Tingnan ang wikitext ng TRAPPIST-1

{{Sky|23|06|29.383|-|05|02|28.59}}{{Starbox begin
| name = TRAPPIST-1<ref name="OEC-TRAPPIST1b">{{site web|url=http://www.openexoplanetcatalogue.com/planet/TRAPPIST-1b/|title=TRAPPIST-1b|publisher=Open Exoplanet Catalogue|accessdate =Mayo 2, 2016}}</ref>
}}
{{Starbox image
| image = [[File:The ultracool dwarf star TRAPPIST-1 in the constellation of Aquarius.tif|250px]]
| caption = Lokasyon ng TRAPPIST-1 sa konstelasyon Aquarius.
| credit = 
}}
{{Starbox observe
| epoch = 
| constell = [[Aquarius (konstelasyon)|Aquarius]]
| ra = {{RA|23|06|29.283}}<ref name="2MASS Cat">{{Cite journal|title=[[2MASS]] All Sky Catalog of point sources|last1=Cutri|first1=R.M.|last2=Skrutskie|first2=M.F.|last3=Van Dyk|first3=S.|last4=Beichman|first4=C.A.|last5=Carpenter|first5=J.M.|last6=Chester|first6=T.|last7=Cambresy|first7=L.|last8=Evans|first8=T.|last9=Fowler|first9=J.|last10=Gizis|first10=J.|last11=Howard|first11=E.|last12=Huchra|first12=J.|last13=Jarrett|first13=T.|last14=Kopan|first14=E.L.|last15=Kirkpatrick|first15=J.D.|last16=Light|first16=R.M.|last17=Marsh|first17=K.A.|last18=McCallon|first18=H.|last19=Schneider|first19=S.|last20=Stiening|first20=R.|last21=Sykes|first21=M.|last22=Weinberg|first22=M.|last23=Wheaton|first23=W.A.|last24=Wheelock|first24=S.|last25=Zacarias|first25=N.|publisher=[[European Southern Observatory]] with data provided by the [[Smithsonian Astrophysical Observatory|SAO]]/[[NASA]] [[Astrophysics Data System]]|journal=[[VizieR]] Online Data Catalog|volume=2246|date=June 2003|bibcode=2003yCat.2246....0C}}</ref>
| dec = {{DEC|–05|02|28.59}}<ref name="2MASS Cat"/>
| appmag_v = 18.80
}}
{{Starbox character
| type 
| class = M8V<ref name="Solar neighborhood">{{Cite journal|title=The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program|url=http://iopscience.iop.org/article/10.1086/505706/pdf|format=PDF|last1=Costa|first1=E.|last2=Mendez|first2=R.A.|last3=Jao|first3=W.-C.|last4=Henry|first4=T.J.|last5=Subasavage|first5=J.P.|last6=Ianna|first6=P.A.|journal=[[The Astronomical Journal]]|volume=132|pages=1234|number=3|date=ngày 4 tháng 8 năm 2006|publisher=[[The American Astronomical Society]]|doi=10.1086/505706|bibcode=2006AJ....132.1234C}}</ref>
| r-i = 2.47
| v-r = 2.33
| b-v = 
| u-b = 
| variable =
}}
{{Starbox astrometry
| radial_v = −56.3
| prop_mo_ra = 
| prop_mo_dec = 
| parallax = 82.58
| p_error = 
| parallax_footnote = 
| dist_ly = 39.5 ± 1.3
| dist_pc = 12.1 ± 0.4
| absmag_v = 18.4 ± 0.1
}}
{{Starbox detail
| metal = 0.04 ± 0.08
| mass = 0.08 ± 0.009
| mass_mj = 83.8048 ± 9.428
| radius = 0.114 ± 0.006
| temperature = 2550 ± 55
| luminosity_bolometric = {{nowrap|0.000525±0.000036}}<ref name="Gillon2016">{{cite journal |title=Temperate Earth-sized planets transiting a nearby ultracool dwarf star |journal=[[Nature (journal)|Nature]] |volume=533 |issue=7602 |pages=221–224 |year=2016 |url=http://www.eso.org/public/archives/releases/sciencepapers/eso1615/eso1615a.pdf |doi=10.1038/nature17448 |last1=Gillon |first1=M. |last2=Jehin |first2=E. |last3=Lederer |first3=S. M. |last4=Delrez |first4=L. |last5=De Wit |first5=J. |last6=Burdanov |first6=A. |last7=Van Grootel |first7=V. |last8=Burgasser |first8=A. J. |last9=Triaud |first9=A. H. M. J. |last10=Opitom |first10=C. |last11=Demory |first11=B.-O. |last12=Sahu |first12=D. K. |last13=Bardalez Gagliuffi |first13=D. |last14=Magain |first14=P. |last15=Queloz |first15=D. |bibcode=2016Natur.533..221G |pmid=27135924 |arxiv=1605.07211}}</ref>
| luminosity_visual = 0.00000373
| gravity =~5.227<ref group="note" name=universalgravity/><ref name="Viti'99">{{cite journal |last=Viti |first=Serena |last2=Jones, |first2=Hugh R. A. |date=November 1999 |title=Gravity dependence at the bottom of the main sequence |url=http://adsabs.harvard.edu/full/1999A%26A...351.1028V |journal=Astronomy and Astrophysics |publisher= |volume=351 |issue= |pages=1028–1035 |bibcode=1999A&A...351.1028V |accessdate =ngày 6 tháng 5 năm 2016}}</ref>
| rotation = {{nowrap|1.40 ± 0.05}} days
| rotational_velocity = {{nowrap|6 ± 2}}
| age_gyr = > 1
}}
{{Starbox catalog
| names = [[2MASS]] J23062928-0502285, <abbr title="2MASS, Incremental release point source catalog">2MASSI</abbr> J2306292-050227, <abbr title="2MASS, Working database">2MASSW</abbr> J2306292-050227, <abbr title="2MASS UltraCool Dwarves ">2MUDC</abbr> 12171
}}
{{Starbox reference
| Simbad = 2MASS+J23062928-0502285
| NSTED = 
| ARICNS = 
}}
{{Starbox end}}

'''TRAPPIST-1''', tinatawag din na '''2MASS J23062928-0502285''',<ref>{{chú thích web|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=2MASS+J23062928-0502285|title=2MASS J23062928-0502285|publisher=}}</ref> ay isang [[brown dwarf]]<ref name="Gillon2016"/><ref name="eso.org"/> distansya kami {{convert|39|ly|pc Pm|abbr=off}} sa konstelasyon [[Aquarius (konstelasyon)|Aquarius]].<ref name="NYT-20170222">{cite journal |last=Chang |first=Kenneth |title=7 Earth-Size Planets Identified in Orbit Around a Dwarf Star |url=https://www.nytimes.com/2017/02/22/science/trappist-1-exoplanets-nasa.html |date=Pebrero 25, 2017 |work=[[New York Times]] |accessdate=Pebrero 22, 2017 }}</ref>. Noong Pebrero 2017, ang bituin na ito ay may 7 na planeta na tulad ng Earth na nag-oorbit nito, ang pinakamalaking bilang ng mga planetang tulad ng Earth kumpara sa anumang iba pang planeta system.<ref name="Witze2017">{{cite journal |last1=Witze |first1=A. |title=These seven alien worlds could help explain how planets form |journal=Nature |date=Pebraro 22, 2017 |doi=10.1038/nature.2017.21512}}</ref><ref name = "Marchis2017">{{chú thích web | url = http://www.planetary.org/blogs/guest-blogs/2017/20170222-trappist-1-potentially-habitable-worlds.html | title = Wonderful potentially habitable worlds around TRAPPIST-1
 | last = Marchis | first = F. | date = Pebraro 22, 2017 | publisher = [[Planetary Society]] | accessdate = Pebrero 25, 2017}}</ref>

==Natuklasan==
Ang isang pangkat ng mga astronomo sa ilalim ng utos ni Michaël Gillon (fr) ng {{ill|Institut d'Astrophysique et Géophysique}} sa [[Liège University]].<ref>{{site web|url=http://www.ago.ulg.ac.be/index_e.php|title=AGO - Department of Astrophysics, Geophysics and Oceanography|publisher=}}</ref> sa ang Belgium ay gumagamit ng Trappist telescope (maliit na teleskopyo upang maghanap ng mga maliliit na planeta at mga planeta ng transit) sa [[La Silla Observatory]] sa [[Atacama desert]], [[Chile]], <ref name="Guardian"/> upang obserbahan ang mga bituin at maghanap ng mga planeta na nag-oorbit sa paligid. Sa pamamagitan ng paggamit ng photometry, natuklasan nila ang tatlong planeta na may sukat sa Earth na nag-oorbit sa isang dwarf; ang parehong dalawa ay ang [[tidal lock]] sa kanilang mga host stars habang ang pinakamalayo na lugar ng sistema ay lumilitaw o sa labas lamang nito. Ang bawat planeta ay may kakayahang maglaman ng ibabaw na tubig at buhay. <ref name="eso.org">{{site web |url=https://www.eso.org/public/news/eso1615/ |title=Three Potentially Habitable Worlds Found Around Nearby Ultracool Dwarf Star - Currently the best place to search for life beyond the Solar System |website=European Southern Observatory|language=en-GB |accessdate = Mayo 2, 2016}}</ref><ref>{{cite web|url= http://www.popularmechanics.com/space/deep-space/a20671/three-planets-life-outside-the-solar-system/ |title=Three New Planets Are the Best Bets for Life |work=[[Popular Mechanics]] |date =|accessdate =}}</ref> Napagmasdan ng koponan ang mga ito mula Setyembre hanggang Disyembre 2015 at na-publish ang kanilang mga natuklasan sa haligi ng Mayo 2016 ''[[Nature (journal)|Nature]]''.<ref name="Guardian">{{cite journal|url=https://www.theguardian.com/science/2016/may/02/could-these-newly-discovered-planets-orbiting-an-ultracool-dwarf-host-life |title=Could these newly-discovered planets orbiting an ultracool dwarf host life? |work=[[The Guardian]] |first=Ian |last=Sample |date=|accessdate =}}</ref><ref>{{cite journal|title=Temperate Earth-sized planets transiting a nearby ultracool dwarf star |journal=[[Nature (journal)|Nature]] |volume=533 |issue=7602 |pages=221–224 |year=2016 |doi=10.1038/nature17448 |last1=Gillon |first1=Michaël |last2=Jehin |first2=Emmanuël |last3=Lederer |first3=Susan M. |last4=Delrez |first4=Laetitia |last5=De Wit |first5=Julien |last6=Burdanov |first6=Artem |last7=Van Grootel |first7=Valérie |last8=Burgasser |first8=Adam J. |last9=Triaud |first9=Amaury H. M. J. |last10=Opitom |first10=Cyrielle |last11=Demory |first11=Brice-Olivier |last12=Sahu |first12=Devendra K. |last13=Bardalez Gagliuffi |first13=Daniella |last14=Magain |first14=Pierre |last15=Queloz |first15=Didier }}</ref>

Noong Pebrero 22, 2017, inihayag ng mga astronomo ang apat na iba pang mga dayuhan na planeta sa paligid ng Trappist-1. Natuklasan nila ang kabuuang bilang ng mga planeta na nag-oorbit sa bituin ng pitong planeta, kabilang ang hindi bababa sa dalawang planeta, at posibleng lahat ng mga planeta, sa loob ng [[lugar na madaling matutugunan]].<ref>{{site web|url=http://spaceref.com/astronomy/temperate-earth-sized-planets-found-in-extraordinarily-rich-planetary-system-trappist-1.html |title=Temperate Earth-Sized Planets Found in Extraordinarily Rich Planetary System TRAPPIST-1 |date=Pebrero 22, 2017|author= |publisher=SpaceRef |accessdate=Pebrero 22, 2017}}</ref><ref>{{Cite press release|url=https://exoplanets.nasa.gov/news/1419/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star/|title=NASA telescope reveals largest batch of Earth-size, habitable-zone planets around single star|newspaper=Exoplanet Exploration: Planets Beyond our Solar System|accessdate =Pebrero 22, 2017}}</ref>

==Galley==
<gallery mode="packed" heights="130">
File:Comparison between the Sun and the ultracool dwarf star TRAPPIST-1.jpg|TRAPPIST-1 is a smaller (11% the size), fainter and redder star than the [[Sun]].
File:Artist’s impression of the TRAPPIST-1 planetary system.jpg|TRAPPIST-1 planetary system (artist concept)<ref>{{site web|title=Ultracool Dwarf and the Seven Planets – Temperate Earth-sized Worlds Found in Extraordinarily Rich Planetary System|url=https://www.eso.org/public/news/eso1706/|website=www.eso.org|accessdate=}}</ref>
File:Artist's view of planets transiting red dwarf star in TRAPPIST-1 system.jpg|Planets transiting TRAPPIST-1 (artist concept)<ref>{{cite web|title=Artist's view of planets transiting red dwarf star in TRAPPIST-1 system|url=http://www.spacetelescope.org/images/opo1627a/|website=www.spacetelescope.org|4=accessdate|access-date=2019-06-18|archive-date=2018-12-26|archive-url=https://web.archive.org/web/20181226133750/https://www.spacetelescope.org/images/opo1627a/|url-status=dead}}</ref>
File:TRAPPIST-1 and its three planets.jpg|Three planets orbiting TRAPPIST-1 (artist concept).
File:Artist’s impression of the ultracool dwarf star TRAPPIST-1 from the surface of one of its planets.jpg|[[TRAPPIST-1c]] view (artist concept).
</gallery>
<gallery mode="packed" heights="250">
File:PIA21422 - TRAPPIST-1 Planet Lineup, Figure 1.jpg|TRAPPIST-1 planetary system (artist concept).
File:PIA21428 - TRAPPIST-1 Comparison to Solar System and Jovian Moons.jpg|alt=Ssc2017-01g Sm|TRAPPIST-1 system compared to the [[solar system]]; all seven planets of TRAPPIST-1 could fit inside the orbit of [[Mercury (planet)|Mercury]].<ref name="NBC-20170222">{{cite journal |url=http://www.nbcnews.com/mach/space/weird-planetary-system-seems-something-science-fiction-n724136 |title=This Weird Planetary System Seems Like Something From Science Fiction |work=[[NBC News]] |last=Shostak |first=Seth |authorlink=Seth Shostak |date=|accessdate=}}</ref>
</gallery>
<gallery mode="packed" heights="235">
File:Curva de luz de TRAPPIST-1 que muestra los eventos de disminución de la luz causados por el tránsito de los planetas.jpg|thumb|Drops in brightness ([[astronomical transit]]s) of TRAPPIST-1 over 20 days (September/October, 2016; [[Spitzer Space Telescope]] and others) due to the seven planets (noted on the bottom) blocking the star's light.
File:Curvas de luz de los siete planetas de TRAPPIST-1 durante su tránsito.jpg|thumb|Dimming of TRAPPIST-1 due to its seven known planets - large planets, more dimming; distant ones, longer ([[Spitzer Space Telescope]]).
</gallery>

==Magbasa nang higit pa==
{{tham khảo}}

*{{cite web|author=Thomas Levenson|work=[[The Atlantic]]|url=http://www.theatlantic.com/science/archive/2016/05/astronomers-have-found-planets-in-the-habitable-zone/480690/|title=Astronomers Have Found Planets in the Habitable Zone of a Nearby Star|date=ngày 2 tháng 5 năm 2016|accessdate=ngày 31 tháng 7 năm 2016}}

==Mga panlabas na link==
* [https://www.youtube.com/watch?v=HraVXnHyRHI NASA Discovers 7 Planets Orbiting TRAPPIST 1]
* [http://www.trappist.one/ TRAPPIST-1], Planetary system website.
* [http://www.eso.org/public/usa/videos/eso1615a/ ESOcast 83: Ultracool dwarf star with planets (video)] {{Webarchive|url=https://web.archive.org/web/20160611031307/http://www.eso.org/public/usa/videos/eso1615a/ |date=2016-06-11 }}
* [https://www.youtube.com/watch?v=ieJIht3fnVM NASA Briefing on the Discovery of TRAPPIST-1's 7 Planets]

{{TRAPPIST-1}}

[[Kategorya:TRAPPIST-1]]