[vsnet-outburst 24146] Gaia19efa

[Marc Deldem]

Hello,

Here are some measures of  Gaia19efa on 2 nights (unfiltered CCD 
observations, JD Date, CR magnitude).

On the first series, there is nothing obvious.

On the second series, an oscillation is visible with an amplitude of 
0.18 magnitude and a period of 0.0622 +/- 0.0025d (ANOVA method).

JD Mag MagError
2458753.612845 15.830 0.016
2458753.615973 15.820 0.016
2458753.619211 15.837 0.016
2458753.622268 15.864 0.018
2458753.625400 15.851 0.018
2458753.628493 15.828 0.017
2458753.631567 15.842 0.017
2458753.634626 15.884 0.018
2458753.637787 15.837 0.018
2458753.640863 15.846 0.019
2458753.643981 15.835 0.017
2458753.647100 15.858 0.018
2458753.650389 15.841 0.017
2458753.653561 15.854 0.017
2458753.656608 15.851 0.018
2458753.659802 15.838 0.018
2458753.662857 15.848 0.017
2458753.665944 15.840 0.018
2458753.669031 15.834 0.018

JD Mag MagError
2458757.599832 16.167 0.024
2458757.602890 16.179 0.023
2458757.606033 16.122 0.021
2458757.609281 16.095 0.022
2458757.612433 16.100 0.021
2458757.617104 16.154 0.022
2458757.620160 16.136 0.022
2458757.623203 16.157 0.023
2458757.626245 16.190 0.024
2458757.629330 16.206 0.025
2458757.632408 16.177 0.024
2458757.635515 16.198 0.025
2458757.638708 16.250 0.026
2458757.641923 16.243 0.026
2458757.645023 16.253 0.025
2458757.648104 16.276 0.025
2458757.651366 16.225 0.024
2458757.654522 16.246 0.024
2458757.657596 16.214 0.025
2458757.660741 16.207 0.024
2458757.663783 16.158 0.022
2458757.666876 16.146 0.023
2458757.669914 16.118 0.022
2458757.672957 16.117 0.022

Best regards,

Marc Deldem