Editing Summer Triangle (section)

==The stars of the Summer Triangle==
Both Altair and Vega are bluish-white, rapidly-rotating A-type main sequence stars in the local neighbourhood of the sun. However, Deneb is a white supergiant star over 100 times as distant, and one of the most luminous stars in the entire galaxy.
{| class="wikitable"
!Name
!Constellation
![[Apparent magnitude]]
!Luminosity<br/>({{solar luminosity|link=y}})
![[Stellar classification|Spectral type]]
!Distance<br/>([[light year]]s)
!Radius<br/>({{solar radius|link=y}})
|-
![[Vega]]
|[[Lyra]]||0.03||52||A0 V||25||2.36 to 2.82
|-
![[Deneb]]
|[[Cygnus (constellation)|Cygnus]]||1.25||200,000||A2 Ia||3550||203 ± 17
|-
![[Altair]]
|[[Aquila (constellation)|Aquila]]||0.77||10||A7 V||16.6||1.63 to 2.03
|}