ချားရဟတ် ဂလက်ဆီ: တည်းဖြတ်မှု မူကွဲများ
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စာကြောင်း ၁ -
{{Sky|14|03|12.6|+|54|20|57}}
{{Infobox
| name = Pinwheel Galaxy
| image = [[File:M101 hires STScI-PRC2006-10a.jpg|300px]]
| epoch = [[Epoch (astronomy)#Julian years and J2000|J2000]]
| ra = {{RA|14|03|12.6}}
| dec = {{DEC|+54|20|57}}
| type = SAB(rs)cd
| z = ၀.၀၀၀၈၀၄
| h_radial_v = {{nowrap|၂၄၁ ± ၂ [[Metre per second|km/s]]}}
| dist_ly = ၂၀.၀ ± ၁.၈ M[[အလင်းနှစ်|ly]] (၆.၄ ± ၀.၅ M[[parsec|pc]])
| title = SIMBAD Astronomical Databse▼
| appmag_v = ၇.၈၆
| work = Results for NGC 5457▼
| size_v = 28′.8 × 26′.9
| url = http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+5457&submit=SIMBAD+search }}</ref>▼
| size = ~၁၇၀,၀၀၀ ly in diameter<ref>http://www.nasa.gov/multimedia/imagegallery/image_feature_2265.html#.VIX5BWf0DDE NASA/CXC/SAO; IR & UV: NASA/JPL-Caltech; Optical: NASA/STScI</ref>
▲| constellation_name = [[အာရှာ မေဂျာ]]<ref name=simb />
| stars = ၁ ထရီလီယံ (၁၀<sup>၁၂</sup>)
<ref name=ned>{{cite web▼
| notes =
| title = NASA/IPAC Astronomical Database▼
| names = [[Messier object|Messier]] 101, M101, [[New General Catalogue|NGC]] 5457, [[Uppsala General Catalogue|UGC]] 8981, [[Principal Galaxies Catalogue|PGC]] 50063, [[Atlas of Peculiar Galaxies|Arp]] 26
| references = <ref name="ned">
| url = http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+5457&extend=no }}</ref>▼
▲ | url
| accessdate=2006-12-06
{{cite journal
|last=Shappee
|first=Benjamin
|author2=Stanek, Kris
|title=A New Cepheid Distance to the Giant Spiral M101 Based on Image Subtraction of Hubble Space Telescope/Advanced Camera for Surveys Observations
|journal=Astrophysical Journal
|date=June 2011
|volume=733
|issue=2
|pages=124
|doi=10.1088/0004-637X/733/2/124
|bibcode = 2011ApJ...733..124S |arxiv = 1012.3747 }}</ref><ref name="sinnott1988">
{{cite book
| editor=R. W. Sinnott
| title=The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer
| date=1988
| publisher=Sky Publishing Corporation / Cambridge University Press
| isbn=0-933346-51-4
}}</ref><ref name=ned-dist>
{{cite web
| title=Distance Results for Messier 101
| work=NASA/IPAC Extragalactic Database
|url=http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=MESSIER+101
| accessdate=2010-05-01
}}</ref><ref name="SIMBAD-M101">
{{cite web
|title=SIMBAD-M101
▲ | url
| accessdate=2009-11-29
}}</ref><ref name=GAXEL>
{{cite journal
|last=Armando |first=Gil de Paz
|display-authors=4
|author2=Boissier |author3=Madore |author4=Seibert |author5=Boselli |author6= et al.
| title=The GALEX Ultraviolet Atlas of Nearby Galaxies
| journal=Astrophysical Journal Supplement
| volume=173
|issue=2 |pages=185–255 | date=2007
| arxiv=astro-ph/0606440
| doi=10.1086/516636
| bibcode=2007ApJS..173..185G
}}</ref>
}}
'''ချားရဟတ် ဂလက်ဆီ''' (ပုံမှန်အားဖြင့် NGC 5457 သို့မဟုတ် M31 ဟုခေါ်ဆို) သည် ကမ္ဘာမြေမှ [[အလင်းနှစ်]] ၂၁ [[မီလီယံ]] ကွာဝေးသော [[အာရှာ မေဂျာ]] [[ကြယ်စုတန်း]]မှ ခရုပတ်ပုံစံ ဂလက်ဆီဖြစ်သည်။ ယင်းအား Pierre Mechàin ဆိုသူမှ ရှာဖွေတွေ့ရှိခဲ့သည်။<ref>{{cite web|title = Messier 101 - M101 - The Pinwheel Galaxy (Spiral Galaxy)|work = Characteristics of M101|url = http://freestarcharts.com/messier-101}}</ref> သို့သော်
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