Star occultation by the Earthmoon
July 03, 2009

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Occultation prediction for Nonndorf_550m_25cm, Austria
E. Longitude   15 14  8.4,  Latitude  48 47 13.5,  Alt.  550m;  Telescope dia 25cm;  dMag 3.0

       day  Time   P   Star  Sp  Mag  Mag    % Elon Sun  Moon   CA   PA  VA  AA Libration   A   B   RV   Cct durn R.A. (J2000)  Dec
 y   m  d  h  m  s      No  D     v    r V  ill     Alt Alt Az   o    o   o   o   L    B   m/o m/o "/sec   o sec  h  m   s    o  m  s
09 Jul  3 19 22 27 D    2287SB1  2.9  3.0v  89+ 141  -3 14 169  29S 156 164 143 +5.4 +6.6 +0.9-0.8 .225  -51     15 58 51.1 -26  6 51
   R2287 = pi Scorpii
      2287 is triple: Aa,Ab 2.9      2.0" 244.0 : AB 2.9 11.9 50" 127.5
      2287 = pi Sco, 2.88 to 2.91, V, Type ELL, Period 1.570103 days, Phase  54%



WDS entries

  RA  Dec Name          Y1   Y2     N  PA  PA   Sep   Sep  M1    M2
15589-2607SHT  60Aa,Ab 2000 2000    1 244 244   2.0   2.0  2.89       B1V       -012-026          -2511228      155851.12-260650.6
15589-2607BU  622AB    1878 1998    8 133 128  50.0  49.9  2.89 11.90 B1V+B2V   -012-026          -2511228 N D  155851.12-260650.6
15589-2607KOH  61Ba,Bb 1994 1994    2 330 331   3.0   2.9 11.48 13.2            -001+000                        155854.02-260721.4

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Interferometric catalogue entries

155851.12-260650.6  ADS  9862                 SHT  60Aa,Ab              HD 143018    HIP  78265         15589-2607 N  
    Date       PA              Sep                  M1             M2
  1987.5114      .      .   <  0.05       .          .      .       .      .                 2.1   1  Iso1990a Spe    
  1987.512       .      .   <  0.05       .          .      .       .      .                 2.1   1  Iso1991  Spe    
  1989.3887      .      .   <  0.05       .          .      .       .      .                 2.1   1  Iso1992  Spe    
  1990.4480      .      .   <  0.05       .          .      .       .      .                 2.1   1  Iso1992  Spe    
  1991.25        .      .   <  0.1        .         2.83    .       .      .       511 222   0.3   1  HIP1997e Thp    
  2000.40     244.4    0.1     1.981     0.020      5.10    .     13.40   0.00    2200 480   3.6   1  Sht2002  U      

155854.02-260721.4  ADS  9862                 KOH  61Ba,Bb              HD 143018B   .                  15589-2607 N  
    Date       PA              Sep                  M1             M2
  1994.216    329.6    1.0     3.03      0.02        .      .      1.72    .      1000  50   3.5   1  Brr1996  Fir    
  1994.330    331.4    0.3     2.949     0.004       .      .      1.36   0.05    2200       3.5   1  Koh2000a Sir    


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AAVSO Variable star entry

       Variable identifier           Type        Max    Min  Ph  Epoch         Period 
       pi Sco                        ELL         2.88   2.91 V 2452025.9600     1.570103