Weinberg, M.; Wheaton, W. A.; Wheelock, S.; Zacarias, N. (June 2003). "2MASS All Sky Catalog of point sources". VizieR Online Data Catalog. European Southern Observatory with data provided by the SAO/NASA Astrophysics Data System. 2246. Bibcode:[http://adsabs.harvard.edu/abs/2003yCat.2246....0C 2003yCat.2246....0C].</ref>
|data7 = M8V<ref name="two">Costa, E.; Mendez, R. A.; Jao, W.-C.; Henry, T. J.; Subasavage, J. P.; Ianna, P. A. (4 August 2006). "The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program". The Astronomical Journal. The American Astronomical Society. 132 (3): 1234. Bibcode:[http://adsabs.harvard.edu/abs/2006AJ....132.1234C 2006AJ....132.1234C]. doi:[https://dx.doi.org/10.1086%2F505706 10.1086/505706].</ref>
<ref name="About">[http://www.trappist.one/#about "About TRAPPIST-1"]. Vaadatud 14.04.2017.</ref>
<ref name="Reveals">[https://www.nasa.gov/press-release/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around "NASA Telescope Reveals Largest Batch of Earth-Size, Habitable-Zone Planets Around Single Star"]. nasa.gov. vaadatud 23.02.2017.</ref>
<ref name="Could">{{Netiviide|Autor=|URL=https://www.theguardian.com/science/2016/may/02/could-these-newly-discovered-planets-orbiting-an-ultracool-dwarf-host-life|Pealkiri=Could these newly-discovered planets orbiting an ultracool dwarf host life?|Väljaanne=The Guardian|Aeg=02.05.2016|Kasutatud=}}</ref>
<ref name="Weird">{{Netiviide|Autor=Shostak, Seth|URL=http://www.nbcnews.com/mach/space/weird-planetary-system-seems-something-science-fiction-n724136|Pealkiri=This Weird Planetary System Seems Like Something From Science Fiction|Väljaanne=NBC News|Aeg=22.02.2017|Kasutatud=}}</ref>
<ref name="Loss">Bolmont, E.; Selsis, F.; Owen, J. E.; Ribas, I.; Raymond, S. N.; Leconte, J.; Gillon, M. (2017). https://academic.oup.com/mnras/article-abstract/464/3/3728/2514577/Water-loss-from-terrestrial-planets-orbiting?redirectedFrom=fulltext "Water loss from terrestrial planets orbiting ultracool dwarfs: implications for the planets of TRAPPIST-1". Monthly Notices of the Royal Astronomical Society 464 (3): 3728–3741 Bibcode:[http://adsabs.harvard.edu/abs/2017MNRAS.464.3728B 2017MNRAS.464.3728B]</ref>
}}
 
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