| Clas. | Ref. CAT | PI | Awarded hours | Instrument | Program |
|---|
| A | 63-GTC51/24A | Jerry Jun-Yan Zhang | D (5.9hrs) | HIPERCAM | Optical Photometry of an Enigmatic Brown Dwarf W1534, a.k.a. 'the Accident' |
| A | 49-GTC35/24A | Felipe Murgas Alcaíno | A (15hrs) | HIPERCAM | Deciphering the atmosphere of an Earth-sized planet |
| A Visitor | 52-GTC38/24A | Giuseppina Battaglia | D (20hrs) | MEGARA | Deciphering the Dance of Dwarfs: A Deep Dive into Kinematics of M81 Dwarf Galaxies |
| A | 96-GTC85-A/24A | José Feliciano Agüí Fernández | 1 A (8hrs) | EMIR | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 96-GTC86-B/24A | José Feliciano Agüí Fernández | 1 A (3hrs) | Osiris | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 96-GTC87-C/24A | José Feliciano Agüí Fernández | 6 A (1hrs) | Osiris | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 96-GTC88-D/24A | José Feliciano Agüí Fernández | 1 D (2hrs) | MEGARA | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 96-GTC89-E/24A | José Feliciano Agüí Fernández | 6 A (1hrs) | HIPERCAM | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A Visitor | 26-GTC17/24A | Jaume Orell Miquel | A (3hrs) | HIPERCAM | Confirmation of an Earth-sized planet in the Habitable Zone with GTC |
| A | 1-GTC1-A/24A | David Jones | 12 G (1.8hrs) | Osiris | Multi-wavelength target of opportunity follow-up of newly-discovered luminous red novae |
| A | 1-GTC2-B/24A | David Jones | 12 A (1hrs) | EMIR | Multi-wavelength target of opportunity follow-up of newly-discovered luminous red novae |
| A | 83-GTC69-A/24A | Josefa Becerra González | 10 D (1hrs) | Osiris | Characterizing the electromagnetic counterparts of gravitational waves |
| A | 83-GTC70-B/24A | Josefa Becerra González | 10 D (0.5hrs) | HIPERCAM | Characterizing the electromagnetic counterparts of gravitational waves |
| A | 83-GTC71-C/24A | Josefa Becerra González | 15 A (1hrs) | EMIR | Characterizing the electromagnetic counterparts of gravitational waves |
| A | 36-GTC23/24A | Kazushi Iwasawa | G (27.9hrs) | Osiris | Unveiling Obscured Growth of Supermassive Black Holes in the Epoch of Reionization |
| A | 106-GTC106/24A | Vikram Dhillon | A (22hrs) | HIPERCAM | A search for optical bursts from FRBs with HiPERCAM |
| A | 125-GTC124-B/24A | Ismael Pérez Fournon | 10 A (1hrs) | Osiris | Cosmology with gravitationally lensed SNe |
| A | 125-GTC125-C/24A | Ismael Pérez Fournon | 10 A (0.5hrs) | Osiris | Cosmology with gravitationally lensed SNe |
| B | 74-GTC61/24A | Vikram Dhillon | A (20hrs) | HIPERCAM | Eclipse timing the Milky Way's gravitational potential using main-sequence binaries |
| B | 100-GTC92/24A | Manuel Linares Alegret | A (5hrs) | Osiris | The GTC hunt for super-massive neutron stars: PSR J1622-0315 |
| B | 128-GTC129-A/24A | Manuel Ángel Pérez Torres | 2 A (1hrs) | HIPERCAM | Understanding the origin of fast X-ray transients |
| B | 128-GTC130-B/24A | Manuel Ángel Pérez Torres | 2 A (1hrs) | EMIR | Understanding the origin of fast X-ray transients |
| B | 28-GTC19-A/24A | Lluís Galbany | 8 A (1hrs) | Osiris | Rapid ToO Spectroscopy of Infant Supernovae with GTC in the optical and NIR |
| B | 28-GTC20-B/24A | Lluís Galbany | 8 A (2hrs) | EMIR | Rapid ToO Spectroscopy of Infant Supernovae with GTC in the optical and NIR |
| B | 31-GTC21-A/24A | Nancy Elias Rosa | G (10hrs) | Osiris | Peeking into the Very Center of Stellar Explosions with GTC Nebular Observations |
| B | 31-GTC22-B/24A | Nancy Elias Rosa | G (13hrs) | Osiris | Peeking into the Very Center of Stellar Explosions with GTC Nebular Observations |
| B | 72-GTC60/24A | Teodoro Muñoz Darias | 10 A (1hrs) | Osiris | X-ray Binary Transients: accretion disc winds and nebulae. |
| B | 87-GTC74-A/24A | José Feliciano Agüí Fernández | 5 A (1.8hrs) | EMIR | GRBs, their progenitors and their environments |
| B | 87-GTC75-B/24A | José Feliciano Agüí Fernández | 8 A (1.3hrs) | Osiris | GRBs, their progenitors and their environments |
| B | 111-GTC113/24A | Luca Costantin | A (15hrs) | EMIR | A Milky Way-like barred spiral galaxy beyond Cosmic Noon |
| B | 126-GTC126/24A | Ricardo Amorin | D (17.5hrs) | Osiris | Lyman-alpha spectroscopy of extreme [OIII] emitters at z=3.1-3.7 selected with JWST/NIRCAM photometry |
| B | 50-GTC36/24A | Tariq Shahbaz | G (12hrs) | HIPERCAM | Probing plasma acceleration zones in the inner jets of X-ray binaries |
| B | 56-GTC46/24A | David Garcia Alvarez | G (28hrs) | Osiris | Investigating the role of episodic mass loss in the evolution of massive stars |
| B | 88-GTC76/24A | Manuel Ángel Pérez Torres | D (6hrs) | MEGARA | Proof for merging massive black holes through discovery of a recoiled compact stellar cluster |
| B | 13-GTC8/24A | Giulia Golini | D (16hrs) | Osiris | Ultra-deep imaging of galaxies defying the cold dark matter model |
| B | 123-GTC122-A/24A | Armando Gil de Paz | 1 D (1.7hrs) | Osiris | OSIRIS/GTC spectroscopy of Fast Radio Bursts from the CHIME/FRB experiment |
| B | 123-GTC123-B/24A | Armando Gil de Paz | 1 D (18.3hrs) | Osiris | OSIRIS/GTC spectroscopy of Fast Radio Bursts from the CHIME/FRB experiment |
| B | 127-GTC127-A/24A | Ignacio Negueruela Díez | A (1.5hrs) | Osiris | A new luminous blue variable in an extraordinary open cluster |
| B | 127-GTC128-B/24A | Ignacio Negueruela Díez | A (2hrs) | MEGARA | A new luminous blue variable in an extraordinary open cluster |
| B | 48-GTC34/24A | Anna Francesca Pala | D (2.9hrs) | Osiris | Solving the puzzle the of the new AMCVn WDJ2241+3712 |
| B | 43-GTC31/24A | Carina Fian | G (11.6hrs) | Osiris | Mass Fraction of Intracluster Compact Objects through Gravitational Microlensing |
| B Visitor | 9-GTC7/24A | James Munday | G (7.1hrs) | HIPERCAM | High-speed photometry of a new white dwarf pulsar |
| B | 75-GTC62/24A | Vikram Dhillon | G (18.5hrs) | HIPERCAM | Eclipse timing the Milky Way's gravitational potential using double white-dwarf binares |
| B | 131-GTC133/24A | Johan Knapen | G (16hrs) | HIPERCAM | The truncated accretion disc in the low-mass AGN in NGC 4395 |
| B | 55-GTC45/24A | Nicolas Lodieu | A (12.2hrs) | EMIR | Confirming common proper motion metal-poor brown dwarf companions with EMIR |
| B Visitor | 77-GTC64/24A | Kazuki Daikuhara | A (22hrs) | EMIR | Spectroscopic characterization of a z=2.3 young filamentary proto-cluster |
| B Visitor | 67-GTC55-A/24A | Alberto Rebassa Mansergas | A (6.4hrs) | HIPERCAM | Towards a volume-limited sample of eclipsing WD+MS binaries |
| B Visitor | 67-GTC56-B/24A | Alberto Rebassa Mansergas | G (2.6hrs) | HIPERCAM | Towards a volume-limited sample of eclipsing WD+MS binaries |
| B Visitor | 81-GTC67/24A | Francesco Coti Zelati | A (7hrs) | Osiris | Unveiling the mode switching mechanism in the transitional millisecond pulsar PSR J1023+0038 with fast time-resolved optical spectroscopy |
| B | 130-GTC131-A/24A | Stefan Geier | A (3hrs) | EMIR | Revealing the dense nucleus of a galaxy with observations of an extreme coronal line emitting TDE |
| B | 130-GTC132-B/24A | Stefan Geier | D (5hrs) | Osiris | Revealing the dense nucleus of a galaxy with observations of an extreme coronal line emitting TDE |
| B | 14-GTC9/24A | María Rosa Zapatero Osorio | G (40hrs) | HIPERCAM | Wind velocities in brown dwarf atmospheres |
| B | 5-GTC5-A/24A | Rafael Barrena | D (8hrs) | Osiris | Galaxy Cluster dynamics at the endpoint of structure formation |
| B | 16-GTC11/24A | James Munday | G (2.1hrs) | HIPERCAM | Towards the first measurement of tidal dissipation in an ultra-compact binary |
| B | 15-GTC10/24A | Montserrat Armas Padilla | G (7hrs) | HIPERCAM | The true nature of the X-ray binary 4U 1822-00: ultracompact or progenitor? |
| B | 19-GTC12/24A | Luis Julián Goicoechea Santamaría | A (3.5hrs) | EMIR | Measuring the elusive redshift of the main deflector of HE 1413+117 |
| B | 27-GTC18/24A | Pablo Rodríguez Gil | G (13hrs) | HIPERCAM | GTC+HiPERCAM to revolutionise our understanding of the evolution of accreting ultracompact binaries |
| B | 78-GTC65/24A | Raúl de la Fuente Marcos | A (6.5hrs) | Osiris | Investigating the next interstellar visitor with GTC/OSIRIS |
| B Visitor | 86-GTC73/24A | Nicolas Lodieu | A (13.4hrs) | EMIR | Improving the near-infrared spectrum of the closest and unique metal-poor brown dwarf at 9 pc |
| B | 97-GTC90/24A | Montserrat Armas Padilla | G (3.1hrs) | Osiris | The best spectrum of a X-ray binary with a He rich companion star |
| B | 94-GTC83-A/24A | David Aguado | 6 A (1hrs) | MEGARA | Exploring Supernova Winds: Unraveling Massive Star Explosions and Circumstellar Material Dynamics |
| B | 24-GTC15/24A | Alberto Javier Castro Tirado | 12 A (1.2hrs) | HIPERCAM | Minutes-duration Optical Flares in the Aftermath of an Extragalactic Transient |
| B | 38-GTC24/24A | Pablo Rodríguez Gil | D (43hrs) | HIPERCAM | Measuring orbital evolution due to gravitational wave emission, tides, and mass transfer in twenty-four ultra-tight binaries |
| C | 45-GTC32/24A | Giovanna Speranza | A (3hrs) | EMIR | Exploring the properties of outflows in high redshift radio galaxies |
| C | 42-GTC27-A/24A | Javier Zaragoza Cardiel | G (1.2hrs) | MEGARA | Dynamical study of detached Tidal Dwarf Galaxies |
| C | 42-GTC28-B/24A | Javier Zaragoza Cardiel | G (1.7hrs) | MEGARA | Dynamical study of detached Tidal Dwarf Galaxies |
| C | 42-GTC29-C/24A | Javier Zaragoza Cardiel | G (3.2hrs) | MEGARA | Dynamical study of detached Tidal Dwarf Galaxies |
| C | 42-GTC30-D/24A | Javier Zaragoza Cardiel | G (1.2hrs) | MEGARA | Dynamical study of detached Tidal Dwarf Galaxies |
| C | 85-GTC72/24A | Bruno Rodriguez Del Pino | A (20hrs) | EMIR | Exploring environmental effects in a galaxy overdensity at z = 2.32 |
| C | 66-GTC53-A/24A | Federico Vincentelli | G (6hrs) | HIPERCAM | What is the origin of the optical QPOs during quiescence? |
| C | 66-GTC54-B/24A | Federico Vincentelli | G (6hrs) | HIPERCAM | What is the origin of the optical QPOs during quiescence? |
| C | 95-GTC84/24A | Romano Corradi | G (1.75hrs) | MEGARA | Symbiotic nebulae three decades later |
| C | 68-GTC57/24A | Johan Knapen | A (5hrs) | HIPERCAM | Intranight Colour and Time Lag Variability in the Blazar PKS 0735+178 |
| C | 46-GTC33/24A | Eduardo Martin Guerrero de Escalante | D (5hrs) | HIPERCAM | Optical characterization of two nearby isolated planetary-mass objects |
| C | 76-GTC63/24A | Chiara D'Eugenio | A (20hrs) | EMIR | Deep near-infrared imaging of a statistical sample of groups and clusters at 2 |
| C | 62-GTC50/24A | Tariq Shahbaz | G (12hrs) | HIPERCAM | Optical/X-ray timing studies of X-ray binaries |
| C | 103-GTC97/24A | Eduardo Martin Guerrero de Escalante | G (6hrs) | Osiris | Lithium depletion boundary age determination in the Oceanus moving group |
| C | 108-GTC111/24A | Francesco Coti Zelati | A (8.3hrs) | HIPERCAM | Probing Quiescent Variability in Transient Neutron Star Low-Mass X-ray Binaries with GTC-HiPERCAM |
| C | 98-GTC91/24A | Alberto Peláez Torres | A (18hrs) | HIPERCAM | Exploring the nature of the Neptune Desert with GTC |
| C | 80-GTC66/24A | Ginevra Favole | D (12hrs) | Osiris | Understanding the distribution and quenching mechanism of emission-line galaxies for next-generation cosmological surveys |
| C | 40-GTC25/24A | Riccardo Scarpa | G (30hrs) | Osiris | Looking for neutrino sources with optical telescopes |
| C | 91-GTC77-A/24A | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Understanding super-Eddington accretion trough IFU spectroscopy |
| C | 91-GTC78-B/24A | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Understanding super-Eddington accretion trough IFU spectroscopy |
| C | 91-GTC79-C/24A | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Understanding super-Eddington accretion trough IFU spectroscopy |
| C | 91-GTC80-D/24A | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Understanding super-Eddington accretion trough IFU spectroscopy |
| C | 91-GTC81-E/24A | José Miguel Torrejón Vázquez | G (1.8hrs) | MEGARA | Understanding super-Eddington accretion trough IFU spectroscopy |
| C | 91-GTC82-F/24A | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Understanding super-Eddington accretion trough IFU spectroscopy |
| C | 105-GTC105/24A | José Feliciano Agüí Fernández | G (23hrs) | MEGARA | 3D kinematics and abundances in SLSN hosts with MEGARA |
| C | 65-GTC52/24A | Francisco José Galindo Guil | A (16hrs) | Osiris | Accurate lithium depletion boundary ages for two open clusters. |
| C | 57-GTC47/24A | David Garcia Alvarez | A (8.4hrs) | Osiris | Why are rapidly rotating M dwarfs flare inactive as seen by TESS? |
| C | 118-GTC118/24A | Sara Rodríguez Berlanas | A (19hrs) | MEGARA | The nature of the massive runaway population in Cygnus OB2 |
| C | 21-GTC14/24A | Maria Cruz Galvez Ortiz | G (27.7hrs) | Osiris | Test and calibrating ultracool atmospheric models with new benchmark brown dwarfs from Gaia and Pan-STARRS |
| C | 71-GTC59/24A | Carlos Hernández Monteagudo | D (19hrs) | Osiris | Spectroscopic follow-up of X-ray Tidal Disruption Events discovered by SRG-eROSITA |
| C | 41-GTC26/24A | Riccardo Scarpa | G (16.5hrs) | Osiris | GTC-OSIRIS Investigation of BL Lac Object Close-Companion Galaxies. |
| C | 115-GTC115-A/24A | Stefan Geier | A (20hrs) | EMIR | Where is the galaxy counterpart of the Damped Lyman-alpha Absorber towards GQ1218+0832? |
| C | 115-GTC116-B/24A | Stefan Geier | A (5hrs) | EMIR | Where is the galaxy counterpart of the Damped Lyman-alpha Absorber towards GQ1218+0832? |
| C | 115-GTC117-C/24A | Stefan Geier | G (1hrs) | Osiris | Where is the galaxy counterpart of the Damped Lyman-alpha Absorber towards GQ1218+0832? |
| C | 122-GTC119-A/24A | Raúl de la Fuente Marcos | D (1.5hrs) | Osiris | Recovering the farthest known dwarf planet at 160 AU from the Sun with GTC/OSIRIS |
| C | 122-GTC120-B/24A | Raúl de la Fuente Marcos | D (1.5hrs) | Osiris | Recovering the farthest known dwarf planet at 160 AU from the Sun with GTC/OSIRIS |
| C | 122-GTC121-C/24A | Raúl de la Fuente Marcos | D (1.5hrs) | Osiris | Recovering the farthest known dwarf planet at 160 AU from the Sun with GTC/OSIRIS |
| C | 58-GTC48/24A | David Garcia Alvarez | A (15hrs) | EMIR | Spectroscopic follow-up of new eruptive young star candidates found with Gaia |
| C | 114-GTC114/24A | Daniel Mata Sánchez | D (11.8hrs) | Osiris | Revealing the black hole nature of the newly discovered X-ray transient Swift J1727.8-1613 |
| C | 61-GTC49/24A | Antonio Manuel García Rodríguez | G (12.5hrs) | EMIR | Probing Black hole mass cosmic evolution with GTC+EMIR |
| Filler | 82-GTC68/24A | Ignacio Negueruela Díez | A (35hrs) | Osiris | The distant and obscured Milky Way |
| Filler | 25-GTC16/24A | Anna Francesca Pala | A (22hrs) | Osiris | The 300 pc sample of Cataclysmic Variables |
| Filler | 2-GTC3/24A | David Jones | A (54hrs) | Osiris | Complementary optical spectroscopy to HST Treasury FUV Survey of the Hottest White Dwarfs |
| Filler | 109-GTC112/24A | Alejandro Lumbreras Calle | A (64hrs) | Osiris | A Statistical Study of J-PLUS Extreme Emission Line Galaxies with OSIRIS+ Spectroscopy: a GTC Entryway to the Physics of Reionization |
| Filler | 3-GTC4/24A | Jesús Maíz Apellániz | A (60hrs) | Osiris | Spectroscopic follow-up of the cross-match of the OB stars in the ALS catalog with Gaia |
| Filler | 51-GTC37/24A | Julia de Leon Cruz | A (20hrs) | Osiris | Visible spectra of newly discovered NEAs, PHAs, and NEAs accesible to spacecraft |
| Filler | 6-GTC6/24A | Fabricio Manuel Pérez Toledo | A (64hrs) | Osiris | AGN Reverberation Mapping at Intermediate Redshift |