Visual brightness increases although the overall luminosity is largely unchanged.
2.
Modern measurements show its total visual brightness to be magnitude 4.2.
3.
WR 86 is a binary with two components of equal visual brightness 0.3 " apart.
4.
The bolometric luminosity usually remains constant, which means that visual brightness increases somewhat by a magnitude or two.
5.
The visual brightness of lunar features is expressed in the " Elger's Lunar Albedo Scale ".
6.
The inclination of the orbit means that we do not see eclipses and the visual brightness of the system is quite stable.
7.
The giant primary star is a Mira variable, a star that pulsates and changes temperature, leading to very large visual brightness changes.
8.
The WGSN states that in the case of multiple stars the name should be understood to be attributed to the brightest component by visual brightness.
9.
The Sun is 400 tons of mass annihilation per second so how many Sun's would that peak at ? ( visual brightness ).
10.
In 2016, the International Astronomical Union organized a multiple stars the name should be understood to be attributed to the brightest component by visual brightness.
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