HD 209458 b
{{WD Kishtey Fys Red Rollageydagh
|jalloo = HD_209458_b.png
|fo-heidyl = Reayrt ellynagh er HD 209458 b
|feddyn_magh = 9 Mean Fouyir 1999
|fowder = [[David Charbonneau|D. Charbonneau]]<br/>[[Timothy Brown (rollageyder)|T. Brown]]<br/>David Latham<br/>[[Michel Mayor|M. Mayor]]<br/>[[Gregory W. Henry|G. W. Henry]]<br/>[[Geoffrey Marcy|G. Marcy]]<br/>[[R. Paul Butler|R. P. Butler]]<br/>[[Steven S. Vogt|S. S. Vogt]]
}}
She [[planaid neughrianagh]] eh '''HD 209458 b'''. T'eh cruinlaghey y [[cosoylaght ghreiney|chosoylaght ghreiney]] [[HD 209458]] 'sy cho-hollys rollageagh [[Pegasus (co-hollys rollageagh)|Pegasus]], mysh 157 [[sollys-vlein|sollys-vleeantyn]] (48 [[parsec]]yn) voish [[Corys ny Greiney]]. Ta craue raadeeoil cruinlagh y phlanaid 0.047 [[Unnid rollageagh|AU]] (7.0 millioonyn km; 4.4 millioonyn dy veeilaghyn), ny mysh un hoghtoo jeh craue raadeeoil cruinlagh [[Curain|Churain]] (0.39 AU (36 millioonyn mi; 58 millioonyn km)). Ta craue raadeeoil veg y chruinlagh shoh jannoo blein ta 3.5 laaghyn dowanagh er lhiurid as tempreilys eaghtyragh ta oolit er 1,000 °C (1,800 °F; 1,300 [[Kelvin|K]]). Rere glout, t'eh mysh 220 keayrtyn ny smoo na glout y Dowan (0.69 gloutyn [[Jupiter]]) as ta e howse-lhieenee mysh 2.5 cheayrt ny smoo na Jupiter. Ta'n glout as y towse-lhieenee mooar taishbyney dy nee [[foawr gas]] eh HD 209458 b.

Ta HD 209458 b er ny gheddyn ram claghyn meeiley 'sy ronsaghey magh neughrianagh. She eshyn va'n chied phlanaid ayns ram ronnaghyn:
* planaid neughrianagh [[tessenagh rollageaydagh|tessenagh]]
* y chied phlanaid ve feddynit liorish ny smoo na un aght
* planaid neughrianagh as fys ain dy vel [[aeraght]] echey
* planaid neughrianagh ren shin fakin aeraght [[hiddragien]] gaalaghey
* planaid neughrianagh as aeraght echey lesh ny bunstooghyn [[ocsygien]] as [[carboan]]
* nane jeh'n chied daa phlanaid neughrianagh ve fakinit trooid [[spectroscoipaght]]
* y chied oawr gas neughrianagh as towshan jeant er e sterrym mooar
* y chied phlanaid neughrianagh ren shin towshan e vieauid chruinlee, reaghey e ghlout dy jeeragh

Bunnit er obbraghey ny kiaddaghyn sheiltynagh s'noaee, roish Averil 2007, t'eh oolit dy nee HD 209458 b y chied phlanaid neughrianagh ve feddynit magh as [[gaal ushtey]] 'syn aeraght echey.<ref>{{cite web |url=http://www.reuters.com/article/scienceNews/idUSN1043498020070411 |title=Signs of water seen on planet outside solar system |last=Dunham |first=Will |publisher=[[Reuters]] |date=10 Averil 2007 |accessdate=16 Sauin 2023 |language=Baarle |archivedate=2007-05-15 |archiveurl=https://web.archive.org/web/20070515224521/http://www.reuters.com/article/scienceNews/idUSN1043498020070411 }}</ref>

Ayns Jerrey Souree 2014, ren NASA fogrey magh dy ren ad feddyn magh [[Planaid neughrianagh#Aeraght|aeraghtyn]] çhirrym er HD 209458&nbsp;b as er daa phlanaid neughrianagh elley ([[HD 189733&nbsp;b]] as [[WASP-12b]]) ta cruinlaghey rollageyn gollrish y Ghrian.

Va'n far-ennym "Osiris" currit da HD 209458 b ass [[Osiris|y jee Egyptagh]]. Ren yn [[Unnaneys Rollageydagh Eddyrashoonagh]] goaill rish yn 'ar-ennym shen, agh cha nel eh er ny ve doltit foast myr [[Rolley enmyn kiart ny planaidyn neughrianagh|ennym kiart oikoil]].

==Imraaghyn==
{{rolleyimraaghyn}}

==Kianglaghyn magh==
{{Commons category|HD 209458 b}}
* {{cite web |url=http://www.spacetelescope.org/news/html/heic0303.html |title=European astronomers observe first evaporating planet |access-date=2008-06-28 |work=[[Hubble Space Telescope]] |publisher=[[ESA]]/[[NASA]] |date=2003-03-12 |archive-date=2008-07-07 |archive-url=https://web.archive.org/web/20080707002649/http://www.spacetelescope.org/news/html/heic0303.html |url-status=dead }}
* [https://www.nasa.gov/press/2014/july/hubble-finds-three-surprisingly-dry-exoplanets/ Hubble Finds Three Surprisingly Dry Exoplanets]
* {{cite web |url=https://www.newscientist.com/article.ns?id=dn7186 |title=Glow of alien planets glimpsed at last |access-date=2008-06-28 |work=NewScientist |date=2005-03-22 |first=Jenny |last=Hogan }}
* {{cite web |url=http://hubblesite.org/newscenter/archive/releases/2001/38/text |title=Hubble Makes First Direct Measurements of Atmosphere on World Around another Star |access-date=2008-06-28 |work=[[Hubble Space Telescope]] |publisher=[[NASA]] |date=2001-11-27 }}
* {{cite web |url=https://www.newscientist.com/article.ns?id=dn4634 |title=Oxygen seen streaming off exoplanet |access-date=2008-06-28 |work=NewScientist |date=2004-02-03 |first=Maggie |last=McKee }}
* {{cite web |url=http://www.jpl.nasa.gov/news/news.cfm?release=2005-050 |title=NASA's Spitzer Marks Beginning of New Age of Planetary Science |access-date=2008-06-28 |work=[[Jet Propulsion Laboratory]] |publisher=[[NASA]] |date=2005-03-22 |archive-date=2008-09-21 |archive-url=https://web.archive.org/web/20080921132238/http://www.jpl.nasa.gov/news/news.cfm?release=2005-050 |accessdate=2023-11-17 |archivedate=2008-09-21 |archiveurl=https://web.archive.org/web/20080921132238/http://www.jpl.nasa.gov/news/news.cfm?release=2005-050 }}
* {{cite web |url=http://www.spacetelescope.org/news/html/heic0403.html |title=Oxygen and carbon discovered in exoplanet atmosphere 'blow-off' |access-date=2008-06-28 |work=[[Hubble Space Telescope]] |publisher=[[ESA]]/[[NASA]] |date=2004-02-02 |archive-date=2009-04-27 |archive-url=https://web.archive.org/web/20090427160731/http://www.spacetelescope.org/news/html/heic0403.html |url-status=dead }}
* {{cite journal |url=http://www.nature.com/news/2005/050321/full/news050321-9.html |title=Light from alien planets confirmed |access-date=2008-06-28 |journal=Nature |date=2005-03-23 |first=Mark  |last=Peplow |pages=news050321–9 |doi=10.1038/news050321-9 }}
* [https://web.archive.org/web/20041028011426/http://www.aavso.org/vstar/vsots/fall04.shtml AAVSO Variable Star Of The Season. Fall 2004: The Transiting Exoplanets HD 209458 and TrES-1] {{Webarchive|url=https://web.archive.org/web/20041028011426/http://www.aavso.org/vstar/vsots/fall04.shtml |date=2004-10-28 }}

{{Speyr|22|03|10.8||18|53|04|154}}

{{Gurneil eaghtyrys}}
[[Ronney:Reddyn rollageydagh feddynit magh 'sy vlein 1999]]
[[Ronney:Planaidyn foawragh]]
[[Ronney:Jupiteryn çheh]]
[[Ronney:Pegasus (co-hollys rollageagh)]]
[[Ronney:Planaidyn neughrianagh tessenagh]]
[[Ronney:Planaidyn neughrianagh feddynit magh liorish bieauid raadeeoil]]
[[Ronney:Planaidyn neughrianagh as enmyn kiart oc]]
She planaid neughrianagh eh HD 209458 b. T'eh cruinlaghey y chosoylaght ghreiney HD 209458 'sy cho-hollys rollageagh Pegasus, mysh 157 sollys-vleeantyn (48 parsecyn) voish Corys ny Greiney. Ta craue raadeeoil cruinlagh y phlanaid 0.047 AU (7.0 millioonyn km; 4.4 millioonyn dy veeilaghyn), ny mysh un hoghtoo jeh craue raadeeoil cruinlagh Churain (0.39 AU (36 millioonyn mi; 58 millioonyn km)). Ta craue raadeeoil veg y chruinlagh shoh jannoo blein ta 3.5 laaghyn dowanagh er lhiurid as tempreilys eaghtyragh ta oolit er 1,000 °C (1,800 °F; 1,300 K). Rere glout, t'eh mysh 220 keayrtyn ny smoo na glout y Dowan (0.69 gloutyn Jupiter) as ta e howse-lhieenee mysh 2.5 cheayrt ny smoo na Jupiter. Ta'n glout as y towse-lhieenee mooar taishbyney dy nee foawr gas eh HD 209458 b.

Ta HD 209458 b er ny gheddyn ram claghyn meeiley 'sy ronsaghey magh neughrianagh. She eshyn va'n chied phlanaid ayns ram ronnaghyn:
 planaid neughrianagh tessenagh
 y chied phlanaid ve feddynit liorish ny smoo na un aght
 planaid neughrianagh as fys ain dy vel aeraght echey
 planaid neughrianagh ren shin fakin aeraght hiddragien gaalaghey
 planaid neughrianagh as aeraght echey lesh ny bunstooghyn ocsygien as carboan
 nane jeh'n chied daa phlanaid neughrianagh ve fakinit trooid spectroscoipaght
 y chied oawr gas neughrianagh as towshan jeant er e sterrym mooar
 y chied phlanaid neughrianagh ren shin towshan e vieauid chruinlee, reaghey e ghlout dy jeeragh

Bunnit er obbraghey ny kiaddaghyn sheiltynagh s'noaee, roish Averil 2007, t'eh oolit dy nee HD 209458 b y chied phlanaid neughrianagh ve feddynit magh as gaal ushtey 'syn aeraght echey.

Ayns Jerrey Souree 2014, ren NASA fogrey magh dy ren ad feddyn magh aeraghtyn çhirrym er HD 209458 b as er daa phlanaid neughrianagh elley (HD 189733 b as WASP-12b) ta cruinlaghey rollageyn gollrish y Ghrian.

Va'n far-ennym "Osiris" currit da HD 209458 b ass y jee Egyptagh. Ren yn Unnaneys Rollageydagh Eddyrashoonagh goaill rish yn 'ar-ennym shen, agh cha nel eh er ny ve doltit foast myr ennym kiart oikoil.

Imraaghyn

Kianglaghyn magh

 
 Hubble Finds Three Surprisingly Dry Exoplanets
 
 
 
 
 
 
 AAVSO Variable Star Of The Season. Fall 2004: The Transiting Exoplanets HD 209458 and TrES-1 

Ronney:Reddyn rollageydagh feddynit magh 'sy vlein 1999
Ronney:Planaidyn foawragh
Ronney:Jupiteryn çheh
Ronney:Pegasus (co-hollys rollageagh)
Ronney:Planaidyn neughrianagh tessenagh
Ronney:Planaidyn neughrianagh feddynit magh liorish bieauid raadeeoil
Ronney:Planaidyn neughrianagh as enmyn kiart oc