Exoplanet TrES-4b – 2018-06-19

Here is a transit of exoplanet TrES-4b taken on June 19, 2018 with V filter with oru WBRO (K49). About the set: 300 sec exposition, dark frame and flat field corrections applied. Here are the residuals: good precision on 1.2 mmag!


UniSi_V103: new EW system discovered

After few months passed into bad weather and difficult fields… we back with the UniSi_V103 (UCAC4 458-084855) in Aquila, a nice EW system discovered on last June, 10 by the telescope of Astronomical observatory of University of Siena with the collaboration of Davide Agnetti (Lomazzo), Alessandro Marchini and Riccardo Papini. In order to define period, […]