Table 4: Frequencies and amplitudes determined for all PMS pulsators in NGC 6530, where the errors in the last digits of the corresponding quantities are given in parentheses.
Star No. Frequency V amp. B amp.
    [c/d] [mmag] [mmag]
5 f1 46.596(9) 1.4(3) 1.8(3)
  f2 53.417(9) 1.0(3) 1.1(3)
82 f1 38.531(6) 2.4(3) 2.8(3)
  f2 34.671(7) 2.2(3) 2.4(3)
  f3 24.829(9) 1.8(3) 1.7(3)
85 f1 15.579(1) 30.2(3) 39.1(3)
  f2 12.700(1) 17.1(3) 23.0(3)
  f3 15.531(2) 8.2(3) 11.4(3)
  f4 10.585(4) 3.5(3) 4.7(3)
  f5 31.148(8) 1.8(3) 2.0(3)
263 f1 19.223(2) 7.1(2) 8.3(3)
278 f1 7.200(2) 6.6(2) 9.4(3)
  f2 12.121(2) 9.4(2) 12.4(3)
  f3 13.218(2) 9.9(2) 13.8(3)
  f4 4.178(2) 6.2(2) 8.0(3)
  f5 9.488(3) 5.0(2) 6.6(3)
  f6 6.013(4) 3.6(2) 5.0(3)
  f7 11.984(3) 4.9(2) 6.7(3)
  f8 15.684(5) 2.9(2) 3.7(3)
  f9 13.896(6) 2.6(2) 3.5(3)
281 f1 43.418(4) 4.2(2) 4.7(2)
  f2 40.017(4) 3.9(2) 5.1(2)
  f3 37.457(6) 2.4(2) 2.7(2)
  f4 41.702(9) 1.7(2) 1.5(2)
  f5 40.367(8) 1.9(2) 2.2(2)
  f6 30.691(9) 1.4(2) 1.5(2)
  f7 38.245(7) 2.1(2) 2.1(2)

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