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                  | AD [2000] | 07 31 54.5 |  
                  | DE  [2000] | +24 30 12.5 |  
                  | Mag | 7,9 [7,4-7,9]  |  
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                  | P Orb [j] |  |  
                  | Spec | C6.2 |  
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 Courbe luminosité AAVSO    ___ Observations 2013 _____________________________________________________________________________________________________________________________   ___ Observations 2011  _____________________________________________________________________________________________________________________________ 
          
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                  |  |  
                  | mag V  | 8.6 |  
                  | Phase ph |  |  
                  | date | 06-04-2012 |  
                  | heure TU | 20 :16  |  
                  | exp |  8 x 300 sec |  
                  | binning | 1 |    |      
          
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                | 2009 dec 26  |  
                | mag V  |  |  
                | date | 12 26  2009  |  
                | heure TU | 00:51 |  
                | exp | 4x600 s  |  
                | binning | 1 |  |  
            |  |  | 
              
                | 2010 mar 09  |  
                | mag V | ~8 |  
                | date | 09 03   2009  |  
                | heure TU |  |  
                | exp | 6x600 s  |  
                | binning | 1 |  |  
            |  |  | 
              
                | 2010 mar 16  |  
                | mag V | ~8 |  
                | date | 16 03   2009  |  
                | heure TU |  |  
                | exp | 4x600 s  |  
                | binning | 1 |  |  
            |  |  | 
              
                | 2010 avr 15  |  
                | mag V | 8,2 |  
                | date | 15 03   2009  |  
                | heure TU |  |  
                | exp | 8x300 s  |  
                | binning | 1 |  |  
            |  |  | 
              
                | 2010 avr 30  |  
                | mag V |  |  
                | date | 30 03   2009  |  
                | heure TU |  |  
                | exp | 8x300 s  |  
                | binning | 1 |  |  
            |  |  |  |    
          
         
      
      
      
       
      
                  Comparaison spectres du 9 et 16 mars 2010  
       Bibliographie 
        The symbiotic starsS.J. Kenyo, Cambridge University Press, 1986, 2008
 Publications 
        A Moderate-Resolution Spectral Atlas of Carbon Stars: R, J, N, CH, and Barium StarsBarnbaum, Cecilia; Stone, Remington P. S.; Keenan, Philip C.
 Astrophysical Journal Supplement v.105, p.419
 Ressources Internet  
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