| Band | CAT Ref. | PI | Awarded time | Instrument | Program |
|---|
| A | 3-GTC3/24B | Kazushi Iwasawa | G (29.6hrs) | Osiris | Unveiling Obscured Growth of Supermassive Black Holes in the Epoch of Reionization |
| A | 116-GTC129/24B | Helmut Dannerbauer | D (30hrs) | Osiris | Confirmation of the richest overdensity beyond z=5 |
| A Visitor | 7-GTC8/24B | Giuseppina Battaglia | D (9.3hrs) | MEGARA | Revealing the nature of a enigmatic high excitation nebula in IC1613 |
| A | 104-GTC107/24B | Ana Acebron Muñoz | D (2hrs) | Osiris | Unveiling a new large-separation lensed quasar system by a massive galaxy cluster with GTC/Osiris |
| A | 73-GTC73/24B | Angela Gardini | G (8hrs) | MEGARA | Zooming into the FRB 20201124A host galaxy with MEGARA-IFU observations |
| A LP | 60-GTC49-A/24B | Carlos Allende Prieto | G (25hrs) 2024B | Osiris | The Galaxy's Most Primitive Stars: A Synergy between OSIRIS and DESI |
| LP | 60-GTC50-B/24B | Carlos Allende Prieto | G (25hrs) 2025A | Osiris | The Galaxy's Most Primitive Stars: A Synergy between OSIRIS and DESI |
| LP | 60-GTC51-C/24B | Carlos Allende Prieto | G (25hrs) 2025B | Osiris | The Galaxy's Most Primitive Stars: A Synergy between OSIRIS and DESI |
| LP | 60-GTC52-D/24B | Carlos Allende Prieto | G (25hrs) 2026A | Osiris | The Galaxy's Most Primitive Stars: A Synergy between OSIRIS and DESI |
| A | 43-GTC34/24B | Claudia Gutiérrez Avendaño | D (1hrs) | HIPERCAM | AT2019krl: Did a star die? |
| A | 66-GTC65-A/24B | José Feliciano Agüí Fernández | 1 A (8hrs) | EMIR | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 66-GTC66-B/24B | José Feliciano Agüí Fernández | 1 A (3hrs) | Osiris | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 66-GTC67-C/24B | José Feliciano Agüí Fernández | 1 D (2hrs) | MEGARA | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 66-GTC68-D/24B | José Feliciano Agüí Fernández | 6 A (1hrs) | Osiris | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 66-GTC69-E/24B | José Feliciano Agüí Fernández | 6 A (1hrs) | HIPERCAM | GTC follow-up of binary-merger induced Kilonovae in the electromagnetic domain |
| A | 106-GTC115-A/24B | José Feliciano Agüí Fernández | 6 A (1hrs) | EMIR | GRBs into the SVOM and Einstein Probe era |
| A | 106-GTC116-B/24B | José Feliciano Agüí Fernández | 1 A (3hrs) | EMIR | GRBs into the SVOM and Einstein Probe era |
| A | 106-GTC117-C/24B | José Feliciano Agüí Fernández | 7 A (1hrs) | HIPERCAM | GRBs into the SVOM and Einstein Probe era |
| A | 106-GTC118-D/24B | José Feliciano Agüí Fernández | 11 A (1hrs) | Osiris | GRBs into the SVOM and Einstein Probe era |
| A | 114-GTC124-A/24B | María Caballero García | 5 A (0.8hrs) | Osiris | Unveiling the physical origin and emission mechanisms of short GRBs |
| A | 114-GTC125-B/24B | María Caballero García | 2 A (1hrs) | Osiris | Unveiling the physical origin and emission mechanisms of short GRBs |
| A | 114-GTC126-C/24B | María Caballero García | 7 A (1hrs) | EMIR | Unveiling the physical origin and emission mechanisms of short GRBs |
| A | 114-GTC127-D/24B | María Caballero García | 2 A (1hrs) | Osiris | Unveiling the physical origin and emission mechanisms of short GRBs |
| A | 41-GTC31/24B | Jerry Jun-Yan Zhang | G (3.75hrs) | Osiris | Completing the sample of metal-poor T dwarfs with GTC OSIRIS z-band photometry |
| A | 62-GTC55/24B | Raúl de la Fuente Marcos | A (6.5hrs) | Osiris | Investigating the next interstellar visitor with GTC/OSIRIS |
| A | 26-GTC17/24B | Teodoro Muñoz Darias | 10 A (1hrs) | Osiris | X-ray Binary Transients: accretion disc winds and nebulae. |
| A | 51-GTC40-A/24B | David Aguado | 15 A (1hrs) | Osiris | Pursuing the first lights from core-collapse supernovae: rapid follow-up observations of Einstein Probe alerts |
| A | 90-GTC90/24B | Paulo Alberto Miles Páez | A (58.4hrs) | EMIR | A search for volatile clouds in the 700-400 K atmospheres of T-to-Y transition brown dwarfs |
| B | 72-GTC72/24B | Maria Cruz Galvez Ortiz | A (7.6hrs) | EMIR | Spectroscopic follow up of T extreme subdwarf candidates selected from deep optical to infrared surveys |
| B | 57-GTC45-A/24B | Manuel Ángel Pérez Torres | 2 A (1hrs) | HIPERCAM | Understanding the origin of fast X-ray transients discovered with Einstein Probe |
| B | 57-GTC46-B/24B | Manuel Ángel Pérez Torres | 2 A (1hrs) | EMIR | Understanding the origin of fast X-ray transients discovered with Einstein Probe |
| B | 57-GTC47-C/24B | Manuel Ángel Pérez Torres | 2 A (1.5hrs) | Osiris | Understanding the origin of fast X-ray transients discovered with Einstein Probe |
| B | 61-GTC53-A/24B | Francesco Coti Zelati | 4 G (1hrs) | Osiris | Prompt GTC study of unidentified transient LMXBs discovered by the Einstein Probe |
| B | 61-GTC54-B/24B | Francesco Coti Zelati | 4 D (1.2hrs) | HIPERCAM | Prompt GTC study of unidentified transient LMXBs discovered by the Einstein Probe |
| B | 78-GTC78/24B | Claudia Gutiérrez Avendaño | G (20hrs) | Osiris | Constraining metallicity in hydrogen-rich supernova environments |
| B | 105-GTC108-A/24B | José Miguel Torrejón Vázquez | G (2.2hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 105-GTC109-B/24B | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 105-GTC110-C/24B | José Miguel Torrejón Vázquez | G (1.8hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 105-GTC111-D/24B | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 105-GTC112-E/24B | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 105-GTC113-F/24B | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 105-GTC114-G/24B | José Miguel Torrejón Vázquez | G (2.4hrs) | MEGARA | Shedding UV light on the nebular HeII problem |
| B | 40-GTC30/24B | Jerry Jun-Yan Zhang | A (24.5hrs) | EMIR | Methane dwarf or no? |
| B Visitor | 79-GTC79/24B | Jaume Orell Miquel | A (20hrs) | HIPERCAM | Validation of rocky planets in the Habitable Zone with GTC |
| B | 4-GTC4-A/24B | David Jones | 12 G (1.8hrs) | Osiris | Multi-wavelength target of opportunity follow-up of newly-discovered luminous red novae |
| B | 4-GTC5-B/24B | David Jones | 12 A (1hrs) | EMIR | Multi-wavelength target of opportunity follow-up of newly-discovered luminous red novae |
| B | 42-GTC32-A/24B | Nancy Elias Rosa | G (10hrs) | Osiris | Peeking into the Very Center of Stellar Explosions with GTC Nebular Observations. |
| B | 42-GTC33-B/24B | Nancy Elias Rosa | G (13hrs) | Osiris | Peeking into the Very Center of Stellar Explosions with GTC Nebular Observations. |
| B Visitor | 96-GTC94/24B | Anna Francesca Pala | G (6hrs) | HIPERCAM | Probing the final stage of cataclysmic variable evolution: high-speed photometry of the most evolved system |
| B | 13-GTC11/24B | Carina Fian | G (4.9hrs) | Osiris | Microlensing Probes of Quasar Continuum and Diffuse Broad-Line Region Emission |
| B | 95-GTC93/24B | Jesús Gallego Maestro | D (14.5hrs) | Osiris | An observational test of the existence of a Golden Mass as the origin of the mass and environmental quenching in the galaxy formation and evolution scenario |
| B | 18-GTC13-A/24B | Josefa Becerra González | 10 D (1hrs) | Osiris | Characterizing the electromagnetic counterparts of gravitational waves |
| B | 18-GTC14-B/24B | Josefa Becerra González | 10 D (0.5hrs) | HIPERCAM | Characterizing the electromagnetic counterparts of gravitational waves |
| B | 18-GTC15-C/24B | Josefa Becerra González | 15 A (1hrs) | EMIR | Characterizing the electromagnetic counterparts of gravitational waves |
| B | 32-GTC20/24B | María Rosa Zapatero Osorio | G (72.6hrs) | HIPERCAM | Wind velocities in brown dwarf atmospheres |
| B Visitor | 80-GTC80/24B | Eduardo Martin Guerrero de Escalante | A (22hrs) | EMIR | EMIR and Euclid combined study of extremely young free-floating planets. |
| B | 58-GTC48/24B | Anna Ferré-Mateu | G (8hrs) | HIPERCAM | Quantifying the dark matter fractions of compact galaxies with HiPERCAM |
| B Visitor | 27-GTC18/24B | Alberto Rebassa Mansergas | G (3.5hrs) | HIPERCAM | High-speed photometric follow-up of 4 eclipsing white dwarf plus brown dwarf binaries |
| B | 50-GTC36-A/24B | Francisco José Pozuelos Romero | A (2.4hrs) | HIPERCAM | Unveiling the architecture of the TOI-2267 system |
| B | 50-GTC37-B/24B | Francisco José Pozuelos Romero | A (2.4hrs) | HIPERCAM | Unveiling the architecture of the TOI-2267 system |
| B | 50-GTC38-C/24B | Francisco José Pozuelos Romero | A (2.4hrs) | HIPERCAM | Unveiling the architecture of the TOI-2267 system |
| B | 50-GTC39-D/24B | Francisco José Pozuelos Romero | A (2.4hrs) | HIPERCAM | Unveiling the architecture of the TOI-2267 system |
| B | 63-GTC56-A/24B | Raúl de la Fuente Marcos | D (1hrs) | Osiris | The first L5 Earth trojan: A physical characterization with GTC/OSIRIS |
| B | 63-GTC57-B/24B | Raúl de la Fuente Marcos | D (3hrs) | Osiris | The first L5 Earth trojan: A physical characterization with GTC/OSIRIS |
| B | 63-GTC58-C/24B | Raúl de la Fuente Marcos | D (0.5hrs) | Osiris | The first L5 Earth trojan: A physical characterization with GTC/OSIRIS |
| B | 63-GTC59-D/24B | Raúl de la Fuente Marcos | D (4hrs) | Osiris | The first L5 Earth trojan: A physical characterization with GTC/OSIRIS |
| B | 63-GTC60-E/24B | Raúl de la Fuente Marcos | D (0.5hrs) | Osiris | The first L5 Earth trojan: A physical characterization with GTC/OSIRIS |
| B | 63-GTC61-F/24B | Raúl de la Fuente Marcos | D (4hrs) | Osiris | The first L5 Earth trojan: A physical characterization with GTC/OSIRIS |
| B | 123-GTC137-A/24B | Alberto Javier Castro Tirado | 3 A (2hrs) | Osiris | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 123-GTC138-B/24B | Alberto Javier Castro Tirado | 4 A (2hrs) | Osiris | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 123-GTC139-C/24B | Alberto Javier Castro Tirado | 4 A (1.5hrs) | EMIR | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 123-GTC140-D/24B | Alberto Javier Castro Tirado | 8 A (0.8hrs) | Osiris | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 123-GTC141-E/24B | Alberto Javier Castro Tirado | 8 A (0.5hrs) | EMIR | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 123-GTC142-F/24B | Alberto Javier Castro Tirado | 2 A (1hrs) | EMIR | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 123-GTC143-G/24B | Alberto Javier Castro Tirado | 2 A (1.5hrs) | Osiris | Investigating the physical origin and radiation mechanisms of long-duration GRBs |
| B | 1-GTC1-A/24B | Lluís Galbany | 8 A (1hrs) | Osiris | Rapid ToO Spectroscopy of Infant Supernovae with GTC in the optical and NIR |
| B | 1-GTC2-B/24B | Lluís Galbany | 8 A (2hrs) | EMIR | Rapid ToO Spectroscopy of Infant Supernovae with GTC in the optical and NIR |
| B | 109-GTC120/24B | Rubén García Benito | D (45hrs) | Osiris | Assessing the Major-Merger Paradigm of M31 through Deep Spectroscopy of Planetary Nebulae |
| B | 16-GTC12/24B | Chiara D'Eugenio | A (20hrs) | EMIR | Deep near-infrared imaging of a statistical sample of groups and clusters at 2 |
| B | 69-GTC70/24B | Enric Palle Bago | A (5hrs) | HIPERCAM | The potential of HiPERCAM to screen for clear exoplanet atmospheres |
| B | 85-GTC82/24B | Cristina Catalán Torrecilla | D (6hrs) | MEGARA | Exploring the Host Environment of the Hyperactive FRB 20220912A: A Spatially Resolved Study |
| C | 89-GTC86-A/24B | Raúl de la Fuente Marcos | A (2hrs) | Osiris | Siblings and active objects among the Atiras: Checking genetic connections with GTC/OSIRIS |
| C | 89-GTC87-B/24B | Raúl de la Fuente Marcos | A (4hrs) | Osiris | Siblings and active objects among the Atiras: Checking genetic connections with GTC/OSIRIS |
| C | 89-GTC88-C/24B | Raúl de la Fuente Marcos | A (1hrs) | Osiris | Siblings and active objects among the Atiras: Checking genetic connections with GTC/OSIRIS |
| C | 89-GTC89-D/24B | Raúl de la Fuente Marcos | A (3hrs) | Osiris | Siblings and active objects among the Atiras: Checking genetic connections with GTC/OSIRIS |
| C | 74-GTC74/24B | Angela Gardini | G (20hrs) | MEGARA | Sub-arcsecond spectroscopy of FRB host galaxies with MEGARA-IFU observations |
| C | 87-GTC84/24B | Bahar Bidaran | D (22hrs) | MEGARA | What quenches isolated dwarf galaxies in cosmic voids? |
| C | 103-GTC106/24B | Francisco José Galindo Guil | G (45hrs) | MEGARA | Too Li or not too Li: precise age scale based on GTC |
| C | 92-GTC91/24B | Sandra Zamora Arenal | A (5hrs) | MEGARA | Probing the AGN feedback effect in the Circumnuclear Starforming Regions of NGC 1068 |
| C | 111-GTC122/24B | José Feliciano Agüí Fernández | G (23hrs) | MEGARA | 3D kinematics and abundances in SLSN hosts with MEGARA |
| C | 56-GTC44/24B | Luca Costantin | G (16.5hrs) | MEGARA | Unveiling the fate of the Zwicky's nonet: a spatially-resolved study with MEGARA |
| C | 54-GTC43/24B | Eduardo Martin Guerrero de Escalante | A (8.55hrs) | EMIR | Multi-wavelength characterization of a proto stellar/substellar binary |
| C | 38-GTC28/24B | Santiago Torres Gil | A (44.75hrs) | Osiris | Spectroscopic follow-up of peculiar Gaia white dwarfs identified by means of artificial inteligence algorithms |
| C | 71-GTC71/24B | Alessandra Ambrifi | A (7hrs) | EMIR | A deep look into the X-ray-blocking near-infrared winds of the most powerful galactic black hole |
| C | 102-GTC98-A/24B | Maria Luisa Garcia Vargas | D (7.9hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC99-B/24B | Maria Luisa Garcia Vargas | G (5.9hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC100-C/24B | Maria Luisa Garcia Vargas | D (7.9hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC101-D/24B | Maria Luisa Garcia Vargas | D (7.9hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC102-E/24B | Maria Luisa Garcia Vargas | G (3.4hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC103-F/24B | Maria Luisa Garcia Vargas | D (5.2hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC104-G/24B | Maria Luisa Garcia Vargas | G (5.9hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 102-GTC105-H/24B | Maria Luisa Garcia Vargas | G (5.9hrs) | MEGARA | Studying the evolutionary status and kinematics of eXtremely Metal Deficient (XMD) gas-rich galaxies in nearby voids with MEGARA. |
| C | 115-GTC128/24B | Tariq Shahbaz | D (9.7hrs) | MEGARA | The peculiar chemical abundance in binary millisecond pulsars |
| C | 120-GTC132-A/24B | Stefan Geier | A (20hrs) | EMIR | Where is the galaxy counterpart of the Damped Lyman-alpha Absorber towards GQ1218+0832? |
| C | 120-GTC133-B/24B | Stefan Geier | G (3hrs) | MEGARA | Where is the galaxy counterpart of the Damped Lyman-alpha Absorber towards GQ1218+0832? |
| C | 12-GTC10/24B | Raquel Fores Toribio | D (5hrs) | Osiris | Measuring the redshift of the lensed source in B0445+123 to determine H0. |
| C | 53-GTC42/24B | Nancy Elias Rosa | D (1.5hrs) | HIPERCAM | Identifying Progenitors of Core-Collapse Supernovae with HiPERCAM |
| C | 29-GTC19/24B | Alberto Rebassa Mansergas | A (63hrs) | HIPERCAM | HiPERCAM follow-up observations of 15 ultramassive pulsating white dwarf candidates |
| C | 52-GTC41/24B | Roberto Raddi | G (39.15hrs) | Osiris | A triple perspective on stellar evolution |
| C | 37-GTC27/24B | Mar Mezcua Pallerola | D (16.0hrs) | HIPERCAM | Continuum reverberation mapping of a robust intermediate-mass black hole candidate |
| Filler | 19-GTC16/24B | Julia de Leon Cruz | A (20hrs) | Osiris | Visible spectra of newly discovered NEAs, PHAs, and NEAs accesible to spacecraft |
| Filler | 97-GTC95/24B | Ignacio Negueruela Díez | A (35hrs) | Osiris | The distant and obscured Milky Way |
| Filler | 88-GTC85/24B | Fabricio Manuel Pérez Toledo | A (64hrs) | Osiris | AGN Reverberation Mapping at Intermediate Redshift |
| Filler | 5-GTC6/24B | Jesús Maíz Apellániz | A (60hrs) | Osiris | Spectroscopic follow-up of the cross-match of the OB stars in the ALS catalog with Gaia |
| Filler | 76-GTC75-B/24B | Daniel Galán Diéguez | A (15hrs) | Osiris | New observational approach to the missing population of fast rotators in Cygnus OB2 |
| Filler | 77-GTC76-A/24B | Martin Guerrero Roncel | A (15hrs) | EMIR | Near-IR Observations of Nova Remnants |
| Filler | 77-GTC77-B/24B | Martin Guerrero Roncel | A (3hrs) | EMIR | Near-IR Observations of Nova Remnants |
| Filler | 108-GTC119/24B | Bartosz Gauza | A (25.7hrs) | Osiris | Completing the set of wide ultracool companions to Gaia high proper motion stars |