Stellar Parameters

Supergiants/Giants

Star Spectral Type Stellar Radius (Solar Radius) Stellar Mass (Solar Mass) Effective Teperature (K) Log Bolometric Luminosity (Solar Luminosity) Mass Loss Rate (Solar Mass/yr) Terminal Velocity (km/s) ISM Column Denisty (cm^-2)
HD93129AB O2 If* + (2x) O3.5 V((f+)) [1]

21 [2]

20 [4]

19.7 [8]

20 [9]

22.5 [11]

100 [2]

125 [4]

>120 [8]

130 [9]

94.8 [11]

45000 [2]

50500 [4]

52000[8]

50500 [9]

42500 [11]

6.2 [2]

6.35 [4]

6.4 [8]

6.37 [9]

6.17 [11]

1.26e-5 [2]

1.32e-5 [4]

1.8e-5 [8]

2.2e-5 [9]

2.63e-5 [11]

1.44e-5 [12]

3150 [3]

3050 [4]

3200 [8]

3200 [9]

3200 [11]

3900 [12]

2.41e21 [8]
HD150136 O3.5 If* + O6 V [1] 16 [2] 67 [2] 43000 [2] 5.9 [2] 3.98e-6 [2] 3160 [3] 3.60e21 (from extinction)
Zeta Puppis O4 I(n)f [1]

19 [2]

16 [4]

19 [9]

29.7 [10, d=730pc]

18.6 [10, d=460pc]

19.4 [11]

74 [2]

59 [4]

52.5 [9]

53.9 [11]

42000 [2]

42400 [4]

42000 [9]

39000 [10]

39000 [11]

6.0 [2]

5.90 [4]

6.00 [9]

5.90 [11]

5.01e-6 [2]

2.40e-6 [4]

5.9e-6 [9]

1.67e-5 [10, d=730pc]

8.26e-6 [10, d=460pc]

8.80e-6 [11]

4.68e-6 [12]

2485 [3]

2200 [4]

2250 [9]

2250 [10]

2250 [11]

2660 [12]

1.00e20 [5]

7.0e19 [6]

Xi Persei O7.5 III(n)((f)) [1]

11 [2]

12 [4]

25.5 [9]

24.2 [10]

14.0 [11]

34 [2]

31 [4]

59.6 [9]

26.1 [11]

36000 [2]

37500 [4]

36000 [9]

35000 [10]

35000 [11]

5.3 [2]

5.38 [4]

6.0 [9]

5.42 [11]

3.16e-7 [2]

1.29e-6 [4]

3.2e-6 [9]

2.45e-6 [10]

1.08e-6 [11]

1.70e-6 [12]

2330 [3]

2400 [4]

2450 [9]

2450 [10]

2450 [11]

2550 [12]

1.15e21 [5]

2.0e21 [6]

Delta Orionis O9.5 II + B0.5 III [1]

17 [2]

25 [4]

23 [2]

45 [4]

33500 [2]

32900 [4]

5.5 [2]

5.82 [4]

7.94e-7 [2]

1.07e-6 [4]

6.76e-7 [12]

2060 [3]

2000 [4]

2300 [12]

1.51e20 [5]

1.3e20 [6]

Zeta Orionis O9.7 Ib [1]

31 [2,4]

60 [2]

49 [4]

32000 [2]

30900 [4]

6.0 [2]

5.90 [4]

5.01e-6 [2]

2.51e-6 [4]

1.15e-6 [12]

1860 [3]

2100 [4]

2220 [12]

3.02e20 [5]

1.75e20 [6]

Epsilon Orionis B0 Ia [1] 34 [4] 42 [4] 28000 [4] 5.80 [4] 4.07e-6 [4]

1910 [3]

1500 [4]

3.02e20 [5]

1.75e20 [6]

 

Main Sequence/Giants

Star
Spectral Type
Stellar Radius (Solar Radius)
Stellar Mass (Solar Mass)
Effective Teperature (K)
Log Bolometric Luminosity (Solar Luminosity)
Mass Loss Rate (Solar Mass/yr)
Terminal Velocity (km/s)
ISM Column Denisty (cm^-2)
HD93250
O3.5 V((f+)) [1]

19 [2]

18 [9]

15.9 [11]

150 [2]

118 [9]

83.3 [11]

52500 [2]

50500 [9]

46000 [11]

6.4 [2]

6.28 [9]

6.01 [11]

2.51e-5 [2]

4.9e-6 [9]

3.45e-6 [11]

3230 [3]

3250 [9]

3250 [11]

1.82e21 [5]
9 Sagitarii
O4 V((f)) [1]

16 [2,4]

81 [2]

72 [4]

46000 [2]

46400 [4]

6.0 [2]

6.02 [4]

5.01e-6 [2]

2.40e-6 [4]

2750 [3]

2950 [4]

2.19e21 [5]
HD206267
O6.5 V((f)) + O9.5 V [1]
11 [2]
43 [2]
40500 [2]
5.4 [2]

6.31e-7 [2]

6.92e-7 [12]

2745 [3]

3100 [12]

3.90e21 (from extinction)
15 Monocerotis
O7 V((f)) + O9.5 Vn [1]
10 [2,4]

39 [2]

33 [4]

41000 [2]

40100 [4]

5.4 [2]

5.34 [4]

5.01e-7 [2,4]

1.90e-7 [12]

2110 [3]

2300 [4]

2650 [12]

2.22e20 [5]

1.7e20 [6]

Iota Orionis
O9 III + ? [1]

16 [2]

18 [4]

17.9 [10]

39 [2]

36 [4]

32500 [2]

34000 [4]

31400 [10]

5.4 [2]

5.58 [4]

5.01e-7 [2]

3.16e-7 [4]

1.03e-6 [10]

4.68e-7 [12]

2250 [3]

2450 [4]

2300 [10]

2500 [12]

1.99e20 [5]

1.5e20 [6]

Sigma Orionis AB
O9.5 V + B0.5 V [1]
9 [2]
25 [2]
33000 [2]
4.9 [2]

7.94e-8 [2]

7.24e-9 [12]

1300 [12]

3.63e20 [5]

5.0e20 [6]

Beta Crucis
B0.5 III [1]
8.4 [7]
16 [7]
27000 [7]
4.53 [7]
~1e-8 [7]
2000 [7]
1.5e20 [6]

Reference List

[1]-Walborn 2006 (See list of papers for more details)

[2]-Howarth, Ian D. & Prinja, Raman, K. "The Stellar Winds of 203 Galactic O Stars- A Quantitative UV Survey" 1989ApJS...69..527H

[3]-Howarth, Ian D. et al. "Rotational Velocities of 373 OB Stars" 1997MNRAS.284...265H

[4]-Lamers, H.J.G.L.M. & Leitherer, Claus "What are the mass-loss rates of O stars?" 1993ApJ...412..771L

[5]-Shull, J.M. & VanSteenberg, M.E. 1985, "Galactic interstellar abundance surveys with IUE. I - Neutral hydrogen" ApJ, 294, 599

[6]- Savage, Blair D. & Jenkins, Edward B. "A Survey of Local Interstellar Hydrogen from OAO-2 Observations of Lyman-Alpha Absorption" 1972ApJ...172..491S

[7]- Cohen, David H. et al."Chandra Spectroscopy of the Hot Star Beta Crucis and the Discovery of a Pre-Main Sequence Companion" 2008MNRAS.386.1855C

[8]-Taresch, G. et al. "Quantative Analysis of the FUV, UV, and Optical Spectrum of the O3 Star HD93129A" A&A 321,531-548 (1997)

[9]- Puls, J. et al. "O-Star Mass-Loss and Wind Momentum Rates in the Galaxy and the Magellanic Clouds" A&A305, 171-208 (1996)

[10]- Puls, J. et al. "Bright OB Stars in the Galaxy: Constraints on the Radial Stratification of the Clumping Factor in Hot Star Winds from a Combined H-Alpha, IR, and Radio Analysis" 2006A&A...454..625P

[11]- Repoulst, T. et al. "Stellar and Wind Parameters of Galactic O Stars" A&A 415, 349-376 (2004)

[12]- Chelebowski, Tomasz & Garmany, Catharine D. "On Winds and X-Rays of O-Type Stars" ApJ368:241-251 1991 Feb. 10