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La plupart des étoiles symbiotiques présentent des outburts fréquents de 1 à 3 magnitudes. L'origine de ces outburts
Un petit groupe d'étoiles symbiotiques ont subi des phénomènes de type nova.
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SyNe : Symbiotic novae
sN |
Date éruptions |
Max |
V max |
V quiescent |
t1 [y] |
Type |
AG Peg |
1855 |
1871 |
6.0 |
9.0 |
40 |
S |
RT Ser |
1909: |
1923 |
9.5 |
>16 |
7: |
S |
V2110 Oph |
|
1940 |
11: |
|
10: |
D |
RR Tel |
1944.8 |
1945.3 |
6.0 |
14.0 |
9 |
D |
V1329 Cyg |
1964.5 |
1964.8 |
11.5 |
14.0 |
12-20 |
S |
V1016 Cyg |
1964 |
1967 |
10.5 |
15.0 |
130 |
D |
HM Sge |
1975.3 |
1975.7 |
11.0 |
18.0 |
>65 |
D |
PU Vul |
1977 |
1982 |
8.8 |
15.0 |
15-30 |
S |
AS 338 |
1981.5 |
1982.2 |
10.6 |
14.0 |
3 |
S |
FG Ser |
1988.5 |
1988.7 |
9.7 |
12.0 |
5: |
S |
SyRNe : Symbiotic novae as a sub-group of recurrent novae
Parmi les novae récurrentes, un sous-groupe constitué d'étoiles symbiotiques RS Oph, TCrB, V745 Sco, V3890 Sgr.
RN |
Dates éruptions |
Te min |
Te moy |
Te max |
V max |
V min |
Delta V |
t2 |
t3 |
P Orb. |
T Pyx |
1890 1902 1920 1944 1967 |
12 |
19 |
24 |
6.4 |
15.5 |
9.1 |
|
62 |
0.076 |
IM Nor |
1920 2002 |
|
82 |
|
8.5 |
18.3 |
9.8 |
|
80 |
0.102 |
CI Aql |
1917 1941 2000 |
24 |
42 |
59 |
9 |
16.7 |
7.7 |
|
32 |
0.62 |
V2487 Oph |
1900 1998 |
|
98 |
|
9.5 |
17.3 |
7.8 |
|
8 |
1 |
U Sco |
1863 1906 1917 1936 1945 1969 1979 1987 1999 2010 |
8 |
17 |
43 |
7.5 |
17.6 |
10.1 |
2 |
2.6 |
1.23 |
V394 Cra |
1949 1987 |
|
38 |
|
7.2 |
18.4 |
11.2 |
2 |
5.2 |
1.52 |
T CrB |
1866 1946 |
|
80 |
|
2.5 |
9.8 |
7.3 |
3.8 |
6 |
228 |
RS Oph |
1898 1907 1933 1945 1958 1967 1985 2006 2021 |
9 |
15 |
26 |
4.8 |
11 |
6.2 |
6.7 |
14 |
457 |
V745 Sco |
1937 1989 |
|
52 |
|
9.4 |
18.6 |
9.2 |
5 |
9 |
510 |
V3890 Sgr |
1962 1990 |
|
28 |
|
8.1 |
15.5 |
7.4 |
|
14 |
519.7 |
Bibliographie
Classical Novae, second edition
Bode & Evens
Cambridge University Press, 2008
Cataclysmic Variable Stars
B. Warner
Cambridge Astrophysics Series, 1995
Publications
Symbiotic Novae
J. Mikolajewska, 2010, http://arxiv.org/abs/1011.5657v1
The outbursts of Classical and recurrent novae
M.F. Bode, Astron. Nachr., 2009, http://arxiv.org/abs/0911.5254v2
Lessons from and about symbiotic novae
I. Iben, 2003, ASP Conference Series, Vol. 303
Temperatures and luminosity of symbiotic novae
U. Mürset & H. Nussbaumer, Astron. Astrophys., 1994, 282, 586-604
Orbital periods of recurrent novae
Schaefer
A.J., 355: L39-L42, 1990
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