Projets Spectroscopie 1
Etoiles Symbiotiques

AX Per

 

 

Retour Accueil

 

 

 

AD [2000]
01 36 22.7
 
DE [2000]
+54 15 02.5
 
Mag
9.4 - 13.6
 
   
P Orb [j]    
Spec
M4.5
 
E(B-V)
0.27
[1]
     
     
     
   
       

 

 

 

 

 

 

History
AX Per was discovered by Merill and Humason (1932) during the same survey that discovered CI Cygni. AX Per has a classical symbiotic spectrum with strong TiO bands (M4.5) and intense high ionization emission lines.
Light Curve  

Spectroscopy
Line Identification

 
Spectroscopy
Periodic variations

 

 

Hot component
Cool Component


Nébuleuse  
Ephemeris JDmin = 2436673.3 + 679.9 x E    

Skopal 1991

Outbursts Type Z And || 1978 : mag 9 | 1988-89 : mag 8.6 | 2009 : mag 10.2 | 2012 : mag 10
 
 
 

 

 

 


Spectroscopic survey

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ATel#4265 , 18 Jul 2012, U. Munari, P. Ochner, S. Dallaporta, A. Milani, P. Valisa, A. Siviero, The prototype symbiotic star AX is in outburst

 

 

Publications

Formation of a disk structure in the symbiotic binary AX Persei during its 2007-10 precursor-type activity
A. Skopal & al., 2011, Astron. Astrophys., 536A, 27-27 (2011)
http://arxiv.org/abs/1110.2801

A photometric and spectroscopic study of the eclipsing symbiotic binary AX Persei.
SKOPAL A. & al.
Astron. Astrophys., 367, 199-210 (2001)

Astron. Astrophys., Suppl. Ser., 137, 473-493 (1999)
Spectral classification of the cool giants in symbiotic systems.
MUERSET U. and SCHMID H.M.

Astron. Astrophys., 286, 453-462 (1994)
On the nature of the outburst stage in the symbiotic binary AX Persei.
SKOPAL A.

Astron. J., 103, 579-592 (1992)
On the nature of the symbiotic binary AX Persei.
MIKOLAJEWSKA J. and KENYON S.J.

Acta Astron., 37, 17-28 (1987)
Symbiotic binaries : spectrophotometry of AX Persei.
MIKOLAJEWSKA J. and TIJIMA T.