Name: The GaiaNIR mission and the engagement of the Spanish Community
Start: 2026-01-28T09:00:00+01:00
End: 2026-01-30T14:00:00+01:00
Location: Agencia Espacial Española (AEE) headquarters in Sevilla

The GaiaNIR mission and the engagement of the Spanish Community

from Wednesday, 28 January 2026 (09:00) to Friday, 30 January 2026 (14:00)

Monday, 26 January 2026
Tuesday, 27 January 2026
Wednesday, 28 January 2026
09:00 REG: Herramientas para Gaia DR3 y DR4 (I) Chair: Teresa Antoja
09:00 - 10:59
Contributions

09:00 Bienvenida

09:30 Gaia DR4: What can we expect from the coming data release - Claus Fabricius (IEEC-ICCUB)

09:50 Computing magnitudes, colours, distances at any signal-to-noise level - Michael Weiler (IEEC-ICCUB)

10:10 The Galactic bar revisited. What could we expect from Gaia NIR? - Francisco Garzón (IAC)

10:17 Milky Way spiral arms across stellar populations - Judith Ardèvol (Universitat de Barcelona (ICCUB - IEEC))

10:24 Vertical kinematics and structure of the Local Arm: from young clusters to GaiaNIR - M Carmen Sánchez Gil (Universidad de Cádiz)

10:31 Chronology of our Galaxy from Gaia color-magnitude diagram fitting (ChronoGal) - Carme Gallart (IAC)

10:38 Inference of the Galactic SFH and IMF from BGM FASt and Gaia DR3/DR4 - Marc del Alcázar i Julià (ICCUB - IEEC)

10:45 N-body simulations of the Milky Way - Tetsuro Asano (IEEC-ICCUB)

10:52 Creating realistic Gaia-like mock of dwarf galaxies - Guillaume Thomas (IAC/ULL)
11:00 Coffee Break
Coffee Break
11:00 - 11:30
11:30 REG: Herramientas para Gaia DR3 y DR4 (II) Chair: Friedrich Anders
11:30 - 12:56
Contributions

11:30 SPACIOUS: A practical guide (overview, usage and proposals) - Alfred Castro-Ginard (Universitat de Barcelona)

11:45 Data fusion of Gaia with other catalogues: Gaia and J-PLUS (proof-of-concept) - Jordi Portell de Mora (ICCUB)

12:00 Gaia and the J-Surveys: A Match Made in Heaven - Andrés del Pino Molina (Instituto de Astrofísica de Andalucía (IAA-CSIC))

12:07 A Massive Star Census of the Magellanic Cloud - Juan Antonio Molina Calzada (CAB (CSIC-INTA))

12:14 How to brake a bar: tidal interactions can slow down the bar pattern speed - santi Roca-Fàbrega (Universidad Complutense de Madrid)

12:21 Missing RR Lyrae Binaries: Observational Biases or Model Tension? - Giuliano Iorio (University of Padova)

12:28 RR Lyrae: Pulsating Tracers of the Milky Way with Gaia and J-VAR/J-PLUS - SAYALI KULKARNI (Centro de Estudios de Física del Cosmos de Aragón)

12:35 Stellar Parameters Using J-PLUS DR4 Photometry and Gaia Parallaxes via PCA - Adrián Hidalgo Pinilla (Centro de Estudios de Física del Cosmos de Aragón)

12:42 A Gaia+VVVX census of FGKM and ultracool stars toward the GC with prospects for Gaia NIR - Javier Banegas Paredes (Universidad Complutense de Madrid)

12:49 Cataclysmic Variables in Gaia DR3: spectra and light curves - Alessandro Ederoclite (CEFCA)
13:00 Lunch break
Lunch break
13:00 - 15:00
15:00 Mission overview. Chair: Mercè Romero Gómez
15:00 - 16:25
Contributions

15:00 Welcome and summary of the ministerial meeting - Isabel Pérez Grande (Directora de Ciencia, Tecnología e Innovación AEE)

15:15 Voyage 2050: GaiaNIR in context (online) - Frédéric Safa (ESA)

15:30 Gaia lessons learned (online) - Jos De Bruijne

15:45 The GaiaNIR mission and the hidden regions of our Galaxy, including the inclusion of RVS and end-of-mission accuracies - David Hobbs
16:25 Coffee Break
Coffee Break
16:25 - 16:55
16:55 Technical Challenges. Chair: Jose A. Caballero
16:55 - 18:25
Contributions

16:55 A huge challenge: onboard and on ground data processing - Jordi Portell de Mora (ICCUB)

17:15 Radial velocity and atmospheric parameter calculations for GaiaNIR (online) - Mészáros Szabolcs

17:35 The GaiaNIR photometry - Josep Manel Carrasco Martínez (Institut d'Estudis Espacials de Catalunya)
Thursday, 29 January 2026
09:30 IR Astrometry: big science questions (I). Chair: Minia Manteiga
09:30 - 10:50
Contributions

09:30 Exploring the Galactic Centre: Opportunities and Challenges with Gaia-NIR - Francisco Nogueras-Lara (IAA-CSIC)

09:50 Kinematic fractionation of the Milky Way boxy/peanut bulge - Marcin Semczuk (Institut de Ciències del Cosmos, Universitat de Barcelona)

10:10 A GaianIR-aided view of the properties of Local Group dwarf galaxies - Giuseppina Battaglia

10:30 Advancing XMC kinematics with GaiaNIR - Óscar Jiménez-Arranz (Lund University)
10:50 Coffee Break
Coffee Break
10:50 - 11:20
11:20 IR Astrometry: big science questions (II). Chair: Ignacio Negueruela
11:20 - 13:00
Contributions

11:20 Relativistic modelling for next-generation astrometry - Gabriel Rodríguez Moris (Lohrmann Observatory, Technische Universität Dresden)

11:40 Low-Mass Stars in the GaiaNIR Era: Opportunities and Challenges (online) - Miriam Cortés Contreras (Universidad Complutense de Madrid)

12:00 The White Dwarf Potential of a Gaia–NIR Mission - Santiago Torres Gil (Universitat Politècnica de Catalunya)

12:20 Unveiling the dusty realm of massive stars with GaiaNIR (online) - Sara Berlanas

12:40 The impact of GaiaNIR on future exoplanet science (online) - Juan Carlos Morales (ICE-CSIC) Manuel Perger (ICE-CSIC)
13:00 Lunch break
Lunch break
13:00 - 15:00
15:00 Industry. Chair: Jordi Portell
15:00 - 16:30
Contributions

15:00 Round table with industry - IDOM, SENER, AISTECH AVS, SATLANTIS, DAPCOM
16:30 Coffee Break
Coffee Break
16:30 - 17:00
17:00 IR Astrometry: big science questions (III). Chair: Josep Manel Carrasco
17:00 - 18:30
Contributions

17:00 Present with Gaia and Future with GaiaNir in the bodies of the solar system - Rene Duffard (Instituto de Astrofísica de Andalucía - CSIC) Alvaro Alvarez-Candal (IAA-CSIC)

17:15 GaiaNIR Photometry and the Census of Unresolved Binaries - Sagar Malhotra (IEEC-ICCUB)

17:30 Massive young clusters in the Milky Way - Ignacio Negueruela (Universidad de Alicante)

17:45 GaiaNIR: Transforming our view of star and planet formation - Núria Miret Roig (Universitat de Barcelona)

18:00 Cosmological Simulations for GaiaNIR Studies of the Local Group - Isabel Santos-Santos

18:15 Studying the Milky Way stellar halo and its stellar stream with Gaia-NIR - Guillaume Thomas (IAC/ULL)
Friday, 30 January 2026
09:30 GaiaNIR: request for simulations. Chair: Giuseppina Battaglia
09:30 - 10:50
Contributions

09:30 The GaiaNIR simulator and BGM - Eduard Masana

09:50 The JASMINE Astrometric fleXible Block Iterative Solver (JAXBIS): concept and verification (online) - Pau Ramos (NAOJ)

10:10 Javalambre surveys as pivotal hubs for data management and scientific exploitation in the GaiaNIR era - Borja Anguiano (Centro de Estudios de Fisica del Cosmos de Aragon (CEFCA))

10:30 Modelling the MW exoplanet population - Chloé Padois (Universitat de Barcelona - ICCUB)
10:50 Coffee Break
Coffee Break
10:50 - 11:20
11:20 GaiaNIR Sinergies. Chair: Rainer Schödel
11:20 - 12:40
Contributions

11:20 The future Roman Galactic Plane Survey and HAYDN - Synergies with GaiaNIR - Friedrich Anders (Universitat de Barcelona)

11:40 The Euclid mission in the context of the GAIA NIR mission - Eduardo Martín

12:00 Exploring Synergies Between the Rubin Observatory/LSST and GaiaNIR (online) - Laura Toribio San Cipriano (CIEMAT)

12:20 HWO & LIFE - José A. Caballero (Centro de Astrobiología CSIC-INTA)
12:40 Closing remarks: actions for future Spanish enrolments

12:40 - 13:00

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