The Discovery of A Luminous Broad Absorption Line Quasar at A Redshift of 7.02. Wang, F., Yang, J., Fan, X., Yue, M., Wu, X., Schindler, J., Bian, F., Li, J., Farina, E. P., Bañados, E., Davies, F. B., Decarli, R., Green, R., Jiang, L., Hennawi, J. F., Huang, Y., Mazzuccheli, C., McGreer, I. D., Venemans, B., Walter, F., & Beletsky, Y. ArXiv e-prints, 1810:arXiv:1810.11925, October, 2018. Paper abstract bibtex Despite extensive efforts, only two quasars have been found at \$z{\textgreater}7\$ to date due to a combination of low spatial density and high contamination from more ubiquitous Galactic cool dwarfs in quasar selection. This limits our current knowledge of the super-massive black hole (SMBH) growth mechanism and reionization history. In this letter, we report the discovery of a luminous quasar at \$z=7.021\$, DELS J003836.10\$-\$152723.6 (hereafter J0038\$-\$1527), selected using photometric data from DESI Legacy imaging Survey (DELS), Pan-STARRS1 (PS1) imaging Survey, as well as Wide-field Infrared Survey Explore (\$WISE\$) mid-infrared all-sky survey. With an absolute magnitude of \$M_\{1450\}\$=\$-\$27.1 and bolometric luminosity of \$L_\{p̌hantom{\}}{\textbackslash}rm Bolp̌hantom{\{}\}\$=5.6\${\textbackslash}times\$10\${\textasciicircum}\{13\}\$ \$L_{\textbackslash}odot\$, J0038\$-\$1527 is the most luminous quasar known at \$z{\textgreater}7\$. Deep optical to near infrared spectroscopic observations suggest that J0038-1527 hosts a 1.3 billion solar mass BH accreting at the Eddington limit, with an Eddington ratio of 1.25\${\textbackslash}pm\$0.19. The CIV broad emission line of J0038\$-\$1527 is blue-shifted by more than 3000 km s\${\textasciicircum}\{-1\}\$ to the systemic redshift. More detailed investigations of the high quality spectra reveal three extremely high velocity CIV broad absorption lines (BALs) with velocity from 0.08 to 0.14 times the speed of light and total balnicity index of more than 5000 km s\${\textasciicircum}\{-1\}\$, suggesting the presence of relativistic outflows. J0038\$-\$1527 is the first quasar found at the epoch of reionization (EoR) with such strong outflows and provides a unique laboratory to investigate AGN feedback on the formation and growth of the most massive galaxies in the early universe.
@article{wang_discovery_2018,
title = {The {Discovery} of {A} {Luminous} {Broad} {Absorption} {Line} {Quasar} at {A} {Redshift} of 7.02},
volume = {1810},
url = {http://adsabs.harvard.edu/abs/2018arXiv181011925W},
abstract = {Despite extensive efforts, only two quasars have been found at \$z{\textgreater}7\$ to date due to a combination of low spatial density and high
contamination from more ubiquitous Galactic cool dwarfs in quasar selection. This limits our current knowledge of the super-massive black hole (SMBH) growth mechanism and reionization history. In this letter, we report the discovery of a luminous quasar at \$z=7.021\$, DELS
J003836.10\$-\$152723.6 (hereafter J0038\$-\$1527), selected using
photometric data from DESI Legacy imaging Survey (DELS), Pan-STARRS1 (PS1) imaging Survey, as well as Wide-field Infrared Survey Explore (\$WISE\$) mid-infrared all-sky survey. With an absolute magnitude of \$M\_\{1450\}\$=\$-\$27.1 and bolometric luminosity of \$L\_\{\vphantom{\}}{\textbackslash}rm
Bol\vphantom{\{}\}\$=5.6\${\textbackslash}times\$10\${\textasciicircum}\{13\}\$ \$L\_{\textbackslash}odot\$, J0038\$-\$1527 is the most luminous quasar known at \$z{\textgreater}7\$. Deep optical to near infrared spectroscopic observations suggest that J0038-1527 hosts a 1.3 billion solar mass BH accreting at the Eddington limit, with an Eddington ratio of
1.25\${\textbackslash}pm\$0.19. The CIV broad emission line of J0038\$-\$1527 is
blue-shifted by more than 3000 km s\${\textasciicircum}\{-1\}\$ to the systemic redshift. More detailed investigations of the high quality spectra reveal three extremely high velocity CIV broad absorption lines (BALs) with velocity from 0.08 to 0.14 times the speed of light and total balnicity index of more than 5000 km s\${\textasciicircum}\{-1\}\$, suggesting the presence of relativistic outflows. J0038\$-\$1527 is the first quasar found at the epoch of reionization (EoR) with such strong outflows and provides a unique laboratory to investigate AGN feedback on the formation and growth of the most massive galaxies in the early universe.},
urldate = {2018-11-01},
journal = {ArXiv e-prints},
author = {Wang, Feige and Yang, Jinyi and Fan, Xiaohui and Yue, Minghao and Wu, Xue-Bing and Schindler, Jan-Torge and Bian, Fuyan and Li, Jiang-Tao and Farina, Emanuele P. and Bañados, Eduardo and Davies, Frederick B. and Decarli, Roberto and Green, Richard and Jiang, Linhua and Hennawi, Joseph F. and Huang, Yun-Hsin and Mazzuccheli, Chiara and McGreer, Ian D. and Venemans, Bram and Walter, Fabian and Beletsky, Yuri},
month = oct,
year = {2018},
keywords = {Astrophysics - Astrophysics of Galaxies},
pages = {arXiv:1810.11925},
}
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This limits our current knowledge of the super-massive black hole (SMBH) growth mechanism and reionization history. In this letter, we report the discovery of a luminous quasar at \\$z=7.021\\$, DELS J003836.10\\$-\\$152723.6 (hereafter J0038\\$-\\$1527), selected using photometric data from DESI Legacy imaging Survey (DELS), Pan-STARRS1 (PS1) imaging Survey, as well as Wide-field Infrared Survey Explore (\\$WISE\\$) mid-infrared all-sky survey. With an absolute magnitude of \\$M_\\{1450\\}\\$=\\$-\\$27.1 and bolometric luminosity of \\$L_\\{p̌hantom{\\}}{\\textbackslash}rm Bolp̌hantom{\\{}\\}\\$=5.6\\${\\textbackslash}times\\$10\\${\\textasciicircum}\\{13\\}\\$ \\$L_{\\textbackslash}odot\\$, J0038\\$-\\$1527 is the most luminous quasar known at \\$z{\\textgreater}7\\$. Deep optical to near infrared spectroscopic observations suggest that J0038-1527 hosts a 1.3 billion solar mass BH accreting at the Eddington limit, with an Eddington ratio of 1.25\\${\\textbackslash}pm\\$0.19. The CIV broad emission line of J0038\\$-\\$1527 is blue-shifted by more than 3000 km s\\${\\textasciicircum}\\{-1\\}\\$ to the systemic redshift. More detailed investigations of the high quality spectra reveal three extremely high velocity CIV broad absorption lines (BALs) with velocity from 0.08 to 0.14 times the speed of light and total balnicity index of more than 5000 km s\\${\\textasciicircum}\\{-1\\}\\$, suggesting the presence of relativistic outflows. J0038\\$-\\$1527 is the first quasar found at the epoch of reionization (EoR) with such strong outflows and provides a unique laboratory to investigate AGN feedback on the formation and growth of the most massive galaxies in the early universe.","urldate":"2018-11-01","journal":"ArXiv e-prints","author":[{"propositions":[],"lastnames":["Wang"],"firstnames":["Feige"],"suffixes":[]},{"propositions":[],"lastnames":["Yang"],"firstnames":["Jinyi"],"suffixes":[]},{"propositions":[],"lastnames":["Fan"],"firstnames":["Xiaohui"],"suffixes":[]},{"propositions":[],"lastnames":["Yue"],"firstnames":["Minghao"],"suffixes":[]},{"propositions":[],"lastnames":["Wu"],"firstnames":["Xue-Bing"],"suffixes":[]},{"propositions":[],"lastnames":["Schindler"],"firstnames":["Jan-Torge"],"suffixes":[]},{"propositions":[],"lastnames":["Bian"],"firstnames":["Fuyan"],"suffixes":[]},{"propositions":[],"lastnames":["Li"],"firstnames":["Jiang-Tao"],"suffixes":[]},{"propositions":[],"lastnames":["Farina"],"firstnames":["Emanuele","P."],"suffixes":[]},{"propositions":[],"lastnames":["Bañados"],"firstnames":["Eduardo"],"suffixes":[]},{"propositions":[],"lastnames":["Davies"],"firstnames":["Frederick","B."],"suffixes":[]},{"propositions":[],"lastnames":["Decarli"],"firstnames":["Roberto"],"suffixes":[]},{"propositions":[],"lastnames":["Green"],"firstnames":["Richard"],"suffixes":[]},{"propositions":[],"lastnames":["Jiang"],"firstnames":["Linhua"],"suffixes":[]},{"propositions":[],"lastnames":["Hennawi"],"firstnames":["Joseph","F."],"suffixes":[]},{"propositions":[],"lastnames":["Huang"],"firstnames":["Yun-Hsin"],"suffixes":[]},{"propositions":[],"lastnames":["Mazzuccheli"],"firstnames":["Chiara"],"suffixes":[]},{"propositions":[],"lastnames":["McGreer"],"firstnames":["Ian","D."],"suffixes":[]},{"propositions":[],"lastnames":["Venemans"],"firstnames":["Bram"],"suffixes":[]},{"propositions":[],"lastnames":["Walter"],"firstnames":["Fabian"],"suffixes":[]},{"propositions":[],"lastnames":["Beletsky"],"firstnames":["Yuri"],"suffixes":[]}],"month":"October","year":"2018","keywords":"Astrophysics - Astrophysics of Galaxies","pages":"arXiv:1810.11925","bibtex":"@article{wang_discovery_2018,\n\ttitle = {The {Discovery} of {A} {Luminous} {Broad} {Absorption} {Line} {Quasar} at {A} {Redshift} of 7.02},\n\tvolume = {1810},\n\turl = {http://adsabs.harvard.edu/abs/2018arXiv181011925W},\n\tabstract = {Despite extensive efforts, only two quasars have been found at \\$z{\\textgreater}7\\$ to date due to a combination of low spatial density and high\ncontamination from more ubiquitous Galactic cool dwarfs in quasar selection. This limits our current knowledge of the super-massive black hole (SMBH) growth mechanism and reionization history. In this letter, we report the discovery of a luminous quasar at \\$z=7.021\\$, DELS\nJ003836.10\\$-\\$152723.6 (hereafter J0038\\$-\\$1527), selected using\nphotometric data from DESI Legacy imaging Survey (DELS), Pan-STARRS1 (PS1) imaging Survey, as well as Wide-field Infrared Survey Explore (\\$WISE\\$) mid-infrared all-sky survey. With an absolute magnitude of \\$M\\_\\{1450\\}\\$=\\$-\\$27.1 and bolometric luminosity of \\$L\\_\\{\\vphantom{\\}}{\\textbackslash}rm\nBol\\vphantom{\\{}\\}\\$=5.6\\${\\textbackslash}times\\$10\\${\\textasciicircum}\\{13\\}\\$ \\$L\\_{\\textbackslash}odot\\$, J0038\\$-\\$1527 is the most luminous quasar known at \\$z{\\textgreater}7\\$. Deep optical to near infrared spectroscopic observations suggest that J0038-1527 hosts a 1.3 billion solar mass BH accreting at the Eddington limit, with an Eddington ratio of\n1.25\\${\\textbackslash}pm\\$0.19. The CIV broad emission line of J0038\\$-\\$1527 is\nblue-shifted by more than 3000 km s\\${\\textasciicircum}\\{-1\\}\\$ to the systemic redshift. More detailed investigations of the high quality spectra reveal three extremely high velocity CIV broad absorption lines (BALs) with velocity from 0.08 to 0.14 times the speed of light and total balnicity index of more than 5000 km s\\${\\textasciicircum}\\{-1\\}\\$, suggesting the presence of relativistic outflows. J0038\\$-\\$1527 is the first quasar found at the epoch of reionization (EoR) with such strong outflows and provides a unique laboratory to investigate AGN feedback on the formation and growth of the most massive galaxies in the early universe.},\n\turldate = {2018-11-01},\n\tjournal = {ArXiv e-prints},\n\tauthor = {Wang, Feige and Yang, Jinyi and Fan, Xiaohui and Yue, Minghao and Wu, Xue-Bing and Schindler, Jan-Torge and Bian, Fuyan and Li, Jiang-Tao and Farina, Emanuele P. and Bañados, Eduardo and Davies, Frederick B. and Decarli, Roberto and Green, Richard and Jiang, Linhua and Hennawi, Joseph F. and Huang, Yun-Hsin and Mazzuccheli, Chiara and McGreer, Ian D. and Venemans, Bram and Walter, Fabian and Beletsky, Yuri},\n\tmonth = oct,\n\tyear = {2018},\n\tkeywords = {Astrophysics - Astrophysics of Galaxies},\n\tpages = {arXiv:1810.11925},\n}\n\n","author_short":["Wang, F.","Yang, J.","Fan, X.","Yue, M.","Wu, X.","Schindler, J.","Bian, F.","Li, J.","Farina, E. 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