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Overview of the L A M Main research axes: Formation and evolution of galaxies, Cosmology...
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Transcript of Overview of the L A M Main research axes: Formation and evolution of galaxies, Cosmology...
![Page 1: Overview of the L A M Main research axes: Formation and evolution of galaxies, Cosmology Interstellar medium Extra-solar planets Instrumental developments:](https://reader036.fdocuments.us/reader036/viewer/2022080905/56649ed15503460f94be0148/html5/thumbnails/1.jpg)
Overview of the L A MMain research axes:• Formation and evolution of galaxies, Cosmology• Interstellar medium• Extra-solar planetsInstrumental developments: optics: UV, visible,
FIR, Ground based and spatial instrumentation
HST, ISO, GALEX, VIMOS, COROT, Herschel, TPF, SNAP, JWST, ELT
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Research activities at LAM in relation with
MAGPOPGalaxy Evolution, Observational Cosmology~20 permanent researchers+PhD students & post-docs
Involved in MAGPOP: V.Buat, L. Tresse, S. Arnouts, A. Boselli, D Burgarella , J. Iglesias (LAM associate researcher) & M. Treyer
Research topics (overview)Physical properties of galaxies: spectral energy distributions, star
formation, dust attenuation, environmental effects etc…Statistical studies: number counts, photo-z, morphology, luminosity
functions, luminosity densities, correlation functions etc…
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Expertise in data analysis
• Spectroscopic analyses, diagnostics• Multi-wavelength imaging: UV-opt-FIR• Redshift determinations: Zspec, Zphot• Luminosity functions and densities• Environment, clustering, correlation functions• Modeling: SFR,SFH, dust attenuation• Morphological analysis
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In rela tion w ith MAG PO P: Spectra l Energy D istributions of ga la xies:evolution w ith z
SDSS2dF
Goldm ine
SW IRENIR & FIR
IRASFIR
ASTRO-F
GALEXFUV(1530A)NUV(2310A)
spectroscopic m ode
XM M VLA
SW IRENIR & FIR
VVDSUBVRI photom etry
visible spectroscopy
M ulti-w avelength analysis
MOUs between GALEX & VVDS, GALEX & SWIRE, VVDS & SWIRE, all the data are not public
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GALEX: measuring the star formation history from z~0 to 1-2
(in UV)P.I. Chris Martin
All Sky Imaging Survey at 1530 Å (FUV) and 2315
Å (NUV)
20-21 ABmag
Deep Imaging Surveys (few hundreds deg2)
25.5 ABmag
Spectroscopic mode: 1300-3000 Å
Data are becoming public…
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GALEX sensitivity
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VVDS: VIMOS VLT Deep Survey
• PI: O. Le Fevre • Franco-italian consortium• Wide and Deep photometric and I selected
spectroscopic surveys • 4 wide fields to Iab=22.5 covering 16 deg2• 1 deep field to Iab=24 covering 1 deg2 (0<z<5) Low resolution mode : R~230
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Current multi- analyses at LAM: GALEX, VVDS (and IRAS
& SWIRE)
Short presentations• Luminosity functions and densities Laurence Tresse
• Deep fields: UV-vis-NIR Stephane Arnouts
• SED analyses
UV-FIR Jorge Iglesias/ Véronique Buat
SED modeling Denis Burgarella/Véronique Buat
local universe, environment Alessandro Boselli
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Within/in relation with MAGPOP
• Post-doc researcher (2 years at LAM+ 1 year at IAP): galex/swire/vvds data. SED analysis and modeling.
• SED analyses from low to hi z focusing on UV/FIR emission: SED/modeling
• Improving Zphot with new SEDs