V455 Sct (Be) outburst Gaia detection. http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia20bjt/ Gaia20bjt AT2020esu 2020-03-17 20:07:46 281.65867 -7.93201 8.80 9.34 0.13 unknown 2020-03-22 14:11:54 very bright known Be star outbursts