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2. Luminous blue variable - Wikipedia

   en.wikipedia.org/wiki/Luminous_blue_variable

   The first luminous blue variable to be identified as a variable star was P Cygni, and these stars have been referred to as P Cygni type variables. The General Catalogue of Variable Stars decided there was a possibility of confusion with P Cygni profiles , which also occur in other types of stars, and chose the acronym SDOR for "variables of the ...

3. List of luminous blue variable stars - Wikipedia

   en.wikipedia.org/wiki/List_of_Luminous_Blue...

   Star system Nebula Median distance Stars in system Spectral type Apparent magnitude (V) Comments and references P Cygni (34 Cygni) 5251±180: 1: B1-2 Ia-0ep: 4.82: The closest luminous blue variable star to Earth V4029 Sagittarii (HD 168607) 6,000 1 B9Ia + 8.12 to 8.29 [4] [5] near the Omega Nebula: V905 Scorpii (HD 160529) 6,100 1 LBV 6.66 [4] [5]

4. List of blue straggler stars - Wikipedia

   en.wikipedia.org/wiki/List_of_Blue_straggler_stars

   Stars Star system Median distance Stars in system Spectral type Apparent magnitude (V) Comments and references Hyades: 5 HD 27482: 151: 1: B8V: The Closest Blue Straggler star to Earth. HD 27130: 153: 1: B8V: Chi Tauri: 153: 1: B9.5V: 71 Tauri: 153: 1: B8V: HD 283579: 153: 1: B9.5V: Coma Star Cluster: 3 13 Comae Berenices: 260 ± 20: 1: A3 V: 5 ...

5. List of most luminous stars - Wikipedia

   en.wikipedia.org/wiki/List_of_most_luminous_stars

   The first list shows a few of the known stars with an estimated luminosity of 1 million L ☉ or greater, including the stars in open cluster, OB association and H II region. The majority of stars thought to be more than 1 million L ☉ are shown, but the list is incomplete. The second list gives some notable stars for the purpose of comparison.

6. Blue supergiant - Wikipedia

   en.wikipedia.org/wiki/Blue_supergiant

   A blue supergiant (BSG) is a hot, luminous star, often referred to as an OB supergiant. They are usually considered to be those with luminosity class I and spectral class B9 or earlier, [ 1 ] although sometimes A-class supergiants are also deemed blue supergiants.

7. File:Blue star.svg - Wikipedia

   en.wikipedia.org/wiki/File:Blue_star.svg

   The following other wikis use this file: Usage on el.wikipedia.org Ιωνικός Νίκαιας (ποδόσφαιρο) Usage on fr.wikipedia.org

8. What College Football Playoff games are today? Breaking down ...

   www.aol.com/college-football-playoff-games-today...

   The College Football Playoff got underway Friday but the main course is spread out through Saturday. Three first-round games will be played across three separate campus sites from State College ...

9. Cygnus OB2-12 - Wikipedia

   en.wikipedia.org/wiki/Cygnus_OB2-12

   Cygnus OB2 #12 is an extremely luminous blue hypergiant with an absolute bolometric magnitude (all electromagnetic radiation) of −10.9, among the most luminous stars known in the galaxy. This makes the star nearly two million times more luminous than the Sun, although estimates were even higher when the star was first discovered.