We present the architecture, implementation, and on-sky validation of the fully automated acquisition and guiding system (AG) developed for the WEAVE instrument on the William Herschel Telescope. The AG operates in two distinct modes, corresponding to the observing modes of WEAVE. For the large integral field unit, an off-axis imaging guider is

The NIKA2 SZ Large Program (LPSZ) is devoted to the highangular resolution SZ mapping of a representative sample of SZ-selected clusters, at intermediate to high redshift, drawn from the catalogues of the Planck satellite and of the Atacama Cosmology Telescope. Central to this program is the synergy between SZ observations and X-ray data, utilizing

We present the optimization procedure of the baffle mounted on the GroundBIRD telescope for measuring the polarization of the Cosmic microwave background (CMB). The telescope employs a dual mirror reflective telescope installed in a cryostat. The primary objectives were to minimize stray light contamination, maintain the integrity of the main beam

Kinetic inductance detectors are widely used in millimeter- and submillimeter-wave astronomy, benefiting from their fast response and relative ease of fabrication. The GroundBIRD telescope employs microwave kinetic inductance detectors at 145 and 220 GHz to observe the cosmic microwave background. As a ground-based telescope, it is subject to

The Vera C. Rubin observatory is expected to produce 10 million transient alerts per night in ugrizy filters, whilst Euclid is a visible to near-infrared space telescope engaged in a wide field survey. We present a prototype system to automatically match the transient alerts from Rubin to Euclid observations. The system produces joint light curves

Clusters of galaxies are powerful cosmological probes, and the thermal Sunyaev Zel'dovich (tSZ) effect provides an efficient method for their detection. High-angular-resolution observations, such as those provided by the NIKA2 camera on the IRAM 30-m telescope, are essential to target low mass and high-redshift clusters. We performed a blind search