%0 Generic %1 hutter2015clustering %A Hutter, Anne %A Dayal, Pratika %A Müller, Volker %D 2015 %K emission high-z lbg lya reionization %T Clustering and lifetime of Lyman Alpha Emitters in the Epoch of Reionization %U http://arxiv.org/abs/1503.05201 %X We calculate Lyman Alpha Emitter (LAE) angular correlation functions (ACFs) at $z\simeq6.6$ and the fraction of lifetime (for the 100 Myrs preceding $z\simeq6.6$) galaxies spend as Lyman Break Galaxies (LBGs) with/without Lyman Alpha (Ly\alpha) emission using a model that combines SPH cosmological simulations (GADGET-2), dust attenuation and a radiative transfer code (pCRASH). The ACFs are a powerful tool that significantly narrows the 3D parameter space allowed by LAE Ly$\alpha$ and UV luminosity functions (LFs) alone. With this work, we simultaneously constrain the escape fraction of ionizing photons $f_esc=0.05-0.5$, the mean fraction of neutral hydrogen in the intergalactic medium (IGM) $<\chi_HI>0.01$ and the dust-dependent ratio of the escape fractions of Ly$\alpha$ and UV continuum photons $f_\alpha/f_c=0.6-1.2$. Our results show that reionization has the largest impact on the amplitude of the ACFs, and its imprints are clearly distinguishable from those of $f_esc$ and $f_\alpha/f_c$. We also show that galaxies with a critical stellar mass of $M_* = 10^8.5 (10^9.5) M_ødot$ produce enough luminosity to stay visible as LBGs (LAEs). Finally, the fraction of time during the past 100 Myrs prior to z=6.6 a galaxy spends as a LBG with (without) Lya emission increases with the UV magnitude (and $M_*$): considering observed (dust and IGM attenuated) luminosities, the fraction of time a galaxy spends as a LBG (LAE) increases from 65% to 100% (0-100%) as $M_UV$ decreases from $M_UV = -18.0$ to $-23.5$ ($M_*$ increases from $10^8-10^10.5 M_ødot$). Thus in our model the brightest (most massive) LBGs most often show Ly$\alpha$ emission.

@misc{hutter2015clustering, abstract = {We calculate Lyman Alpha Emitter (LAE) angular correlation functions (ACFs) at $z\simeq6.6$ and the fraction of lifetime (for the 100 Myrs preceding $z\simeq6.6$) galaxies spend as Lyman Break Galaxies (LBGs) with/without Lyman Alpha (Ly\alpha) emission using a model that combines SPH cosmological simulations (GADGET-2), dust attenuation and a radiative transfer code (pCRASH). The ACFs are a powerful tool that significantly narrows the 3D parameter space allowed by LAE Ly$\alpha$ and UV luminosity functions (LFs) alone. With this work, we simultaneously constrain the escape fraction of ionizing photons $f_{esc}=0.05-0.5$, the mean fraction of neutral hydrogen in the intergalactic medium (IGM) $<\chi_{HI}>\leq 0.01$ and the dust-dependent ratio of the escape fractions of Ly$\alpha$ and UV continuum photons $f_\alpha/f_c=0.6-1.2$. Our results show that reionization has the largest impact on the amplitude of the ACFs, and its imprints are clearly distinguishable from those of $f_{esc}$ and $f_\alpha/f_c$. We also show that galaxies with a critical stellar mass of $M_* = 10^{8.5} (10^{9.5}) M_\odot$ produce enough luminosity to stay visible as LBGs (LAEs). Finally, the fraction of time during the past 100 Myrs prior to z=6.6 a galaxy spends as a LBG with (without) Lya emission increases with the UV magnitude (and $M_*$): considering observed (dust and IGM attenuated) luminosities, the fraction of time a galaxy spends as a LBG (LAE) increases from 65% to 100% (0-100%) as $M_{UV}$ decreases from $M_{UV} = -18.0$ to $-23.5$ ($M_*$ increases from $10^8-10^{10.5} M_\odot$). Thus in our model the brightest (most massive) LBGs most often show Ly$\alpha$ emission.}, added-at = {2015-03-19T07:46:03.000+0100}, author = {Hutter, Anne and Dayal, Pratika and Müller, Volker}, biburl = {https://www.bibsonomy.org/bibtex/2386b20d03877897fb8edd11567a4ffd1/miki}, description = {[1503.05201] Clustering and lifetime of Lyman Alpha Emitters in the Epoch of Reionization}, interhash = {f00193854cf2c2449154f729fb8a86fa}, intrahash = {386b20d03877897fb8edd11567a4ffd1}, keywords = {emission high-z lbg lya reionization}, note = {cite arxiv:1503.05201Comment: 12 pages, 7 figures, version revised by referee's comments, resubmitted to MNRAS, comments welcome}, timestamp = {2015-03-19T07:46:03.000+0100}, title = {Clustering and lifetime of Lyman Alpha Emitters in the Epoch of Reionization}, url = {http://arxiv.org/abs/1503.05201}, year = 2015 }