The prototypical symbiotic star Z And may be brigtening, as indicated by the following observations.
YYMMDD(UT) mag observer 970426.883 108 (M. Moeller) 970428.469 109 (G. Hanson) 970501.424 109 (G. Hanson) 970501.697 108 (T. Watanabe) 970502.426 109 (G. Hanson) 970503.456 109 (G. Hanson) 970506.433 109 (G. Hanson) 970508.465 109 (G. Hanson) 970509.110 107 (G. Poyner) 970509.467 108 (G. Hanson) 970510.444 108 (G. Hanson) 970511.117 107 (G. Poyner) 970512.048 107 (G. Poyner) 970513.458 108 (G. Hanson) 970514.042 107 (G. Poyner) 970514.440 109 (G. Hanson) 970515.074 107 (G. Poyner) 970517.458 108 (G. Hanson) 970518.453 109 (G. Hanson) 970519.455 109 (G. Hanson) 970520.071 106 (G. Poyner) 970522.444 106 (G. Hanson) 970523.683 104 (T. Watanabe) 970525.063 106 (G. Poyner) 970526.358 101 (R. J. Modic)
The star was last observed brighter than mv=10 during the outburst starting in 1985 October. The rise in 1985 October was quite rapid; observations at every occasions would be recommended.
Regards,
Taichi Kato
(V-band chart based on Brian Skiff's photoelectric measures)
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