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400 bytes added ,  13:35, December 29, 2017
Expand infobox with more details and references
Line 5: Line 5:  
| rightascension  =00<sup>h</sup> 42<sup>m</sup> 44.3<sup>s</sup>  
 
| rightascension  =00<sup>h</sup> 42<sup>m</sup> 44.3<sup>s</sup>  
 
| declination    =+41° 16′ 9″
 
| declination    =+41° 16′ 9″
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| constellation  =Andromeda
+
| constellation  =[[Andromeda]]
−
| type            =spiral galaxy  
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| type            =[[Spiral galaxy]]
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| magnitude      =3.44  
+
| dimensions      =190x60'<ref name=messier-objects>[http://www.messier-objects.com/messier-31-andromeda-galaxy/ ]</ref>
−
| redshift        =-0.001000 ± 0.000013
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| magnitude      =Apparent Mag: +3.44<ref name=messier-objects/><br/>Absolute Mag: -21.5<ref name=messier-objects/>
−
| distance        =2.5&nbsp;million light years
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| redshift        =-0.001000±0.000013<ref name=simbad>[http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Andromeda+galaxy&submit=submit+id M31] from simbad.u-strasbg.fr</ref>
−
| radvelocity    =−301 ± 1 km/s
+
| distance        =2.54&nbsp;million light years<ref name=messier-objects/>
 +
| radvelocity    =−300.0±4.0 km/s<ref name=simbad/>
 
| propmotion      =
 
| propmotion      =
 
| parallax        =
 
| parallax        =
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