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9 ½ empirical Lyα relationships

9 ½ empirical Lyα relationships. Jeff Cooke. 9 ½ empirical Lyα relationships. Intrinsic and extrinsic empirical Lyα relationships. UV continuum reddening, β parameter ISM absorption line width/strength Outflows and HI column density/covering fraction Morphology Luminosity

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9 ½ empirical Lyα relationships

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  1. 9 ½ empirical Lyα relationships Jeff Cooke

  2. 9 ½ empirical Lyα relationships Intrinsic and extrinsic empirical Lyα relationships UV continuum reddening, β parameter ISM absorption line width/strength Outflows and HI column density/covering fraction Morphology Luminosity 5.5 Kinematics 6 Escaping ionizing photons Small-scale environment/interactions 8 Dark matter halo mass (HOD) Large-scale spatial distribution (anti-correlation) 9.5 Morphology - density relation

  3. Lyα and spectral properties aLBG eLBG Shapley+ (2003) 1: Relationship with UV continuum slope (β parameter)

  4. Lyα and spectral properties aLBG eLBG Shapley+ (2003) 1: Relationship with UV continuum slope (β parameter) 2: Relationship with ISM line strength

  5. Lyα and spectral properties aLBG eLBG Shapley+ (2003) 1: Relationship with UV continuum slope (β parameter) 2: Relationship with ISM line strength 3: Relationship with outflows and/or HI column density

  6. Lyα and morphology HST imaging ~1.5” (~10kpc) aLBG eLBG Law+ 2007, 2012a, 2012b 4:Relationship with morphology (restframe UV and optical)

  7. Lyα and the CMD Steidel et al. (2003) z~3 data set: ~2,500 LBGs, ~800 spectra spectroscopic aLBGs spectroscopic eLBGs photometric LBGs aLBGs aLBGs and eLBGs naturally segregate on the CMD eLBGs Cooke (2009) 5:Relationship with luminosity

  8. Lyα and the CMD CFHTLS Deep Fields z~3 data set: ~55,000 LBGs, ~200 Keck spectra spectroscopic aLBGs spectroscopic eLBGs contours denote photometric LBGs aLBGs eLBGs Cooke+ (2013) 5:Relationship with luminosity

  9. Lyα and kinematics Wiggle-z data z ~ 1.5 Disks Dispersion dominated Emily Wisnioski and the Wiggle-z team 5.5:Potential relationship with internal kinematics

  10. Lyα and ionizing photon escape fraction Observed ionizing photon fraction = (< 912Å photons) / (1500Å photons) 0% Cooke+ (2014) 6:Potential relationship with the fraction of escaping ionizing photons Observed fraction of ionising photons

  11. Lyα and small-scale environment Cooke+ (2010)

  12. Lyα and small-scale environment Separation (kpc) Cooke + (2010) 7:Relationship with pair separation – interaction indicator

  13. Lyα and environment

  14. Lyα and the CMD CFHTLS Deep Fields z~3 data set: ~55,000 LBGs, ~200 Keck spectra spectroscopic aLBGs spectroscopic eLBGs contours denote photometric LBGs aLBGs eLBGs Cooke+ (2013)

  15. Lyα and large-scale environment Full LBG auto- correlation ≈55,000 galaxies * scaled to z ≈ 3 Cooke+ (2013)

  16. Lyα and large-scale environment aLBG auto- correlation Cooke+ (2013)

  17. Lyα and large-scale environment eLBG auto- correlation Cooke+ (2013) 8:Relationship with parent DM halo mass, HOD

  18. Lyα and large-scale environment a/eLBG cross- correlation Cooke+ (2013)

  19. Lyα and large-scale environment a/eLBG cross- correlation Cooke+ (2013) 9:Relationship with spatial distribution Cooke, Omori, Ryan-Weber (2013)

  20. Lyα and large-scale environment Cooke+ (2013)

  21. Lyα and large-scale environment (-22.5) (-21.5) (-20.5) (-19.5) SDSS DR7 correlation functions Wang, Brunner, & Dolence (2013)

  22. Lyα and large-scale environment

  23. Lyα and large-scale environment Here: radii of 2 – 4 Mpc h70-1

  24. Lyα and large-scale environment Here: radii of 2 – 4 Mpc h70-1 Cooke+ (2013)

  25. Lyα and large-scale environment Here: radii of 2 – 4 Mpc h70-1 Cooke+ (2013)

  26. Lyα and large-scale environment 9 ½:Potential relationship with large-scale environment i.e., the morphology-density relation at high redshift eLBG aLBG

  27. summary Intrinsic and extrinsic empirical Lyα relationships UV continuum reddening, β parameter ISM absorption line width/strength Outflows and HI column density/covering fraction Morphology Luminosity 5.5 Kinematics 6 Escaping ionizing photons Small-scale environment/interactions 8 Dark matter halo mass (HOD) Large-scale spatial distribution (anti-correlation) 9.5 Morphology - density relation

  28. Lyα and large-scale environment a/eLBG cross- correlation Cooke+ (2013)

  29. Lyα and large-scale environment gLBG auto- correlation g/aLBG cross- correlation g/eLBG cross- correlation Cooke+ (2013)

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