| Clas. | Ref. CAT | PI | Awarded time | Instrument | Title |
|---|
| A | 118-GTC96/20B | Carlos Allende Prieto | A (13hrs) | HORuS | Optical Follow-Up of Chemically-Identified Solar Twins |
| A visitor | 14-GTC11/20B | Roberto Raddi | G (8hrs) | Osiris | J2125 - the key to understand the origin of ultra-high excitation lines in hot white dwarfs |
| A | 98-GTC83/20B | Jorge Sanchez Almeida | D (12.5hrs) | MEGARA | A high spectral resolution map of a z~3 enormous Lyman-alpha nebula: confirming gas infall from the IGM |
| A | 20-GTC15-A/20B | Javier Licandro Goldaracena | 4 A (1hrs) | Osiris | Characterizing new discovered faint Main Belt Comets |
| A | 20-GTC16-B/20B | Javier Licandro Goldaracena | 2 A (1hrs) | Osiris | Characterizing new discovered faint Main Belt Comets |
| A | 69-GTC60/20B | Michael Beasley | G (12hrs) | MEGARA | A new way to measure a distance to the galaxy with no dark matter |
| A | 51-GTC44-A/20B | David Jones | 6 G (1.8hrs) | Osiris | Multi-wavelength target of opportunity follow-up of newly-discovered luminous red novae |
| A | 51-GTC45-B/20B | David Jones | 6 A (1hrs) | EMIR | Multi-wavelength target of opportunity follow-up of newly-discovered luminous red novae |
| A | 15-GTC12/20B | Tariq Shahbaz | D (10hrs) | Osiris | PSR J0621+2514: a millisecond pulsar with an extremely low mass white dwarf companion |
| A | 131-GTC108/20B | Manuel Ángel Pérez Torres | A (11hrs) | EMIR | Testing X-ray models for Intermediate Polars - a dynamical study of XY Ari |
| A | 7-GTC4-A/20B | Nancy Elias Rosa | 2 A (0.8hrs) | Osiris | Looking at the Gap Transients from a new perspective. |
| A | 7-GTC5-B/20B | Nancy Elias Rosa | G (9hrs) | Osiris | Looking at the Gap Transients from a new perspective. |
| A | 7-GTC6-C/20B | Nancy Elias Rosa | A (3hrs) | EMIR | Looking at the Gap Transients from a new perspective. |
| A | 114-GTC92/20B | Alba Aller Egea | G (10hrs) | HORuS | Spectroscopic confirmation of a sub-stellar companion in the Helix nebula nucleus |
| A visitor | 24-GTC17/20B | Jesús Gallego Maestro | A (22hrs) | MEGARA | Can luminous z>6 galaxies self-ionise their own bubbles ? |
| A | 71-GTC62/20B | Cristina Ramos Almeida | D (9.7hrs) | MEGARA | Investigating the impact of quasar-driven outflows on massive galaxies |
| A | 87-GTC71-A/20B | Carlos Allende Prieto | A (10hrs) | HORuS | The Search and Characterization of the Most Primitive Stars in the Galaxy |
| A | 87-GTC72-B/20B | Carlos Allende Prieto | G (15hrs) | Osiris | The Search and Characterization of the Most Primitive Stars in the Galaxy |
| B | 62-GTC56/20B | Teodoro Muñoz Darias | 10 A (1hrs) | Osiris | X-ray Binary Transients: accretion disc winds and nebulae. |
| B | 73-GTC63-A/20B | Rubén García Benito | D (3.2hrs) | Osiris | Unraveling the Origin of Relativistic Jets with GTC |
| B | 73-GTC64-B/20B | Rubén García Benito | D (4.8hrs) | EMIR | Unraveling the Origin of Relativistic Jets with GTC |
| B | 11-GTC9/20B | Lluís Galbany | 6 A (1hrs) | Osiris | Follow-up of infant supernovae within 48h from explosion |
| B | 29-GTC20/20B | Nancy Elias Rosa | G (10hrs) | Osiris | Peeking into the Very Center of Stellar Explosions with GTC Nebular Spectroscopy. |
| B visitor | 67-GTC58/20B | Marta Lorenzo Gonzalez | D (42hrs) | Osiris | Is the IMF top-heavy in all metal-poor environments? A critical test in a very metal-poor analog of 30 Doradus |
| B | 42-GTC31/20B | Raúl de la Fuente Marcos | D (4hrs) | Osiris | Recovering with GTC/OSIRIS the farthest Solar System body ever observed at ~300 AU from the Sun |
| B | 50-GTC43/20B | Helmut Dannerbauer | D (19.2hrs) | MEGARA | Unveiling the cool gas reservoir around submillimeter galaxies - a pilot study with MEGARA |
| B | 89-GTC73/20B | Pau Amaro Seoane | 7 A (1hrs) | Osiris | Spectroscopic classification of potential neutrino counterparts identified by ZTF |
| B | 94-GTC77/20B | Roberto Raddi | G (6hrs) | Osiris | Unveiling the origin of partly burned thermonuclear supernova survivors |
| B | 115-GTC93/20B | Antonio Perez Garrido | G (25.7hrs) | Osiris | The low-mass spectroscopic mass function of the Hyades cluster |
| B visitor | 77-GTC67/20B | María Rosa Zapatero Osorio | A (16hrs) | HORuS | Transit spectroscopy of Kelt-24b with HORuS |
| B | 60-GTC55/20B | Sara Cazzoli | G (10hrs) | MEGARA | Outflows and feedback in low luminosity AGNs as seen by MEGARA |
| B visitor | 97-GTC81-A/20B | Martin Guerrero Roncel | A (12hrs) | HORuS | Which Period for the Central Star of the Eskimo Nebula? |
| B | 97-GTC82-B/20B | Martin Guerrero Roncel | A (9hrs) | HORuS | Which Period for the Central Star of the Eskimo Nebula? |
| B | 106-GTC87/20B | Hans J. Deeg | 20 A (0.5hrs) | Osiris | Being ready when it wakes up: Resolving the mystery of the 'Where's the flux' star |
| B | 116-GTC94/20B | Raúl de la Fuente Marcos | D (7.5hrs) | Osiris | Visible spectrum of 2018 VG18, the second farthest Solar System body ever observed at nearly 124 AU from the Sun, with GTC/OSIRIS |
| B | 117-GTC95/20B | Elham Eftekhari | A (19.2hrs) | EMIR | Deep IR spectroscopy of Sombrero Globular Clusters with EMIR |
| B | 70-GTC61/20B | Helmut Dannerbauer | A (16hrs) | EMIR | Confirming starbursting Planck protoclusters at z=2 |
| B visitor | 107-GTC88/20B | Nuria Huelamo | G (43hrs) | MEGARA | The BORN survey of forming planets in disks around young stars: summer targets with GTC/MEGARA |
| B | 19-GTC14/20B | Kazushi Iwasawa | A (12.1hrs) | EMIR | Near-IR snapshot imaging survey for dust-reddened quasars beyond z ~ 6 |
| B | 96-GTC79-A/20B | Antonio de Ugarte Postigo | 3 A (2.3hrs) | Osiris | GRBs, their progenitors and their environments: Focusing on the high-redshift universe |
| B | 96-GTC80-B/20B | Antonio de Ugarte Postigo | 4 A (2.5hrs) | EMIR | GRBs, their progenitors and their environments: Focusing on the high-redshift universe |
| B | 82-GTC69/20B | Helmut Dannerbauer | A (36hrs) | EMIR | Deep K-band Imaging of the brightest Herschel Galaxies |
| B | 12-GTC10/20B | Kazushi Iwasawa | G (34.9hrs) | Osiris | Revealing "hidden" population of obscured quasars in the early Universe |
| B | 31-GTC23/20B | Alberto Rebassa Mansergas | G (6.2hrs) | Osiris | The second shortest period double degenerate |
| B | 40-GTC30/20B | Mar Mezcua Pallerola | D (23.8hrs) | MEGARA | Breaking the mould: AGN outflows in dwarf galaxies |
| B | 129-GTC106/20B | Christina Thoene | G (24hrs) | Osiris | Pre-explosion spectroscopy of potential SN progenitors - a legacy datacube of NGC 2403 |
| B | 68-GTC59/20B | Nicolas Lodieu | A (4.3hrs) | Osiris | Unique comprehensive study of a young transiting brown dwarf |
| B | 8-GTC7/20B | Alberto Rebassa Mansergas | G (6.9hrs) | Osiris | Characterizing the population of post-common-envelope double white dwarfs |
| B | 49-GTC42/20B | Anna Ferré-Mateu | D (4hrs) | MEGARA | Compact massive seeds: the fossil record of the most turbulent epoch of a galaxy's life |
| C | 104-GTC86-B/20B | Nicolas Lodieu | A (40hrs) | HORuS | Characterisation of a young transiting mini-Neptune in the nearest open cluster, the Hyades |
| C | 93-GTC76-A/20B | Giuseppina Battaglia | G (11.2hrs) | HORuS | The biggest Splash |
| C | 5-GTC3/20B | Lluís Galbany | A (20hrs) | EMIR | Supernovae in the Infrared avec Hubble (SIRAH) NIR follow up with EMIR |
| C | 30-GTC21-A/20B | Alberto Rebassa Mansergas | G (22hrs) | Osiris | Follow-up spectroscopy of extremely-low mass white dwarfs identified in Gaia DR2 |
| C | 30-GTC22-B/20B | Alberto Rebassa Mansergas | A (25hrs) | Osiris | Follow-up spectroscopy of extremely-low mass white dwarfs identified in Gaia DR2 |
| C | 74-GTC65/20B | Juan Fabregat Llueca | G (3.25hrs) | Osiris | Classical Be star populations in very low metallicity environments: the galaxies Sextans A and B. |
| C | 126-GTC101/20B | Christina Thoene | G (12.5hrs) | MEGARA | 3D kinematics and abundances in SLSN hosts with MEGARA |
| C | 100-GTC85/20B | Michael Beasley | G (29hrs) | MEGARA | Massive compact galaxies in the local universe: are they relics from the high-z Universe? |
| C | 39-GTC29/20B | Julia de Leon Cruz | D (27hrs) | Osiris | Time-series photometry of binary near-Earth asteroid Didymos, target of the ESA Hera and NASA DART missions |
| C | 38-GTC28/20B | José Miguel Rodríguez Espinosa | G (18hrs) | MEGARA | Are the strongest Lyman-Continuum leakers at z ˜ 0.3 experiencing extreme outflows? |
| C | 95-GTC78/20B | Roberto Raddi | G (12.2hrs) | Osiris | White dwarfs in old open clusters as probes of stellar evolution |
| C | 99-GTC84/20B | Amparo Marco Tobarra | A (10hrs) | EMIR | Completing a sample of massive stars forming in isolation |
| C | 110-GTC89/20B | Michael Beasley | G (43hrs) | HORuS | H-SALSA - Horus Survey of Andromeda gLobular cluSter Abundances |
| C | 130-GTC107/20B | Marianna Annunziatella | D (30hrs) | EMIR | Catch Them Before they Quench: The First Comprehensive Look at Ultra-massive Star-forming Galaxies at z>3 |
| C | 75-GTC66/20B | María Begoña García Lorenzo | G (11.9hrs) | MEGARA | Co-growth of super-massive black holes and galaxies: Stellar kinematics of QSOs at redshift 0.1 |
| C | 91-GTC74/20B | Raúl de la Fuente Marcos | D (12hrs) | Osiris | Investigating slow interstellar comet candidates with GTC/OSIRIS |
| C | 17-GTC13/20B | María Rosa Zapatero Osorio | A (48hrs) | EMIR | Characterizing the volatile clouds in the 700-400 K atmospheres of T-to-Y transition brown dwarfs |
| C | 10-GTC8/20B | Martin Guerrero Roncel | D (12hrs) | Osiris | A Census Study of M31-M33 interaction through GTC Spectroscopy of Planetary Nebulae |
| C | 57-GTC53/20B | Nicolas Lodieu | A (29hrs) | EMIR | Investigating the low-metallicity substellar population combining deep photometry and astrometry |
| C | 78-GTC68/20B | Jairo Mendez Abreu | G (11.2hrs) | MEGARA | THE KINEMATIC NATURE OF THE CENTRAL STRUCTURES IN DISC GALAXIES |
| C | 122-GTC100/20B | Eduardo Martin Guerrero de Escalante | G (2.7hrs) | Osiris | Lithium in brown dwarfs: age and mass of nearby field mid-L dwarfs |
| C | 128-GTC104-B/20B | Christina Thoene | A (4hrs) | MEGARA | Peculiar supernovae with the GTC |
| Filler | 55-GTC51/20B | Martin Guerrero Roncel | A (80hrs) | EMIR | EMIR Survey of the H2 Content of Planetary Nebulae |
| Filler | 119-GTC97/20B | Carlos Allende Prieto | A (30hrs) | HORuS | Looking for the Site of the R-Process |
| Filler | 53-GTC50/20B | Pablo Rodríguez Gil | A (62hrs) | Osiris | Towards a complete understanding of binary evolution |
| Filler | 58-GTC54/20B | Virginia Cúneo | A (30.2hrs) | Osiris | Optical disc winds from accreting white dwarfs |
| Filler | 127-GTC102/20B | Javier Licandro Goldaracena | A (30hrs) | EMIR | Near-infrared spectra of near-Earth asteroids with EMIR |
| Filler | 92-GTC75/20B | Julia de Leon Cruz | A (20hrs) | Osiris | Visible spectra of near-Earth asteroids accesible to spacecraft |
| Filler | 34-GTC26/20B | Javier Licandro Goldaracena | A (20hrs) | Osiris | Quasi-Hildas: a link between Hildas and Centaurs |
| Filler | 36-GTC27/20B | Riccardo Scarpa | G (23.5hrs) | Osiris | Looking for neutrino sources with optical telescpes: extended sample. |