Sökresultat

Talk_Hoeijmakers_SRS_website Atmospheres of ultra-hot exoplanets: Metals and chemistry on WASP-121 b Dr. Jens Hoeijmakers @HoeijmakersJens http://hoeijmakers.github.io/ jens.hoeijmakers@astro.lu.se 
 
 
 SRS 2022 
 March 23 
 Lund Observatory http://hoeijmakers.github.io/ mailto:jens.hoeijmakers@astro.lu.se Overview Introduction / background Theory
 Methodology WASP-121 b HST transmission/day-side

https://www.astro.lu.se/sites/astro.lu.se/files/2022-03/Talk_Hoeijmakers_SRS_website.pdf - 2026-07-24

Paul McMillan Lund Observatory, Box 43 SE-221 00 Lund, Sweden +46 46 22 27312 paul@astro.lu.se EDUCATION University of Leicester, Department of Physics and Astronomy 2003-2006 PhD in Theoretical Astrophysics, awarded 2007 Thesis title: Numerical simulations of galaxy interaction Supervisor: Prof Walter Dehnen Included three-month Marie Curie fellowship at Observatoire de Marseille, Université d

https://www.astro.lu.se/sites/astro.lu.se/files/2022-06/McMillan_CV_and_PublicationList_0.pdf - 2026-07-24

Influence and detection of gravitational waves in Gaia-like astrometry Influence and detection of gravitational waves in Gaia-like astrometry Robin Geyer Lohrmann-Observatory, TU Dresden, Germany MW-Gaia 2023 meeting July 19th, 2023 1 / 23 Gravitational Waves Astrometry 1. influence 2. detect 2 / 23 10-10 10-8 10-6 10-4 10-2 100 102 104 106 GW Frequency [Hz] Supermass. binaries Stochastic backgrou

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/2023_07_19__GaiaNIR_Lund_GWs.pdf - 2026-07-24

Detect-Radial-Motions-Lund-23 A new experiment in nearfield cosmology Joss Bland-Hawthorn Director, Sydney Institute for Astronomy Laureate Professor, U. Sydney, Australia With Sanjib Sharma, Joe Silk, Celine Boehm Credit: Benedikt Diemer Even without baryons, self-gravitating dark matter halos cannot fully virialize – the total moment of inertia is still evolving with cosmic time. Halos form thro

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Detect-Radial-Motions-Lund-23.pdf - 2026-07-24

Gaia and Exoplanetary Science: DR2, and Beyond Exoplanet Demographics in the 2050s: How Does GaiaNIR Fit In? Alessandro Sozzetti (INAF – Osservatorio Astrofisico di Torino) Science and technology roadmap for μas studies of the Milky Way LUND (Sweden), 19/07/2023 Overarching Questions Planetary Systems Formation: a) How do planets and planetary systems form? b) Which features (spirals, gaps) of pro

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Exoplanet_Demographics_GaiaNIR_Sozzetti_final.pptx - 2026-07-24

GaiaNIR photometric system GaiaNIR photometric system J.M. Carrasco, C. Jordi, E. Masana, M. Monguió & UB team Photometry • Chromatic corrections of the astrometric observations. • All-sky NIR survey at the mmag accuracy level  less extinction- limited CMDs. • Astrophysical classification (stars, galaxy, quasars, etc.). • Astrophysical parameterisation (interstellar reddening, effective temperatu

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/GaiaNIRPhotometricSystem_JMC.pdf - 2026-07-24

Gaia_Lund2023_Muraveva Lund : 18-20 July 2023 RR Lyrae stars as distance indicators and metallicity tracers: impact of Gaia and Gaia NIR Tatiana Muraveva1 Andrea Giannetti2, Gisella Clementini1, Alessia Garofalo1 1 - INAF - OAS Bologna 2 - INAF - IRA Bologna ESA/Gaia/DPAC RR Lyrae stars • Pulsating variables • P = 0.2 – 1.0 days • Mass < Msun • HB region on the CMD, Mv ~ 0.6 ± 0.2 mag • Population

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Gaia_Lund2023_Muraveva.pdf - 2026-07-24

Mullard Space Science Laboratory The JASMINE mission (Japan Astrometry Satellite Mission for INfrared Exploration) Daisuke Kawata (JASMINE Project Scientist, Mullard Space Science Laboratory, MSSL, University College London, UCL) Hajime Kawahara (JASMINE Exoplanet Science lead, ISAS/JAXA) Naoteru Gouda (JASMINE Principal Investigator, NAOJ) and JASMINE team This project is a Horizon Europe Marie S

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/JASMINE.pdf - 2026-07-24

Gaia mission: Challenges in communication Tineke Roegiers Gaia information coordinator Lund - July 2023 Science and technology roadmap for μas studies of the Milky Way ESA/Gaia/DPAC Airbus Space https://www.astro.lu.se/GaiaNIR/Roadmap Challenges in communication Communication challenges… • External • Large data releases • Open data policy • Large collaboration • Internal ESA/Gaia/DPAC External com

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/LundPresentation_TRoegiers_CommunicationChallenges.pdf - 2026-07-24

Lund_2023_GaiaNIR The Hidden Regions Astrometry in the Near Infrared David Hobbs Lund Observatory Sweden What to do first? Photometric filter bands need to be studied - dispersion or filter photometry or both? An RV spectrograph - which wavebands in NIR - the need for high resolution spectra? Periods of slow scanning law need to be studied - for spectra only! Crowding in GC needs to be studied - l

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Lund_2023_GaiaNIR.pdf - 2026-07-24

Lund_2023_Hobbs The Hidden Regions Astrometry in the Near Infrared with GaiaNIR David Hobbs Lund Observatory Sweden GaiaNIR Science Cases Adding NIR astrometry and photometry to probe the dynamically important hidden regions of the Galaxy A new mission, combined with ~2 billion common stars from Gaia with a 20yr time gap would give PM’s 20 times better and open many new science cases Volume increa

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Lund_2023_Hobbs_0.pdf - 2026-07-24

Experiences from the Gaia in-flight instrument modellingExperiences from the Gaia in-flight instrument modelling and suggestions for GaiaNIRand suggestions for GaiaNIR Nick Rowell, Michael Davidson, Nigel HamblyNick Rowell, Michael Davidson, Nigel Hambly University of EdinburghUniversity of Edinburgh Lund ObservatoryLund Observatory 2020thth July 2023 July 2023 Experiences from the Gaia in-flight

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Session7_Nick_Rowell.pdf - 2026-07-24

THEIA_Malbet_Lund_2023-v2 Theia : MicroArcsecond Astrometric Observatory From Earth-like Planets to Cosmology: The New Astrometry Frontier Fabien MALBET IPAG / Univ. Grenoble Alpes Astrometry Roadmap Workshop - Lund 2023 Theia - MicroArcsecond Astrometric Observatory Astrometry Roadmap Workshop - Lund 2023 Theia core team 2 Europe Antonio Amorim (Universidade de Lisboa, CENTRA, Portugal)
 Guillem

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/THEIA_Malbet_Lund_2023-v2_0.pdf - 2026-07-24

Tanga_GaiaNIR_Lund_a The Solar System at mas and µas accuracy Paolo Tanga Observatoire de la Côte d’Azur P. Tanga - Lund 2023 - Gaia NIR workshop Summary: implications of a Gaia-like NIR-extended mission ● Taxonomy and composition ● Epoch photometry ● Astrometric accuracy 2 P. Tanga - Lund 2023 - Gaia NIR workshop Why we need asteroid spectra? 3 P. Tanga - Lund 2023 - Gaia NIR workshop Why we need

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/Tanga_GaiaNIR_Lund_a.pdf - 2026-07-24

alis_Lund Alis J. Deason The Milky Way Halo with GaiaNIR AurigaiaNIR Aurigaia = Gaia mocks of Auriga simulations (Grand+2018). Aurigaia method used to create AurigaiaNIR mocks. The AurigaiaNIR mock contains stars down to K=20 mag, in comparison the optical Gaia survey has a limiting magnitude of G=20.7 Grand+2018 The NIR bands reveal much more structure in the outer halo than the optical Gaia band

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/alis_Lund.pdf - 2026-07-24

Detection of multiple stellar systems from modern-precision single-epoch photometry Detection of multiple stellar systems from modern-precision single-epoch photometry Gregor Traven University of Ljubljana Science and technology roadmap for μas studies of the Milky Way Lund, July 2023 Importance of multiple stars Moe & Di Stefano 2017 KOI-126: A Triply Eclipsing Hierarchical Triple (Carter+ 2011)

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/detection_multiples_gregor_traven.pdf - 2026-07-24

GaiaNIR – Discussion points 30 Mar 2022 GaiaNIR:UK NSTP Closeout Meeting 1 Areas needing more work • Detector assessment underway Q1/24 to Q2/25 • Range of follow-up studies then required • Best size of pixels for APD detectors  limiting magnitudes • Trading light grasp and cost against spatial resolution • Number and width of photometry filter/ grism bands: • Trading simplicity against ability t

https://www.astro.lu.se/sites/astro.lu.se/files/2023-07/lund-walton-discussion-jul23.pdf - 2026-07-24

Gaia-NIR-Chiappini-pdf_sent CRISTINA CHIAPPINI Leibniz-Institut fuer Astrophysik Potsdam Queiroz, Barbuy, Perez-Villegas, Khalatyan, F. Anders, B. Santiago, S. Nepal, Montalban, Souza, Valentini, Miglio, Guiglion, Mosser, Bossini, and many other great collaborators • Probing hiding regions of the MW • Improvement on proper motions for Gaia stars • Reset of optical Reference Frame and extension to

https://www.astro.lu.se/sites/astro.lu.se/files/2023-09/Gaia-NIR-Chiappini-pdf_sent_2.pdf - 2026-07-24

Studying the Milky Way’s dynamics using (limited) astrometry alone Paul McMillan, University of Leicester (Collaborators: Daniel Mikkola, David Hobbs, Teresa Antoja and the Gaia Consortium) Why use just astrometry? A lot of dynamics work focuses on this sample Why use just astrometry? We are the 98%! Basic maths 5×1.5×10! 6×3.3×10"≫ In other galaxies… Usually only have one component of velocity (l

https://www.astro.lu.se/sites/astro.lu.se/files/2024-06/2024%20-%20Art%20of%20Astrometry.pdf - 2026-07-24

2024-06-24 project The motions of nearby stars and the local mass density Alexander Mustill (alexander.mustill@fysik.lu.se) Senior Research Fellow Lund University ESA/ATG medialab NASA/JPL-Caltech/R. Hurt (SSC/Caltech) mailto:alex@astro.lu.se Motions of nearby stars • The dominant bulk motion of stars in the Galaxy is their rotation around the Galactic centre on circular orbits • Stars also have a

https://www.astro.lu.se/sites/astro.lu.se/files/2024-06/2024-06-24%20project_0.pdf - 2026-07-24