UniSi_V117: new EA system

A new EA system, UniSi_V117 (UCAC4 762-005092 in Cassiopeia) has been discovered from telescope of University of Siena with the help of members of the SSV-UAI: Fabio Salvaggio, Alessandro Marchini, Riccardo papini, Massimo banfi, Lorenzo barbieri, Claudio Arena, Nello Ruocco and Giorgio Bianciardi.

It was difficult to calculate the correct period. ASAS-SN needed to be deblended for a star at 10″.
Magnitude variation goes from 14.69 to 14.94 V. No secondary minima has been detected.

Epoch: HJD 2457981.38
Period: 1.69717 d

This is the link to VSX record: https://www.aavso.org/vsx/index.php?view=detail.top&oid=1260108

Pubblicato in Variable stars.

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