A photon radiation detector including a support forming a plane spiral with at least four arms, each arm being suspended between a first end common to the four arms and a second end, each arm including a resistive material, the resistivity of which varies as a function of a temperature of the resistive material, and which is electrically connected to the first and second ends of said arm, and a first array of antennas sensitive to a first physical parameter of the photon radiation and in thermal contact with the resistive material of two of the four arms, called first arms, wherein the second end of said each arm of the at least four arms is electrically connected to a read circuit of the detector and thermally bonded to a first heat sink.