Time allocation for 2026B Regular CAT - Spanish time
View time distribution by telescope and observations.
Spanish time allocation before semester 2026A
CATESP-2026B-2
The missing population of hypervelocity subdwarfs: Leveraging theoretical models for observational follow up
PI: Roberto Raddi
OSIRIS@GTC:
37 hours granted
- Band: C
|
CATESP-2026B-4
Stellar parameter determination of white dwarfs classified by Random Forest algorithm
PI: Enrique Miguel García Zamora
OSIRIS@GTC:
18.5 hours granted
- Band: C
|
CATESP-2026B-5
HOTFUSS@GTC: HOT Faint Underluminous Stars Surveyed with GTC-OSIRIS+
PI: David Jones
OSIRIS@GTC:
22 hours granted
- Band: FI
|
CATESP-2026B-7
The GTC InfraRed Medium resolution stellAr library
PI: Ignacio Martin Navarro
EMIR@GTC:
50 hours granted
- Band: A
|
CATESP-2026B-9
The role of environment in the residual star-formation in early-type galaxies
PI: Joao Pedro Benedetti
OSIRIS@GTC:
32 hours granted
- Band: B
|
CATESP-2026B-10
WEAVEing the accretion history of Andromeda with detailed chemical abundances of its globular cluster system
PI: Michael Beasley
WEAVE@WHT:
30.7 hours granted
- Band: B
|
CATESP-2026B-13
Spectroscopy of Red L dwarf candidates in Euclid DR1
PI: Nicolas Lodieu
EMIR@GTC:
51.1 hours granted
- Band: C
OSIRIS@GTC: 37.5 hours granted - Band: C |
CATESP-2026B-16
Mass Accretion in the Orion Nebula Cluster: A WEAVE Spectroscopic Survey
PI: Gemma Busquet
WEAVE@WHT:
19.35 hours granted
- Band: B
|
CATESP-2026B-17
Investigating the next interstellar visitor with GTC-OSIRIS+
PI: Raul de la Fuente Marcos
OSIRIS@GTC:
13 hours granted
- Band: A ToO
|
CATESP-2026B-19
Characterising metal-poor stars with disk kinematics
PI: Emma Fernández Alvar
HARPS-North@TNG:
5 nights granted
|
CATESP-2026B-20
Probing the Extreme Propeller State of V1405 Cas
PI: Enzo Agustin Saavedra
Hipercam@GTC:
8.35 hours granted
- Band: B
|
CATESP-2026B-22
A GTC/Osiris+ panoramic of two extraordinary lens galaxy clusters for high-precision cosmology
PI: Ana Acebron
OSIRIS@GTC:
12 hours granted
- Band: A
|
CATESP-2026B-24
OCCASO survey: chemical abundances for poorly studied open clusters (II)
PI: Lola Balaguer-Núñez
HERMES@Mercator:
7 nights granted
|
CATESP-2026B-25
Disentangling the Formation Channels of AM CVn Stars
PI: Pablo Rodríguez-Gil
OSIRIS@GTC:
22.5 hours granted
- Band: B
|
CATESP-2026B-27
The incidence of magnetism in white dwarfs from isolated evolution
PI: Santiago Torres
OSIRIS@GTC:
44.8 hours granted
- Band: B
|
CATESP-2026B-28
Morphology, composition, and velocities of a remarkable accretion disk.
PI: Roi Alonso
MEGARA@GTC:
7.04 hours granted
- Band: B
|
CATESP-2026B-30
Understanding cohesion in fast-rotating near-Earth asteroids
PI: Miguel R. Alarcon
sCMOS-TTT1@TTT80:
132 hours granted
OSIRIS@GTC: 20 hours granted - Band: B ToO |
CATESP-2026B-32
Unveiling the Evolution of Low-Metallicity Massive Stars with Multi-Object Spectroscopy in IC1613
PI: Jesús Gomez-Mantecon
OSIRIS@GTC:
25 hours granted
- Band: B
|
CATESP-2026B-33
Constraining mass transfer in massive stars with Algol binaries
PI: Michael Abdul-Masih
HERMES@Mercator:
7 nights granted
|
CATESP-2026B-34
Catching the glint: Earthshine spectropolarimetry as a pathfinder for detecting oceans on rocky exoplanets
PI: Giulia Roccetti
ALFOSC@NOT:
3 nights granted
|
CATESP-2026B-35
Unveiling the Rotation and Shape of Goldstone NEA targets through Lightcurve Observations
PI: Javier Licandro
sCMOS-TTT2@TTT80:
180 hours granted
|
CATESP-2026B-36
Characterization of two multi-planet systems hosting long-period, temperate sub-Neptunes
PI: Gaia Lacedelli
HARPS-North@TNG:
4 nights granted
|
CATESP-2026B-37
Spectroscopic follow-up of candidate satellites around Milky-Way analogues
PI: Jairo Mendez Abreu
WEAVE@WHT:
60 hours granted
- Band: A/B
|
CATESP-2026B-38
HiPERCAM follow-up observations of nine pulsating white dwarfs
PI: Alberto Rebassa-Mansergas
Hipercam@GTC:
37.8 hours granted
- Band: B
|
CATESP-2026B-40
Unveiling the unknown orbits in helium rich Galactic O-type stars
PI: Carlos Martínez-Sebastián
HERMES@Mercator:
10 nights granted
|
CATESP-2026B-45
Spectrophotometric Characterisation of the Stellar Surface of LHS-1140 During Planetary Transits Observed with JWST
PI: Òscar Porqueras-León
OSIRIS@GTC:
8.59 hours granted
- Band: B
|
CATESP-2026B-47
Visible Spectroscopy of the Youngest Main-Belt Breakup Remnants
PI: Javier Licandro
OSIRIS@GTC:
30 hours granted
- Band: FI
OSIRIS@GTC: 8 hours granted - Band: FI |
CATESP-2026B-48
Internal and global properties of Galactic H II regions
PI: Maialen Orte-García
WEAVE@WHT:
33.48 hours granted
- Band: C
|
CATESP-2026B-49
Probing the super-eddington source SS 433 through fast multi-colour eclipse mapping
PI: Enzo Agustin Saavedra
Hipercam@GTC:
9.75 hours granted
- Band: A
|
CATESP-2026B-50
Multi-Technique Optical Characterisation of Be/X-ray Binary Outbursts
PI: Carlos Martínez-Sebastián
FIES@NOT:
6 hours granted
ToO
ALFOSC@NOT: 10 hours granted ToO Hipercam@GTC: 9 hours granted - Band: B ToO |
CATESP-2026B-52
X-ray Binary Transients: accretion disc winds and nebulae.
PI: Teo Muñoz Darias
OSIRIS@GTC:
10 hours granted
- Band: B ToO
|
CATESP-2026B-53
Monitoring X-ray binary Transients with the Liverpool Telescope
PI: Enzo Agustin Saavedra
IO:O@LT:
10 hours granted
- Band: C ToO
|
CATESP-2026B-56
Phase-resolved spectroscopy of a double white dwarf, type Ia supernova progenitor
PI: David Jones
OSIRIS@GTC:
11.04 hours granted
- Band: A
|
CATESP-2026B-61
Spectroscopy of young free-floating planets in Barnard 30
PI: María Morales Calderón
EMIR@GTC:
27 hours granted
- Band: A
|
CATESP-2026B-63
DYNOSTAR II: Star formation in the Outer Milky Way
PI: Ignacio Negueruela
EMIR@GTC:
20 hours granted
- Band: FI
OSIRIS@GTC: 15 hours granted - Band: FI |
CATESP-2026B-64
Rotational velocities in B-type stars
PI: Ignacio Negueruela
WEAVE@WHT:
2 hours granted
- Band: B
WEAVE@WHT: 2 hours granted - Band: B |
CATESP-2026B-65
Post-common-envelope planetary nebulae: the missing mass conundrum
PI: Miguel Santander García
WEAVE@WHT:
31.69 hours granted
- Band: C
|
CATESP-2026B-66
Unveiling the most metal-poor brown dwarfs: NIR Spectroscopy of Extreme T Subdwarf Candidates
PI: Nicolas Lodieu
EMIR@GTC:
55.8 hours granted
- Band: B
|
CATESP-2026B-67
On the catch of potential gamma-ray bright supernovae: discovering the first VHE CCSNe
PI: Alicia López-Oramas
SPRAT@LT:
20 hours granted
- Band: B ToO
IO:O@LT: 5 hours granted - Band: B ToO |
CATESP-2026B-68
Characterizing gamma-ray emitting novae
PI: Alicia López-Oramas
SPRAT@LT:
4 hours granted
- Band: C ToO
IO:O@LT: 2 hours granted - Band: C ToO |
CATESP-2026B-69
A Search for Lithium in Metal-Poor L and T Subdwarfs
PI: Nicolas Lodieu
OSIRIS@GTC:
11.8 hours granted
- Band: C
|
CATESP-2026B-72
Follow-up of lensed supenovae for cosmology detected in EUCLID and large-scale high-cadence surveys
PI: Frédérick Poidevin
ALFOSC@NOT:
5 hours granted
ToO
OSIRIS@GTC: 10 hours granted - Band: B ToO |
CATESP-2026B-74
Classification and early characterisation of optical transients
PI: Claudia Gutiérrez
SPRAT@LT:
40 hours granted
- Band: A/B ToO
|
CATESP-2026B-75
Searching for the smaller planets with Muscat2 at TCS
PI: Enric Palle
MuSCAT2@TCS:
50 nights granted
|
CATESP-2026B-77
Mapping the inner parsecs of galaxies with infrared echoes
PI: Nada Ihanec
NOTCam@NOT:
2 nights granted
|
CATESP-2026B-78
Combining the ALS and Villafranca projects: OB stars in clusters
PI: Sara Rodríguez Berlanas
WEAVE@WHT:
23 hours granted
- Band: C
|
CATESP-2026B-79
Unveiling SN 2026ayt: Late-Time Spectral Evolution of a Hydrogen-Rich Supernova in a Low-Metallicity Host
PI: Claudia Gutiérrez
OSIRIS@GTC:
3 hours granted
- Band: B
EMIR@GTC: 5.3 hours granted - Band: B |
CATESP-2026B-81
A multiplicity survey of stellar clusters with O stars
PI: Sara Rodríguez Berlanas
WEAVE@WHT:
34.02 hours granted
- Band: C
|
CATESP-2026B-83
Precise metallicity determination of M subdwarfs
PI: Nicolas Lodieu
OSIRIS@GTC:
4 hours granted
- Band: FI
|
CATESP-2026B-84
Unique quadriple and triple active galactic nuclei (AGNs): multi-AGN feedback & kinematics
PI: Jakub Nadolny
MEGARA@GTC:
7 hours granted
- Band: C
|
CATESP-2026B-85
Peeking into the Very Center of Stellar Explosions with GTC Nebular Observations.
PI: Nancy Elias-Rosa
OSIRIS@GTC:
13 hours granted
- Band: B
OSIRIS@GTC: 10 hours granted - Band: B |
CATESP-2026B-86
Spectroscopic confirmation of high-redshift superluminous supernova candidates from Euclid
PI: Frédérick Poidevin
OSIRIS@GTC:
9 hours granted
- Band: B
|
CATESP-2026B-88
MEGARA IFU observations of the FRB20240114A host galaxy
PI: Francesco Coti Zelati
MEGARA@GTC:
9.5 hours granted
- Band: C
|
CATESP-2026B-90
Spectroscopic follow-up of the cross-match of the OB stars in the ALS catalog with Gaia
PI: Jesús Maíz Apellániz
OSIRIS@GTC:
60 hours granted
- Band: FI
|
CATESP-2026B-91
Luminous flares from galactic nuclei in the LSST era
PI: Nada Ihanec
ALFOSC@NOT:
13.5 hours granted
ToO
SPRAT@LT: 5 hours granted - Band: C ToO |
CATESP-2026B-92
High-Cadence Optical Monitoring of LHS 1478 b During JWST Eclipses
PI: Jordi Blanco Pozo
Hipercam@GTC:
11.25 hours granted
- Band: B
|
CATESP-2026B-93
A multi-band quest for the hidden population of high-velocity compact object binaries in the Galactic halo
PI: Francesco Coti Zelati
OSIRIS@GTC:
1.3 hours granted
- Band: B
|
CATESP-2026B-98
Rapid ToO Spectroscopy of Infant Supernovae with GTC in the optical and NIR
PI: Lluís Galbany
OSIRIS@GTC:
8 hours granted
- Band: A ToO
EMIR@GTC: 16 hours granted - Band: A ToO |
CATESP-2026B-99
A legacy sample of maximum-light Type Ia supernova spectra with the Liverpool Telescope
PI: Lluís Galbany
SPRAT@LT:
30 hours granted
- Band: A ToO
|
CATESP-2026B-100
Investigating the rotational state of Arjuna asteroids with TTT: A ToO approach
PI: Raul de la Fuente Marcos
sCMOS-TTT2@TTT80:
30 hours granted
|
CATESP-2026B-102
Multi-phase Gas, Star Formation, and Feedback in the M81 Group: A WEAVE mIFU View of an Interacting Laboratory
PI: Rubén García-Benito
WEAVE@WHT:
3.5 hours granted
- Band: C
|
CATESP-2026B-103
A search for optical bursts from FRBs with HiPERCAM
PI: Vikram Dhillon
Hipercam@GTC:
14 hours granted
- Band: B
|
CATESP-2026B-104
Visible spectra of newly discovered NEAs, PHAs, and NEAs accesible to spacecraft
PI: Julia de León
OSIRIS@GTC:
20 hours granted
- Band: FI
|
CATESP-2026B-105
The GLAM project: large time-scale spectrophotometric monitoring of lensed quasars
PI: Rodrigo Gil-Merino
IO:O@LT:
24 hours granted
- Band: B
SPRAT@LT: 2.65 hours granted - Band: B |
CATESP-2026B-107
Spectroscopic analysis of the OBA-stars observed with the MAGIC+LST1 Stellar Intensity Interferometer
PI: Diego Cuenda Muñoz
SES@Stella:
8 hours granted
|
CATESP-2026B-108
Analysis of Balmer discontinuity in normal B-type and Be stars in the context of the IACOB project
PI: Alba Casasbuenas
ALFOSC@NOT:
2 nights granted
|
CATESP-2026B-111
Searching for high-redshift LSST superluminous supernovae
PI: Ismael Pérez FournonIO:O@LT: 30 hours granted - Band: C ToO |
CATESP-2026B-112
A comprehensive exploration of the massive star population in Perseus OB1: evolutionary constraints from binary systems
PI: Ignacio Negueruela
FIES@NOT:
2 nights granted
|
CATESP-2026B-115
High-cadence optical monitoring of the magnetar SGR 1935+2154 during its active phase
PI: Vikram Dhillon
Hipercam@GTC:
4 hours granted
- Band: A ToO
|
CATESP-2026B-118
Probing plasma acceleration zones in the inner jets of X-ray binaries
PI: Tariq Shahbaz
Hipercam@GTC:
12 hours granted
- Band: A ToO
|
CATESP-2026B-119
CONFIRMING ANDROMEDA XXXVII, AN ULTRA-FAINT SATELLITE CANDIDATE IN THE M31 HALO
PI: David Martinez Delgado
OSIRIS@GTC:
4.5 hours granted
- Band: A
|
CATESP-2026B-120
Planetary systems around low-metallicity stars
PI: María Rosa Zapatero Osorio
HARPS-North@TNG:
7 nights granted
|
CATESP-2026B-121
Planetary systems in late-type K-dwarfs: confirming the transiting candidates
PI: Jorge Lillo-Box
HARPS-North@TNG:
5 nights granted
HARPS3@INT: 8 hours granted |
CATESP-2026B-124
TOI-5938b: A Benchmark Planet at the Edge of the Neptune Desert
PI: Giuseppe Morello
HARPS-North@TNG:
1 nights granted
|
CATESP-2026B-129
Search for pulsations in recently discovered PG 1159-type central stars of planetary nebulae
PI: Paulina Sowicka
ALFOSC@NOT:
5 nights granted
|
CATESP-2026B-134
Young Atmospheres: measuring the primordial composition of newly formed planets
PI: Samuel Geraldía González
GIANO-B@TNG:
4 nights granted
|
CATESP-2026B-135
Optical transmission spectroscopy of JWST target WASP-84 b
PI: Jordi Blanco Pozo
OSIRIS@GTC:
13.5 hours granted
- Band: C
|
CATESP-2026B-136
Studying stellar mergers as a key step of binary evolution
PI: Nadejda Blagorodnova Mujortova
OSIRIS@GTC:
21 hours granted
- Band: B ToO
EMIR@GTC: 13.2 hours granted - Band: B ToO IO:O@LT: 15 hours granted - Band: B ToO SPRAT@LT: 4.5 hours granted - Band: B ToO |
CATESP-2026B-138
Tracing the formation of bars in interacting disk galaxies
PI: Luca Costantin
MEGARA@GTC:
15 hours granted
- Band: C
|
CATESP-2026B-139
Probing Dark Fast X-ray Transients with Rapid Near-Infrared Counterpart Searches and Host Galaxy Characterization
PI: Alberto J. Castro-Tirado
EMIR@GTC:
25 hours granted
- Band: B ToO
Hipercam@GTC: 10 hours granted - Band: B ToO |
CATESP-2026B-140
From the NUV to the MIR: A Panchromatic View of G29-38
PI: Rafael Luque
Hipercam@GTC:
19.5 hours granted
- Band: B
|
CATESP-2026B-141
A fast rotator seen pole-on in an X-ray binary
PI: Ignacio Negueruela
MEGARA@GTC:
3 hours granted
- Band: B
|
CATESP-2026B-142
Probing the AGN feedback effect in the Circumnuclear Starforming Regions of NGC 1068
PI: Asier Castrillo
MEGARA@GTC:
5.83 hours granted
- Band: C
|
CATESP-2026B-143
A GTC/MEGARA systematic study of northern Ultraluminous X-ray sources nebulae with IFU spectroscopy
PI: José Miguel Torrejón
MEGARA@GTC:
54 hours granted
- Band: C
|
CATESP-2026B-144
Linear polarization of reflected starlight from short-period giant planets
PI: María Rosa Zapatero Osorio
ALFOSC@NOT:
6 nights granted
|
CATESP-2026B-145
Detailed Characterization of the Brightest Ultracool Dwarfs as Candidate Planet Hosts
PI: Paulo Miles Páez
GIANO-B@TNG:
3 nights granted
|
CATESP-2026B-146
Observations of stellar occultations by dwarf planets, TNOs and Centaurs using the Teide TTT telescope
PI: Jose L. Ortiz
sCMOS-TTT1@TTT80:
8 hours granted
|
CATESP-2026B-147
Stellar occultations by dwarf planets, TNOs and Centaurs
PI: Rene Duffard
RISE@LT:
8 hours granted
- Band: A ToO
|
CATESP-2026B-148
Kinematics of the circumnuclear region of NGC 3310, a paradigmatic minor merger candidate
PI: Asier Castrillo
MEGARA@GTC:
3.75 hours granted
- Band: C
|
CATESP-2026B-150
Breaking new grounds in understanding relativistic jets
PI: Vikram Dhillon
Hipercam@GTC:
5 hours granted
- Band: A ToO
|
CATESP-2026B-151
The chemical abundance study of blue straggler stars in 6 Galactic open clusters
PI: Yueyue Jiang
HERMES@Mercator:
5 nights granted
|
CATESP-2026B-152
Extreme Compact Binaries: Supernova Progenitors and Stellar Radius Inflation
PI: Andrija Župić
Hipercam@GTC:
6.37 hours granted
- Band: C
|
CATESP-2026B-154
Unveiling the Architecture of the TOI-2267 Planetary System with GTC/HiPERCAM
PI: Francisco J. Pozuelos
Hipercam@GTC:
15 hours granted
- Band: C
|
CATESP-2026B-157
Late-time Optical Spectroscopy of Gaia Nuclear Transients
PI: Nada Ihanec
ALFOSC@NOT:
2 nights granted
WEAVE@WHT: 8.51 hours granted - Band: C |
CATESP-2026B-158
Investigating the physical origin and radiation mechanisms of long-duration GRBs (ToO)
PI: Alberto J. Castro-Tirado
OSIRIS@GTC:
23 hours granted
- Band: B ToO
EMIR@GTC: 12 hours granted - Band: B ToO |
CATESP-2026B-161
Unveiling hidden AGNs in extreme environments: a MEGARA view of multi-phase feedback
PI: Cristina Cabello
MEGARA@GTC:
19.5 hours granted
- Band: C
|
CATESP-2026B-164
Spectroscopic characterization of Ha objects identified with Mini-HAWKs
PI: Sara Navarro Umpierrez
WEAVE@WHT:
2 hours granted
- Band: C
OSIRIS@GTC: 4.5 hours granted - Band: C |
CATESP-2026B-165
Where is the galaxy counterpart of the Damped Lyman-alpha Absorber towards GQ1218+0832?
PI: Stefan Geier
EMIR@GTC:
16.8 hours granted
- Band: C
|
CATESP-2026B-166
The local environment of Cepheids in the SHOES sample
PI: Lluís Galbany
WEAVE@WHT:
12 hours granted
- Band: B
|