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QUBIC performance measurements

QUBIC engineers Fabricio Rodríguez and David Liendro perform a measurement of the responsivity of the instrument. They put an absorbing screen in front of the telescope at regular intervals, and by comparing the measurement between the warm absorber and the cold sky, we can calculate the quality of the performance of QUBIC.

First sky data acquisition with QUBIC in Alto Chorrillos, during the night!

On the night of May 13-14, 2025 QUBIC marked a milestone in its history: for the first time from Alto Chorrillos, real data of the San Antonio de los Cobres sky were acquired with an bolometric interferometer for Cosmology!

In the coming months, we expect to have a clear understanding of the instrument’s performance, analyze the first sky data, and install the calibration source.

A period of great achievements for QUBIC has begun.

QUBIC begins its new phase

With the work of scientists, engineers, and technicians on the mountain and the support of international online collaboration, QUBIC is back in operation.

In a few days, once the temperature is suitable for observation, it will begin collecting data in Alto Chorrillos for calibration.

Nuevos arreglos TES para QUBIC

El 28 de enero de 2025, la colaboración QUBIC recibió en Francia seis nuevos conjuntos TES. El la foto, el último conjunto TES fabricado para QUBIC (izquierda) y una imagen microscópica de uno de los detectores (derecha). Después de las pruebas en el laboratorio, se seleccionarán 3 o 4 conjuntos de sensores para la actualización del demostrador técnico (TD) y el instrumento final (FI).

Crédito de la imagen: Damien Prêle