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Low-mass X-ray binaries are systems in which a star transfers matter onto a compact object—either a black hole or a neutron star—producing energetic outbursts. During these events, their optical spectra provide a way to study extreme processes of accretion and matter ejection. While some spectroscopic features have been analysed in detail (e.g., revealing disc expansion and the presence of optical winds), the appearance of broad absorptions in the optical regime has traditionally been neglected. In this work, we present the first systematic study of these broad absorptions. We carry out theAdvertised on -
The Instituto de Astrofísica de Canarias (IAC) has been honoured with the Canary Islands Diamond Award in the category of Business and Economic Innovation, a distinction granted by Canal 4 Tenerife as part of the first edition of these awards on the occasion of its 30th anniversary. The recognition is bestowed “in acknowledgement of its scientific excellence and its international projection from the Canary Islands” and highlights the IAC’s contribution to the development of a knowledge-based economy in the Archipelago. The IAC was selected as the winner following a jury evaluation processAdvertised on -
The International Scientific Committee (CCI) of the Canary Islands Observatories met this week in Bologna, Italy, to address the current status and future actions for the astronomical infrastructures managed by the Instituto de Astrofísica de Canarias (IAC). The CCI is the body established under the International Agreements that founded the Canary Islands Observatories. It ensures the effective participation of user institutions in decision-making regarding the use, maintenance, and improvement of these world-class scientific facilities. Project and Infrastructure Monitoring The meeting wasAdvertised on