NNo       GCVS          J2000.0        Type       Max       Min I        Min II      Epoch(JD24..) Year        Period        M-m/D    Spectrum       References  Other design. 
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520018 |RZ    Lyr *|184337.9+324754 |RRAB      | 10.6    |  12.03     |            |V |41183.426   |     |     0.5112423      |14   |A9-F4            |00001 00323|
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______________The positional information: ___________________________
  NNo     GCVS            J2000.0         p.m.(as/yr) Epoch     Ident.
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520018 |RZ    Lyr |184337.88 +324754.0 |+0.019 +0.025|2000.0  | |Tyc2
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_______________Cross-identifications:_______________
RZ    Lyr     = AN   1903.0019                |     
RZ    Lyr     = GSC  2641.01678               |     
____________________________________________________

      Reference to a chart or photograph:
00323. V.P.Zessewitsch, B.A.Ustinov, Tr GAI Sternberg 23, 62, 1953.

      Reference to a study of the star:
00001. GCVS compilers.

__________________________________________________________________
      Remark:         
    P var. Max = 2416415.360 + 0.51127069d*E
    (JD2413000 - 19000) [00001]; Max = 2426161.4375 +
    0.51124948D*E (JD2426000 - 38000) [00323];
    since JD2438000 - see Table.
    Blazhko effect, height of Max varies: 10.6m - 10.9m,
    Max (Delta(m)) = 2430904.3 + 116.654d*N + 0.01034d*N**2;
    Min (Delta(m)) - Max (Delta(m)) = 59.3d [03419].
    [Fe/H] = -1.69; Delta(S) = 10.0.

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