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{{Cluster
| name = [[Objek Messier|Messier]] 50
| image = [[Berkas:M50aCanis Major constellation map.jpgsvg|250px]]
| caption = Messier 50 dapat ditemukan pada 8° utara dan 3° timur [[Sirius]]
| epoch = [[J2000]]
| class = II,3,m▼
| constellation = [[Monoceros]]
▲| class = II,3,m
| ra = 07<sup>h</sup>&nbsp;03.2<sup>m</sup>
| ra = {{RA|07|02|47.5}}<ref name=Frolov2012/>
| dec = &minus;08° 20&prime;
| dec = {{DEC|−08|20|16}}<ref name=Frolov2012/>
| dist_ly = 3.2 [[tahun cahaya|kly]]
| dist_ly = {{Convert|881|pc|ly|order=flip|abbr=on|lk=on}}<ref name=kharchenko2005/>
| dist_pc = 1 kpc
| appmag_v = 5.,9<ref name=Thompson2007/>
| size_v = {{Val|16.0&prime;|ul=arcminute}}<ref name=Thompson2007/>
| mass_msol = > 285<ref name=Claria1998/>
| mass_kg =
| radius_ly = {{convert|2.73|pc|ly|order=flip|abbr=on}}<ref name=Claria1998/>
| mass_msol =
| age = 140<ref name=Frolov2012/> Myr
| radius_ly = 10
| v_hbnotes =
| names = [[ObjekC Messier|M]]0700-082, 50M50, [[New General Catalogue|NGC]] 2323, OCl 559<ref name=SIMBAD/>▼
| age = 78 juta tahun
| notes =
▲| names = [[Objek Messier|M]] 50, [[New General Catalogue|NGC]] 2323
}}
 
'''Messier 50''' (juga dikenal sebagaiatau '''M50M 50''', ataudikenal juga sebagai '''NGC 2323'''), adalah sebuah [[gugus bintang|gugusterbuka]] [[gugus terbuka|terbukabintang]] yang terletak di [[rasi bintang]] [[Monoceros]]. Gugus bintang ini mungkin ditemukantercatat oleh [[Giovanni Domenico Cassini|GDG. D. Cassini]] sebelum tahun [[1711]] dan independensecara terpisah ditemukan oleh [[Charles Messier]] pada tahun5 April [[1772]]. M50ketika berjarak sekitar 3.000 tahun cahaya darimengobservasi [[BumiKomet Biela]]. GalaksiGugus ini digambarkanacapkali dideskripsikan "berbentuk 'hati"' atau mata panah yang tumpul.<ref name=Thompson2007/>
 
M50 berjarak sekitar 3.000 [[tahun cahaya]] dari [[Bumi]]<ref name=kharchenko2005/> dan terletak di dekat sudut [[Kinematika bintang|asosiasi OB1]] [[Canis Major|CMa]].<ref name=Claria1998/> Gugus ini memiliki radius inti sebesar {{convert|1.8|pc|ly|abbr=on|order=flip}}<ref name=Sharma2008/> dan rentangan sebesar {{convert|5.46|pc|ly|order=flip|abbr=on}}.<ref name=Claria1998/> Gugus ini memiliki 508 anggota terkonfirmasi dengan massa kombinasi lebih dari {{Val|285|ul=solar mass}}, dengan kepadatan bintang sebesar 1,3 bintang per kubik parsec.<ref name=Claria1998/> Gugus ini berusia sekitar140 juta tahun,<ref name=Frolov2012/> denagn dua [[katai putih]] bermassa tinggi<ref name=Cummings2016/> dan dua [[bintang khas secara kimia]].<ref name=Paunzen2014/>
 
== Galeri ==
{| class=wikitable width=500
|[[Berkas:M50a.jpg|jmpl]]<br>Messier 50
|[[Berkas:Sirius Mirzam M41.jpg|jmpl]]<br>[[Sirius]] dan [[Messier 41|M41]] (kanan bawah), M50 (kiri atas), dan [[NGC 2360]] (kiri bawah)
|}
 
== Referensi ==
{{reflist|refs=
 
<ref name=SIMBAD>{{cite simbad | title=M 50 | access-date=November 27, 2018 }}</ref>
 
<ref name=Claria1998>{{citation
| title=Photometric study of the open cluster NGC 2323
| last1=Claria | first1=J. J. | last2=Piatti | first2=A. E.
| last3=Lapasset | first3=E. | display-authors=1
| journal=Astronomy and Astrophysics Supplement
| volume=128 | pages=131–138 | date=February 1998
| doi=10.1051/aas:1998130 | bibcode=1998A&AS..128..131C }}</ref>
 
<ref name=Sharma2008>{{citation
| title=Mass Functions and Photometric Binaries in Nine Open Clusters
| last1=Sharma | first1=Saurabh | last2=Pandey | first2=A. K.
| last3=Ogura | first3=K. | last4=Aoki | first4=T.
| last5=Pandey | first5=Kavita | last6=Sandhu | first6=T. S.
| last7=Sagar | first7=R. | display-authors=1
| journal=The Astronomical Journal
| volume=135 | issue=5 | pages=1934–1945 | date=May 2008
| doi=10.1088/0004-6256/135/5/1934 | postscript=.
| bibcode=2008AJ....135.1934S | arxiv=0803.0122 }}</ref>
 
<ref name=Paunzen2014>{{citation
| title=Photoelectric search for peculiar stars in open clusters. XV. Feinstein 1, NGC 2168, NGC 2323, NGC 2437, NGC 2547, NGC 4103, NGC 6025, NGC 6633, Stock 2, and Trumpler 2
| last1=Paunzen | first1=E. | last2=Netopil | first2=M.
| last3=Maitzen | first3=H. M. | last4=Pavlovski | first4=K.
| last5=Schnell | first5=A. | last6=Zejda | first6=M.
| journal=Astronomy & Astrophysics | display-authors=1
| volume=564 | id=A42 | pages=8 | date=April 2014
| doi=10.1051/0004-6361/201423521 | postscript=.
| bibcode=2014A&A...564A..42P | arxiv=1403.3538 }}</ref>
 
<ref name=Cummings2016>{{citation
| title=Two Massive White Dwarfs from NGC 2323 and the Initial-Final Mass Relation for Progenitors of 4 to 6.5 M
| last1=Cummings | first1=Jeffrey D. | last2=Kalirai | first2=Jason S.
| last3=Tremblay | first3=P. -E. | last4=Ramirez-Ruiz | first4=Enrico
| journal=The Astrophysical Journal | display-authors=1
| volume=818 | issue=1 | id=84 | pages=13 | date=February 2016
| doi=10.3847/0004-637X/818/1/84 | postscript=.
| bibcode=2016ApJ...818...84C | arxiv=1601.03053 }}</ref>
 
<ref name=Thompson2007>{{citation
| title=Illustrated Guide to Astronomical Wonders: From Novice to Master Observer
| first1=Robert | last1=Thompson | first2=Barbara | last2=Thompson
| series=DIY science | publisher=O'Reilly Media, Inc.
| year=2007 | isbn=0596526857 | page=321
| url=https://books.google.com/books?id=ymt9nj_uPhwC&pg=PA321 }}</ref>
 
<ref name=kharchenko2005>{{Citation
| last1=Kharchenko | first1=N. V. | last2=Piskunov | first2=A. E.
| last3=Röser | first3=S. | last4=Schilbach | first4=E.
| last5=Scholz | first5=R.-D. | display-authors=1
| title=Astrophysical parameters of Galactic open clusters
| journal=Astronomy and Astrophysics
| volume=438 | issue=3 | pages=1163 | year=2005
| bibcode=2005A&A...438.1163K | arxiv=astro-ph/0501674
| doi=10.1051/0004-6361:20042523 | postscript=. }}</ref>
 
<ref name=Frolov2012>{{citation
| title=Investigation of the open star cluster NGC 2323 (M50) based on the proper motions and photometry of its constituent stars
| last1=Frolov | first1=V. N. | last2=Ananjevskaja | first2=Yu. K.
| last3=Polyakov | first3=E. V. | display-authors=1
| journal=Astronomy Letters | postscript=.
| volume=38 | issue=2 | pages=74–86 | date=February 2012
| doi=10.1134/S106377371202003X | bibcode=2012AstL...38...74F }}</ref>
 
}}
 
== Pranala luar ==
{{Commons category|Messier 50}}
{{portal|astronomi}}
* [http://www.seds.org/messier/m/m050.html Messier 50, SEDS Messier pages] {{Webarchive|url=https://web.archive.org/web/20110810031950/http://www.seds.org/messier/m/m050.html |date=2011-08-10 }}
* [http://www.waid-observatory.com/m050-2006-04-07.html M50 Image by Waid Observatory]
* {{APOD |date=28 January 1997|title=Open Cluster M50}}
* {{WikiSky}}
{{Sky|07|03.2|00|−|08|20|00|3200}}
 
{{Objek Messier}}
{{astronomibintang-stub}}
 
[[Kategori:Gugus terbuka]]
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