Denebola hr diagram

  1. The Sun. (Hint: it has Luminosity of 1 and Radius of 1.)
  2. Mira, the reddest star, being a long period variable giant.
  3. Procyon, an F5 star slightly above the main sequence.
  4. Rigel, the most luminous star listed.
  5. Altair, a white (A7) star right on the main sequence.
  6. Capella, a yellow giant.
  7. The three belt stars of Orion being the hottest and bluest stars.
  8. Aldebaran, a "red giant" that is really orange, being spectral type K5, and brighter and larger than other orange giants.
  9. Mirfak (head of Perseus), being an F-type supergiant.
  10. Fomalhaut, the nearest in size to the sun.
  11. Delta Cepheid, the classic Cepheid, being a G0 supergiant.
  12. Polaris, also a cepheid, but with a shorter period than Delta Cephei, and hence near it in the diagram but slightly less luminous.
  13. Sirius, the nearest star included, an A0 star just below the main sequence.
  14. Betelgeuse, the largest red supergiant.
  15. Alcyone, brightest of the Seven Sisters (Pleiades) is a B7 giant, about 10 times the radius of the sun and 1,000 times as luminous.
  16. Deneb, the most distant star first magnitude star, second in luminosity only to Rigel.
  17. Arcturus, the middle of the three orange giants numbered, both in size and luminosity.
  18. The star closest to having exactly 100 times the radius of the sun.
  19. Regulus, type B7, being the bluest star falling exactly on the main sequence.
  20. Spica, bluer than Regulus, a B1 main sequence star.
  21. Antares, red supergiant second in radius only to Betelgeuse.
  22. Vega, an A0 star exactly on the main sequence.
  23. A star greater than 1,000 times the radius of the sun.
  24. Pollux, the smallest of the three orange giants.
  25. The smallest star listed.

Your WebCT ID:

Crab Nebula (M1)
Lagoon Nebula (M8)
Eagle Nebula (M16)
Omega Nebula (M17)
Trifid Nebula (M20)
Dumbbell Nebula (M27)
Andromeda Galaxy (M31)
Triangulum Galaxy (M33)
Orion Nebula (M42)
Praesepe (M44)
Pleiades (M45)
Whirlpool Galaxy (M51)
Ring Nebula (M57)
Sunflower Galaxy (M63)
Black Eye Galaxy (M64)
Bode's Galaxy (M81)
Cigar Galaxy (M82)
Southern Pinwheel Galaxy (M83)
Owl Nebula (M97)
Pinwheel Galaxy (M101)
Sombrero Galaxy (M104)
Messier 106
Cassiopeia A
Coalsack Nebula
Helix Nebula
Butterfly Nebula
Carina Nebula
Heart Nebula
Soul Nebula
Cat's Eye Nebula
Cygnus X-1
Horsehead Nebula
Flame Nebula
Hourglass Nebula
Rosette Nebula
Sagittarius A
Arches Cluster
Quintuplet Cluster
Stephan's Quintet
Omega Centauri
Eskimo Nebula
Blue Flash Nebula
Centaurus A
Large Magellanic Cloud
Tarantula Nebula
Red Spider Nebula
Veil Nebula
Cartwheel Galaxy
Double Cluster
Boomerang Nebula
Monkey Head Nebula
Jewel Box Cluster
Cone Nebula
Christmas Tree Cluster
Fox Fur Nebula
Snowflake Cluster
Prawn Nebula
Supernova SN 2014J
Antennae Galaxies
Eyes Galaxies
Siamese Twins Galaxies
Thor's Helmet
Twin Jet Nebula
Bubble Nebula
Witch Head Nebula
Cat's Paw Nebula
Calabash Nebula
Stingray Nebula
Antlia Dwarf
Boötes I
Flaming Star Nebula
Phantom Streak Nebula
Westerlund 2 and Gum 29
Darth Vader's Galaxy
Condor Galaxy (NGC 6872)
NGC 1277
NGC 1365
NGC 1569
NGC 1679
NGC 6101
NGC 772

Denebola hr diagram

denebola hr diagram


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