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Discovery of a damped Ly galaxy at z 3 towards the quasar SDSS J011852+040644
Ravi Joshi, Michele Fumagalli, Raghunathan Srianand +11
We report the detection of the host galaxy of a damped Ly system (DLA) with log N(HI) = at towards the background quasar SDSS…
A possible bright ultraviolet flash from a galaxy at redshift z ~ 11
Linhua Jiang, Shu Wang, Bing Zhang +8
In the optical sky, minutes-duration transients from cosmological distances are rare. Known objects that give rise to such transients include gamma-ray bursts (GRBs), the most lumi…
Evidence for GN-z11 as a luminous galaxy at redshift 10.957
Linhua Jiang, Nobunari Kashikawa, Shu Wang +9
GN-z11 was photometrically selected as a luminous star-forming galaxy candidate at redshift z > 10 based on Hubble Space Telescope (HST) imaging data. Follow-up HST near-infrared g…
Constraining the Halo Mass of Damped Ly Absorption Systems (DLAs) at using the Quasar-CMB Lensing Cross-correlation
Xiaojing Lin, Zheng Cai, Yin Li +2
We study the cross correlation of damped Ly systems (DLAs) and their background quasars, using the most updated DLA catalog and the Planck 2018 CMB lensing convergence field. Ou…
MAMMOTH: Confirmation of Two Massive Galaxy Overdensities at with H Emitters
XianZhong Zheng, Zheng Cai, FangXia An +2
Massive galaxy overdensities at the peak epoch of cosmic star formation provide ideal testbeds for the formation theories of galaxies and large-scale structure. We report the confi…
Statistical correlation between the distribution of Ly emitters and IGM HI at mapped by Subaru/Hyper Suprime-Cam
Yongming Liang, Nobunari Kashikawa, Zheng Cai +11
The correlation between neutral Hydrogen (HI) in the intergalactic medium (IGM) and galaxies now attracts great interests. We select four fields which include several coherently st…
Neutrino-dominated accretion flows: second nucleosynthesis factory in core-collapse supernovae and regulation of iron markets in galaxies
Tong Liu, Yan-Qing Qi, Zhen-Yi Cai +3
Cosmic metals are widely believed to be produced by supernovae (SNe) and compact object mergers. Here, we discuss the nucleosynthesis of neutrino-dominated accretion flows (NDAFs)…
A detailed study of massive galaxies in a protocluster at z=3.13
Ke Shi, Jun Toshikawa, Zheng Cai +2
We present a detailed study of Near-IR selected galaxies in a protocluster field at z = 3.13. Protocluster galaxies are selected using the available mutliwavelength data with the p…
EUCLIA. II. On the puzzling large UV to X-ray lags in Seyfert galaxies
Zhen-Yi Cai, Jun-Xian Wang, Mouyuan Sun
Recent intense X-ray and UV monitoring campaigns with Swift have detected clear UV lags behind X-ray in several local active galactic nuclei (AGNs). The UV to X-ray lags are often…
Deep Hubble Space Telescope Imaging on the Extended Ly Emission of a QSO at with Damped Lyman Alpha System as a Natural Coronagraph
Jiani Ding, Zheng Cai, J. Xavier Prochaska +5
Recent observations suggest that proximate damped Ly (PDLA) systems can be used to study the host galaxies of Quasi-stellar objects (QSOs), because the PDLAs can block the brigh…
The Faint Host Galaxies of C IV Absorbers at z > 5
Kristian Finlator, Caitlin Doughty, Zheng Cai +1
We explore the expected galaxy environments of CIV absorbers at z>5 using the Technicolor Dawn simulations. These simulations reproduce the observed history of reionization, the z~…
Understanding galaxy formation and evolution through an all-sky submillimetre spectroscopic survey
Mattia Negrello, Matteo Bonato, Zhen-Yi Cai +4
We illustrate the extraordinary discovery potential for extragalactic astrophysics of a far-IR/submm all-sky spectroscopic survey with a 3m-class space telescope. Spectroscopy prov…