1. From Massive Stars to SNe
title

2. Massive Stars in the HR Diagram
LBV
100 80 WR 60
RSG 40
BSG 30 20
O4 O6 O B B5 A0 F G M1 M5

3. Progenitor of
SN 1987A Sk
B3 I

4. Where the Wild Things Are
Schuster, Humphreys, & Marengo (2006)

5. Interstellar and Circumstellar Bubbles
O star  LBV  WR (60 M)
O star  RSG  WR (35 M)
fast wind slow wind fast wind
km/s km/s km/s
10-7 M/yr M/yr M/yr
  
interstellar circumstellar circumstellar
bubble nebula bubble

6. Math Cheat Sheet for CS Nebulae
1 pc = 2  AU
1 AU = R ~ a few R*
1 km/s  yr = 1 pc
10 km/s  yr = 2 AU

7. VY CMa (M5e Ia) in a CS Nebula
M ~ 2-410-4 M/yr
V ~ 35 km/s
R ~ pc
~ 7300 AU
t ~ 1000 yr
Smith et al .
0.145 pc = 30,000 AU
n ~ 5108 cm-3 at 50 AU, 5104 cm-3 at 5000 AU

8. P Cygni’s Circumstellar Nebula
[N II] 6584 images of P Cygni
O’Connor, Meaburn, & Bryce 1998

9. Eta Carinae’s Circumstellar Nebula
Each lobe ~ 0.2 pc in diameter

10. AG Carinae’s Circumstellar Nebula
CO 10
CO 21
Ionized gas ~ 4 M Molecular gas ~ 3 M
0.9  1.2 pc ; Vexp = 70 km/s
Nota et al. (2002)

11. S119 - a Runaway LBV in the LMC
Diameter 1.8 pc
Vexp = 26 km/s
Running away at 160 km/s from the LMC
Danforth & Chu 2001; Weis et al. 2003

12. NGC O6.5f?p
23 pc along major axis
1015 pc filamenatry shell

13. Sher 25 - Circumstellar Ring and Lobes
NGC3603 
[N II]/Ha ~ 1-2
Ring ~ 0.4 pc
Vexp ~ 20 km/s
Brandner et al. 1997
 Sher 25
B1.5 I

14. National Geographic
1st issue of the
millennium

15. Circumstellar Bubbles of WR Stars
RSG
LBV WR
Interstellar
Bubble
RCW58
RSG
wind
García-Segura, Langer, & Mac Low 1996
68 pc
RCW104
S308
NGC6888
1113 pc
15 pc
46 pc

16. Ready for CSI ? IS Bubble Circumstellar Nebulae O Stars RSG LBV WR
N cm > 104 cm cm cm-3
D a few  10 pc AU pc a few pc
Vexp 15 km/s (LMC)
50 (MW)
Ready for CSI ?

17. Red Supergiant Wind What Do Radio Supernovae Probe?
10000 km/s x 0.3 yr = AU
Chevalier et al. 2006

18. Red Supergiant Wind SN 1997ab narrow P Cygni  n > 107 cm-3
Vexp < 100 km/s
Salamanca et al. 1998 H
Red Supergiant Wind

19. LBV Nebula SN 1978K Vexp < 50 km/s ; a few  105 H-atom cm-3
R = 0.1 pc, SN shock 1000 km/s  100 years
Ryder et al. 1993; Chu et al. 1999
LBV Nebula

20. WR Circumstellar Bubble or LBV Nebula ?
Galactic SNR Cas A
WR Circumstellar Bubble
or LBV Nebula ?
~ 3 pc in diameter

21. Sher 25 - A Galactic Counterpart!?
[N II]/Ha ~ 1-2
Inner ring ~ 0.4 pc
Vexp ~ 20 km/s
NGC3603 
 Sher 25
B1.5 I
Sk –69 202
B3 I

22. CSI: Massive Stars

23. WN WO
LBV WC
RSG/BSG
< M