  Within the framework of investigating the link between central super massive
black holes in the core of galaxies and the galaxies themselves, we detected a
variable X-ray source in the center of CGCG 077-102 NED02, member of the CGCG
077-102 galaxy pair within the Abell 2063 galaxy cluster. Our goal was then to
combine X-ray and optical data to demonstrate that this object harbors an
active super massive black hole in its core, and to relate this to the
dynamical status of the galaxy pair within the Abell 2063 cluster. We used
Chandra and XMM-Newton archival data to derive the X-ray spectral shape and
variability. We also obtained optical spectroscopy to detect the expected
emission lines that are typically found in Active Galactic Nuclei. And we
finally used public ZTF imaging data to investigate the optical variability.
There is no evidence of multiple X-ray sources or extended component within
CGCG 077-102 NED02. Single X-ray spectral models fit well the source.
Non-random significant X-ray flux inter-observation X-ray variabilities were
detected, between ~4days for short term variations and up to ~700days for long
term variations. Optical spectroscopy points toward a passive galaxy for CGCG
077-102 NED01 and a Seyfert for CGCG 077-102 NED02. We did not detect
short-term variability in the optical ZTF light curves. However, we found a
significant long-term stochastic variability in the g-band that can be well
described by the damped random walk model. Finally, the CGCG 077-102 galaxy
pair is deeply embedded within the Abell 2063 potential, and has underwent the
cluster influence for a long time. Our observations point toward a moderatly
massive black hole in the center of CGCG 077-102 NED02, of ~10^6 Msol. CGCG
077-102 NED02 is not heavily obscured, perhaps due to surrounding intra cluster
medium ram pressure stripping.
