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Plot the absolute magnitude on the y-axis and the spectral class on the x-axis. Since the spectral class is qualitative, convert it to a quantitative
Plot the absolute magnitude on the y-axis and the spectral class on the x-axis. Since the spectral class is qualitative, convert it to a quantitative measure by assigning numerical values to each class (e.g., O=1, B=2, A=3, F=4, G=5, K=6, M=7).
Bright Stars (plot with color BLUE):
- Sirius A: A1, +1.4 mag ? (3, 1.4)
- Sirius B: B8, +11.5 mag ? (9, 11.5)
- Canopus: F0, -3.1 mag ? (4, -3.1)
- Centaurus A: G2, +4.4 mag ? (5, 4.4)
- Centaurus B: K5, +5.8 mag ? (7, 5.8)
- Arcturus: K2, -0.3 mag ? (6.4, -0.3)
- Vega: A0, +0.5 mag ? (3, 0.5)
- Capella A: G0, -0.7 mag ? (5, -0.7)
- Capella B: M0, +9.5 mag ? (7, 9.5)
- Capella C: M5, +13 mag ? (7.5, 13)
- Rigel A: B8, -6.8 mag ? (9, -6.8)
- Rigel B: B9, -0.4 mag ? (9.5, -0.4)
- Procyon A: F5, +2.7 mag ? (4.2, 2.7)
- Procyon B: F0, +13 mag ? (9, 13)
- Achernar: B5, -1 mag ? (8.5, -1)
- Beta Centauri A: B1, -4.1 mag ? (9.3, -4.1)
- Betelgeuse: M2, -5.5 mag ? (7.2, -5.5)
- Altair: A7, +2.2 mag ? (3.2, 2.2)
- Spica A: B1, -3.6 mag ? (9.3, -3.6)
- Spica B: B2, -2.9 mag ? (9.2, -2.9)
- Pollux: K0, +0.08 mag ? (6.8, 0.08)
- Fomalhaut A: A3, +2 mag ? (3.3, 2)
- Fomalhaut B: K4, +7.3 mag ? (6.7, 7.3)
- Deneb: A2, -6.9 mag ? (3.1, -6.9)
- Beta Crucis A: B0, -4.6 mag ? (9.1, -4.6)
- Beta Crucis B: B3, -3.5 mag ? (9.3, -3.5)
- Castor A: A1, +2.1 mag ? (3, 2.1)
- Castor B: A5, +2.9 mag ? (3.7, 2.9)
- Castor C: K6, +8.8 mag ? (6.6, 8.8)
- Shaula: B1, -3.3 mag ? (9.3, -3.3)
- Bellatrix: B2, -4.2 mag ? (9.2, -4.2)
Near Stars (plot with color RED):
- Sun: G2, +4.8 mag ? (5, 4.8)
- Centauri A: G2, +4.4 mag ? (5, 4.4)
- Centauri B: K5, +5.8 mag ? (7, 5.8)
- Centauri C: M5, +15 mag ? (7.5, 15)
- Lalande 21185: M2, +10.5 mag ? (7, 10.5)
- Sirius A: A1, +1.4 mag ? (3, 1.4)
- Sirius B: B8, +11.5 mag ? (9, 11.5)
- Struve 2398: M4, +11.1 mag ? (7.2, 11.1)
- Struve 23948: M5, +11.9 mag ? (7.5, 11.9)
- Lacaille 9352: M2, +9.6 mag ? (7, 9.6)
- Ross 154: M4, +13.3 mag ? (7.2, 13.3)
- Ross 248: M5, +14.7 mag ? (7.5, 14.7)
- Epsilon Eridani: K2, +6.1 mag ? (6.2, 6.1)
- Luyten: M5, +14.7 mag ? (7.5, 14.7)
- Ross 128: M5, +13.8 mag ? (7.5, 13.8)
- 61 Cygni A: K5, +7.5 mag ? (6.5, 7.5)
- 61 Cygni B: K7, +8.3 mag ? (6.7, 8.3)
- Epsilon Indi: K5, +7 mag ? (6.5, 7)
- Tau Ceti: G8, +5.7 mag ? (5.2, 5.7)
- Groom 34 A: M1, +10.5 mag ? (7, 10.5)
- Groom 34 B: M6, +13.2 mag ? (7.4, 13.2)
- Lacaille 8760: M0, +8.7 mag ? (7, 8.7)
- Krueger 60 A: M3, +11.8 mag ? (7.1, 11.8)
- Krueger 60 B: M4, +13.4 mag ? (7.3, 13.4)
- Ross 614: M5, +13.1 mag ? (7.5, 13.1)
- BD +5 1668: M4, +11.9 mag ? (7.3, 11.9)
- Kapteyn's Star: M0, +8.7 mag ? (7, 8.7)
- BD -12 4523: M4, +12 mag ? (7.3, 12)
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