Filippo Mannucci Scientific cases of the Italian community for LBT
Projects and requirements Galactic Stellar jets and circumstellat disks Supernovae & GRB Search for SNe associated to GRB *Search for high-redshift and obscured SNe Galaxies Black holes in galactic nuclei *High-redshift galaxies *Massive, optically faint galaxies Metallicity, dynamics and stellar gradients Merger rates *: see also Firenze Oct 2006:
WFPC3 2.2’x2.2’ H=26.5 Comparison AO+LSG vs. HST NIC3 0.9’x0.9’ H=25.8 LBT GLAO 4’x4’ H,K=24 1x1 NACO LBT DL 0.9’x0.9’ H,K=24 Seeing limited 0.8” FWHM
Comparison AO+LSG vs. HST Pro AO 1.Higher spatial resolution in JH 2.Access to the K band 3.Access to thermal IR 4.larger field-of-view (for GLAO) 5.more suitable for large surveys Pro HST 1.Deeper in JH 2.Access to optical 3.stable and simpler PSF 4.larger field-of-view (for DL) 5.no need for T/T star
Stellar disks and Jets Herbig Ae/Be stars HL Tau XZ Tau Mundt et al SII 6717 Å 3.5m Calar Alto Ray et al HH 30 jet Disks and Jets: extraction of excess angular moment, efficiency of formation exact nature of acceleration of the jet is unclear jet rotation and precession? peculiar velocity fields, bow shocks
Stellar disks and Jets 0.5” Magnetic flow surfaces Alfve'n Surface 1” High spatial ( 5/10000) resol. near-IR (FeII 1.2, 1.6, H2 2.1 mic) or optical R (OI λ 6300, H α, SII λ6716) Dougados et al 2000 Habart, Natta & Testi (2006) ESO/NACO
Stellar disks and Jets 0.5” 1” best with IFU, possible with multislit Ha N II SII OI Increasing radial velocity 1” HST/STIS Bacciotti et al LGS: imaging and spec. – DL - sky coverage most jets have no bright star
SNe at z~1 SNe: 1.metal production 2.feedback for galaxy formation 3.thermal history of ICM and IGM High redshift (z>0.5) Ia: cosmology CC: tracer of SFH Mannucci et al. 2007
SNe associated to GRB Della Valle et al. (2006b)Della Valle et al. (2006a) Long GRB: death of a massive star diversity of SNe z>1 Imaging and Spectroscopy LGS: DL, sky coverage
Black Hole in Galactic Nuclei Measuring the BH mass: Star dynamics Gas dynamics (size of BLR, line width, reverbaration mapping) Only ~40 measures Sphere of influence: BH gravitational field = Galactic Radius = 0.1” for M = 10 8 M ⊙ σ = 200 Km/sec D = 20 Mpc Marconi & Hunt (2003) correlation BH mass – bulge mass Coformation and coevolution galaxy- central BH Feedback
Black Hole in Galactic Nuclei Davies et al NGC3227 D=17 Mpc log(M BH /M ⊙) =
Black Hole in Galactic Nuclei Pastorini et al (2007) SINFONI, H2 (2.12 mic) NGC4593 (D=38 Mpc) log(M BH /M ⊙ )=7.5 Best with IFU, slits work fine Spectral R>3000 LGS: DL, sky coverage
Optically faint galaxies z~7 HST/ACS VLT/ISAAC SPITZER/IRAC Mannucci et al (2007) Rodighiero et al (2007) UV bright (LBG) UV faint (EROS, DRG…)
Optically faint galaxies GLAO K’ band 1 hour 0.3” FWHM
intermediate- and high-z galaxies 1.Tests of ΛCDM: 1. number of large (M>10 11 M ⊙ ) halos at z=3 2. number of centrifugally supported large disks at z>2 3. increase in galaxy size from z=3 2. Galaxies at z≥2 1.fundamental plane of E 2.metallicity and stellar gradients 3.disk dynamical mass Morphology: GLAO/images large field stable PSF “known” PSF sky coverage Redshifts, metallicity, dynamics? GLAO/MOS
Dark halo, dynamical to stellar mass, metallicity 1 arcsec z=3.23 Mannucci et al. (2007) Dynamics of high-z galaxies
AMAZE, ESO large project, SINFONI (PI: Maiolino) Mass-Metallicity relation at high z downsizing: large galaxies form first? star formation and mass assebly
AMAZE, ESO large project, SINFONI (PI: Maiolino) Mass-Metallicity relation at high z IFU, DL, sky coverage
evolution of the merging rate among galaxies simpler non-baryonic physics Strong predictions of CDM Near-IR to avoid star-forming blobs High spatial resolution, large fields GLAO, imaging Merging history z=3.1
Projects and requirements Project Adopt GL DL Observ. ima spec Galactic Low-mass IMFXX Brown dwarfsXXX Stellar jets and circumstellar disksXX Supernovae & GRB SN ProgenitorsXX Search for SNe associated to GRBXXX Search for high-redshift SNeXX Galaxies Black holes in galactic nucleiXX Morph. of massive, optically-faint galaxiesXXX High-redshift galaxiesX Metallicity, dynamics and stellar gradientsXX Merger ratesXX