Joe Hennawi
Professor Cosmology
- Name
- Prof.dr. J.F. Hennawi
- Telephone
- +31 71 527 8472
- hennawi@strw.leidenuniv.nl
Professor Cosmology
- Faculty of Science
- Leiden Observatory
- Leiden Observatory
- Bañados E., Momjian E., Connor T., Belladitta S., Decarli R., Mazzucchelli C., Venemans B.P., Walter F., Wang F., Xie Z.-L., Barth A.J., Eilers A.-C., Fan X., Khusanova Y., Schindler J.-T., Stern D., Yang J., Andika I.T., Carilli C.L., Farina E.P., Fabian A., Hennawi J.F., Pensabene A. & Rojas-Ruiz S. (2025), A blazar in the epoch of reionization, Nature Astronomy 9: 293-301.
- Onorato S. & Hennawi J.F (2024), Public release of near-infrared and optical spectroscopy of quasars at z>6.5 and analysis of their proximity zones, EAS2024, European Astronomical Society Annual Meeting. EAS2024, European Astronomical Society Annual Meeting 1 July 2024 - 5 July 2024 510.
- Pizzati E., Hennawi J.F., Schaye J., Schaller M., Eilers A.-C., Wang F., Frenk C.S., Elbers W., Helly J.C., Mackenzie R., Matthee J., Bordoloi R., Kashino D., Naidu R.P. & Yue M. (2024), A unified model for the clustering of quasars and galaxies at z ≈ 6, Monthly Notices of the Royal Astronomical Society 534(4): 3155-3175.
- Eilers A.-C., Mackenzie R., Pizzati E., Matthee J., Hennawi J.F., Zhang H., Bordoloi R., Kashino D., Lilly S.J., Naidu R.P., Simcoe R.A., Yue M., Frenk C.S., Helly J.C., Schaller M. & Schaye J. (2024), EIGER. VI. The correlation function, host halo mass, and duty cycle of luminous quasars at z ≳ 6, The Astrophysical Journal 974(2): 275.
- Pizzati E., Hennawi J. & Schaye J. (2024), Shedding light on obscuration: connecting the properties of UV-bright quasars to the new population of JWST `little red dots'', EAS2024, European Astronomical Society Annual Meeting. EAS2024, European Astronomical Society Annual Meeting 1 July 2024 - 5 July 2024. Padova, Italy 2218.
- Pizzati E., Hennawi J., Schaye J. & Schaller M. (2024), Tracing the rapid evolution of supermassive black holes with high-z quasar clustering measurements, EAS2024, European Astronomical Society Annual Meeting. EAS2024, European Astronomical Society Annual Meeting 1 July 2024 - 5 July 2024. Padova, Italy 423.
- Pizzati E., Hennawi J.F., Schaye J. & Schaller M. (2024), Revisiting the extreme clustering of z ≈ 4 quasars with large volume cosmological simulations, Monthly Notices of the Royal Astronomical Society 528(3): 4466-4489.
- Jin Z., Wolfson M., Hennawi J.F. & González-Hernández D. (2024), Neural network emulator to constrain the high-z IGM thermal state from Lyman-α forest flux auto-correlation function, Monthly Notices of the Royal Astronomical Society : .
- Li M., Zhang H., Cai Z., Liang Y., Kashikawa N., Ma K., Fan X., Prochaska J.X., Emonts B.H.C., Wang X., Wu Y., Zhang S., Li Q., Johnson S.D., Yue M., Arrigoni Battaia F., Cantalupo S., Hennawi J.F., Kikuta S., Ning Y., Ouchi M., Shimakawa R., Wang B., Wang W., Zheng Z. & Zheng Z.-Y. (2024), MAMMOTH-Subaru. II: diverse populations of circumgalactic Ly-α nebulae at cosmic noon, The Astrophysical Journal Supplement Series 275(2): 27.
- Tie S.S., Hennawi J.F., Wang F., Onorato S., Yang J., Bañados E., Davies F.B. & Oñorbe J. (2024), First measurement of the Mg II forest correlation function in the Epoch of Reionization, Monthly Notices of the Royal Astronomical Society 535(1): 223-246.
- Jin X., Yang J., Fan X., Wang F., Kakiichi K., Meyer R.A., Becker G.D., Zou S., Bañados E., Champagne J.B., D'Odorico V., Yue M., Bosman S.E.I., Cai Z., Eilers A.C., Hennawi J.F., Jun H.D., Li M., Li Z., Liu W., Pudoka M., Satyavolu S., Sun F., Tee W.L. & Wu Y. (2024), A SPectroscopic Survey of Biased Halos In the Reionization Era (ASPIRE): JWST supports earlier reionization around [O III] emitters, The Astrophysical Journal 976(1): 93.
- Carvalho A.S., Doppmann G., Westfall K.B., Pelliccia D., Prochaska J.X., Hennawi J.F., Davies F.B., Brodheim M., Wang F. & Cooke R. (2024), Robust support for semi-automated reductions of Keck/NIRSPEC data using PypeIt, Research Notes of the American Astronomical Society 8(10): 271.
- Khaire V., Hu T., Hennawi J.F., Burchett J.N., Walther M. & Davies F. (2024), Searching for the imprints of AGN feedback on the Lyman alpha forest around luminous red galaxies, Monthly Notices of the Royal Astronomical Society 534(1): 465-484.
- Lin X., Wang F., Fan X., Cai Z., Champagne J.B., Sun F., Volonteri M., Yang J., Hennawi J.F., Bañados E., Barth A., Eilers A.-C., Farina E.P., Liu W., Jin X., Jun H.D., Lupi A., Kakiichi K., Mazzucchelli C., Onoue M., Pan Z., Pizzati E., Rojas-Ruiz S., Schindler J.-T., Trakhtenbrot B., Shen Y., Trebitsch M., Zhuang M.-Y., Endsley R., Meyer R.A., Li Z., Li M., Pudoka M., Tee W.L., Wu Y. & Zhang H. (2024), A SPectroscopic Survey of Biased Halos In the Reionization Era (ASPIRE): Broad-line AGN at z = 4‑5 revealed by JWST/NIRCam WFSS, The Astrophysical Journal 974(1): 147.
- Martínez-Ramírez L.N., Calistro Rivera G., Lusso E., Bauer F.E., Nardini E., Buchner J., Brown M.J.I., Pineda J.C.B., Temple M.J., Banerji M., Stalevski M. & Hennawi J.F. (2024), AGNFITTER-RX: Modeling the radio-to-X-ray spectral energy distributions of AGNs, Astronomy and Astrophysics 688: A46.
- Temple M.J., Rankine A.L., Banerji M., Hennawi J.F., Hewett P.C., Matthews J.H., Nanni R., Ricci C. & Richards G.T. (2024), [O III] emission in z ~ 2 quasars with and without broad absorption lines, Monthly Notices of the Royal Astronomical Society 532(1): 424-437.
- Wolfson M., Hennawi J.F., Bosman S.E.I., Davies F.B., Lukić Z., Becker G.D., Chen H., Cupani G., D'Odorico V., Eilers A.-C., Haehnelt M.G., Keating L.C., Kulkarni G., Lai S., Mesinger A., Walter F. & Zhu Y. (2024), Measurements of the z > 5 Lyman-α forest flux autocorrelation functions from the extended XQR-30 data set, Monthly Notices of the Royal Astronomical Society 531(3): 3069-3087.
- Davies F.B., Bosman S.E.I., Gaikwad P., Nasir F., Hennawi J.F., Becker G.D., Haehnelt M.G., D'Odorico V., Bischetti M., Eilers A.-C., Keating L.C., Kulkarni G., Lai S., Mazzucchelli C., Qin Y., Satyavolu S., Wang F., Yang J. & Zhu Y. (2024), Constraints on the evolution of the ionizing background and ionizing photon mean free path at the end of reionization, The Astrophysical Journal 965(2): 134.
- Zou S., Cai Z., Wang F., Fan X., Champagne J.B., Hennawi J.F., Schindler J.T., Farina E.P., Yang J., Inayoshi K., Bañados E., Bosman S.E.I., Li Z., Lin X., Wu Y., Sun F., Guo Z., Kulkuarni G., Habouzit M., Charlot S., Chevallard J., Connor T., Eilers A.-C., Jiang L., Jin X., Kakiichi K., Li M., Meyer R.A., Walter F. & Zhang H. (2024), A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE): impact of galaxies on the circumgalactic medium metal enrichment at z > 6 using the JWST and VLT, Astrophysical Journal Letters 963(1): L28.
- Wang F., Yang J., Hennawi J.F., Fan X., Yue M., Bañados E., Bechtel S., Bian F., Bosman S., Champagne J.B., Davies F.B., Decarli R., Farina E.P., Mazzucchelli C., Venemans B.P. & Walter F. (2024), A massive protocluster anchored by a luminous quasar at z = 6.63, Astrophysical Journal Letters 962(1): L11.
- Khaire V., Hu T., Hennawi J.F., Walther M. & Davies F. (2024), Can the low-redshift Lyman alpha forest constrain AGN feedback models?, Monthly Notices of the Royal Astronomical Society 527(3): 4545-4562.
- Wang F., Yang J., Fan X., Venemans B.P., Decarli R., Bañados E., Walter F., Barth A.J., Bian F., Davies F.B., Eilers A.-C., Farina E.P., Hennawi J.F., Li J.-T., Mazzucchelli C., Wang R., Wu X.-B. & Yue M. (2024), A spatially resolved [C II] survey of 31 z ∼ 7 massive galaxies hosting luminous quasars, The Astrophysical Journal 968(1): 9.
- Wang B., Hennawi J. & Schindler J.-T. (2024), Uncovering the Type-2 QSO Population at High Redshift Using Keck, Gemini and Eculid, EAS2024, European Astronomical Society Annual Meeting. EAS2024, European Astronomical Society Annual Meeting 1 July 2024 - 5 July 2024. Padova, Italy 264.
- Yang D.-M., Schindler J.T., Nanni R., Hennawi J.F., Bañados E., Fan X., Gloudemans A.J., Mazzucchelli C., Rottgering H., Venemans B.P., Wang F. & Yang J. (2024), High-z quasar candidate archive: a spectroscopic catalogue of quasars and contaminants in various quasar searches, Monthly Notices of the Royal Astronomical Society 528(2): 2679-2710.
- Doughty C.C., Hennawi J.F., Davies F.B., Lukić Z. & Oñorbe J. (2023), Convergence of small scale Lyα structure at high-z under different reionization scenarios, Monthly Notices of the Royal Astronomical Society 525(3): 3790-3805.
- Hu T., Khaire V., Hennawi J.F., Oñorbe J., Walther M., Lukic Z. & Davies F. (2023), The impact of the WHIM on the IGM thermal state determined from the low-z Lyman-α forest, Monthly Notices of the Royal Astronomical Society 527(4): 11338–11359.
- Wu Y., Cai Z., Li J., Finlator K., Neeleman M., Prochaska J.X., Emonts B.H.C., Zhang S., Wang F., Yang J., Wang R., Fan X., Xu D., Golden-Marx E., Keating L.C. & Hennawi J.F. (2023), Searching for C II emission from the first sample of z~6 O I absorption-associated galaxies with the Atacama Large Millimeter/submillimeter Array, The Astrophysical Journal 958(1): 16.
- Wu Y., Wang F., Cai Z., Fan X., Finlator K., Yang J., Hennawi J.F., Sun F., Champagne J.B., Lin X., Li Z., Chen Z., Bañados E., Becker G.D., Bosman S.E.I., Bruzual G., Charlot S., Chen H.-W., Chevallard J., Eilers A.-C., Farina E.P., Jin X., Jun H.D., Kakiichi K., Li M., Liu W., Pudoka M.A., Tee W.L., Xie Z.-L. & Zou S. (2023), A spectroscopic survey of biased halos in the reionization era (ASPIRE): JWST discovers an overdensity around a metal absorption-selected galaxy at z~5.5, Astrophysical Journal Letters 956(2): L40.
- Maseda M.V., Lewis Z., Matthee J., Hennawi J.F., Boogaard L., Feltre A., Nanayakkara T., Bacon R., Barger A., Brinchmann J., Franx M., Hashimoto T., Inami H., Kusakabe H., Leclercq F., Rowland L.E., Taylor A.J., Tremonti C., Urrutia T., Schaye J., Simmonds C. & Vitte E. (2023), JWST/NIRSpec measurements of extremely low metallicities in high equivalent width Lyα emitters, The Astrophysical Journal 956(1): 11.
- Kakiichi K., Hennawi J.F., Ono Y., Inoue A.K., Ouchi M., Ellis R.S., Meyer R.A. & Bosman S.I. (2023), Photometric IGM tomography with Subaru/HSC: the large-scale structure of Ly-α emitters and IGM transmission in the COSMOS field at z ~ 5, Monthly Notices of the Royal Astronomical Society 523(2): 1772-1798.
- Yue M., Eilers A.-C., Simcoe R.A., Belli S., Davies F.B., DePalma D., Hennawi J.F., Mason C.A., Muñoz J.B., Nelson E.J. & Tacchella S. (2023), Detecting and characterizing young quasars. III. The impact of gravitational lensing magnification, The Astrophysical Journal 950(2): 105.
- Wolfson M., Hennawi J.F., Davies F.B. & Oñorbe J. (2023), Forecasting constraints on the mean free path of ionizing photons at z ≥ 5.4 from the Lyman-α forest flux autocorrelation function, Monthly Notices of the Royal Astronomical Society 521(3): 4056-4073.
- Jin X., Yang J., Fan X., Wang F., Bañados E., Bian F., Davies F.B., Eilers A.-C., Farina E.P., Hennawi J.F., Pacucci F., Venemans B.P. & Walter F. (2023), (Nearly) Model-independent constraints on the neutral hydrogen fraction in the intergalactic medium at z 5-7 using dark pixel fractions in Ly-α and Ly-β forests, The Astrophysical Journal 942(2): 59.
- D'Odorico V., Bañados E., Becker G.D., Bischetti M., Bosman S.E.I., Cupani G., Davies R., Farina E.P., Ferrara A., Feruglio C., Mazzucchelli C., Ryan-Weber E., Schindler J.T., Sodini A., Venemans B.P., Walter F., Chen H., Lai S., Zhu Y., Bian F., Campo S., Carniani S., Cristiani S., Davies F., Decarli R., Drake A., Eilers A.-C., Fan X., Gaikwad P., Gallerani S., Greig B., Haehnelt M.G., Hennawi J.F., Keating L., Kulkarni G., Mesinger A., Meyer R.A., Neeleman M., Onoue M., Pallottini A., Qin Y., Rojas-Ruiz S., Satyavolu S., Sebastian A., Tripodi R., Wang F., Wolfson M., Yang J. & Zanchettin M.V. (2023), XQR-30: The ultimate XSHOOTER quasar sample at the reionization epoch, Monthly Notices of the Royal Astronomical Society 523(1): 1399-1420.
- Bañados E., Schindler J.T., Venemans B.P., Connor T., Decarli R., Farina E.P., Mazzucchelli C., Meyer R.A., Stern D., Walter F., Fan X., Hennawi J.F., Khusanova Y., Morrell N., Nanni R., Noirot G., Pensabene A., Rix H.-W., Simon J., Verdoes Kleijn G.A., Xie Z.-L., Yang D. & Connor A. (2023), The pan-STARRS1 z > 5.6 quasar survey. II. Discovery of 55 quasars at 5.6 < z < 6.5, The Astrophysical Journal Supplement Series 265(1): 29.
- Yang J., Wang F., Fan X., Hennawi J.F., Barth A.J., Bañados E., Sun F., Liu W., Cai Z., Jiang L., Li Z., Onoue M., Schindler J.T., Shen Y., Wu Y., Bhowmick A.K., Bieri R., Blecha L., Bosman S., Champagne J.B., Colina L., Connor T., Costa T., Davies F.B., Decarli R., De Rosa G., Drake A.B., Egami E., Eilers A.-C., Evans A.E., Farina E.P., Habouzit M., Haiman Z., Jin X., Jun H.D., Kakiichi K., Khusanova Y., Kulkarni G., Loiacono F., Lupi A., Mazzucchelli C., Pan Z., Rojas-Ruiz S., Strauss M.A., Tee W.L., Trakhtenbrot B., Trebitsch M., Venemans B.P., Vestergaard M., Volonteri M., Walter F., Xie Z.-L., Yue M., Zhang H., Zhang H. & Zou S. (2023), A spectroscopic survey of biased halos in the reionization era (ASPIRE): a first look at the rest-frame optical spectra of z > 6.5 quasars using JWST, Astrophysical Journal Letters 951(1): L5.
- Wang F., Yang J., Hennawi J.F., Fan X., Sun F., Champagne J.B., Costa T., Habouzit M., Endsley R., Li Z., Lin X., Meyer R.A., Schindler J.T., Wu Y., Bañados E., Barth A.J., Bhowmick A.K., Bieri R., Blecha L., Bosman S., Cai Z., Colina L., Connor T., Davies F.B., Decarli R., De Rosa G., Drake A.B., Egami E., Eilers A.-C., Evans A.E., Farina E.P., Haiman Z., Jiang L., Jin X., Jun H.D., Kakiichi K., Khusanova Y., Kulkarni G., Li M., Liu W., Loiacono F., Lupi A., Mazzucchelli C., Onoue M., Pudoka M.A., Rojas-Ruiz S., Shen Y., Strauss M.A., Tee W.L., Trakhtenbrot B., Trebitsch M., Venemans B., Volonteri M., Walter F., Xie Z.-L., Yue M., Zhang H., Zhang H. & Zou S. (2023), A spectroscopic survey of biased halos in the reionization era (ASPIRE): JWST reveals a filamentary structure around a z = 6.61 quasar, Astrophysical Journal Letters 951(1): L4.
- Ishikawa Y., Wang B., Zakamska N.L., Richards G.T., Hennawi J.F. & Rivera A.B. (2023), Infrared spectroscopic confirmation of z~2 photometrically selected obscured quasars, Monthly Notices of the Royal Astronomical Society 522(1): 350-361.
- García-Vergara C.J., Rybak M., Hodge J.A., Hennawi J.F., Decarli R., González-López J., Arrigoni-Battaia F., Aravena M. & Farina E.P. (2022), ALMA reveals a large overdensity and strong clustering of galaxies in quasar environments at z ~ 4, The Astrophysical Journal 927(1): 65.
- Gloudemans A.J., Duncan K.J., Saxena A., Harikane Y., Hill G.J., Zeimann G.R., Röttgering H.J.A., Yang D., Best P.N., Bañados E., Drabent A., Hardcastle M.J., Hennawi J.F., Lansbury G., Magliocchetti M., Miley G.K., Nanni R., Shimwell T.W., Smith D.J.B., Venemans B.P. & Wagenveld J.D. (2022), Discovery of 24 radio-bright quasars at 4.9 <= z <= 6.6 using low-frequency radio observations, Astronomy and Astrophysics 668: A27.
- Farina E.P., Schindler J.T., Walter F., Bañados E., Davies F.B., Decarli R., Eilers A.-C., Fan X., Hennawi J.F., Mazzucchelli C., Meyer R.A., Trakhtenbrot B., Volonteri M., Wang F., Worseck G., Yang J., Gutcke T.A., Venemans B.P., Bosman S.E.I., Costa T., Rosa G.D., Drake A.B. & Onoue M. (2022), The X-shooter/ALMA sample of quasars in the epoch of reionization. II. Black hole masses, Eddington ratios, and the formation of the first quasars, The Astrophysical Journal 941(2): 106.
- Nanni R., Hennawi J.F., Wang F., Yang J., Schindler J.T. & Fan X. (2022), Paving the way for Euclid and JWST via probabilistic selection of high-redshift quasars, Monthly Notices of the Royal Astronomical Society 515(3): 3224-3248.
- Kakiichi K., Schmidt T. & Hennawi J.F. (2022), Photometric IGM tomography: efficiently mapping quasar light echoes with deep narrow-band imaging, Monthly Notices of the Royal Astronomical Society 516(1): 582-601.
- Tie S.S., Hennawi J.F., Kakiichi K. & Bosman S.E.I. (2022), Constraining IGM enrichment and metallicity with the C IV forest correlation function, Monthly Notices of the Royal Astronomical Society 515(3): 3656-3673.
- Hu T., Khaire V., Hennawi J.F., Walther M., Hiss H., Alsing J., Oñorbe J., Lukic Z. & Davies F. (2022), Measuring the thermal and ionization state of the low-z IGM using likelihood free inference, Monthly Notices of the Royal Astronomical Society 515(2): 2188-2207.
- Bosman S.E.I., Davies F.B., Becker G.D., Keating L.C., Davies R.L., Zhu Y., Eilers A.-C., D'Odorico V., Bian F., Bischetti M., Cristiani S.V., Fan X., Farina E.P., Haehnelt M.G., Hennawi J.F., Kulkarni G., Mesinger A., Meyer R.A., Onoue M., Pallottini A., Qin Y., Ryan-Weber E., Schindler J.-T., Walter F., Wang F. & Yang J. (2022), Hydrogen reionization ends by z = 5.3: lyman-alpha optical depth measured by the XQR-30 sample, Monthly Notices of the Royal Astronomical Society 514(1): 55-76.
- Greig B., Mesinger A., Davies F.B., Wang F., Yang J. & Hennawi J.F. (2022), IGM damping wing constraints on reionization from covariance reconstruction of two z >= 7 QSOs, Monthly Notices of the Royal Astronomical Society 512(4): 5390-5403.
- Arrigoni Battaia F., Chen C.-C., Liu H.-Y.B., De Breuck C., Galametz M., Fumagalli M., Yang Y., Zanella A., Man A., Obreja A., Prochaska J.X., Bañados E., Hennawi J.F., Farina E.P., Zwaan M.A., Decarli R. & Lusso E. (2022), A multiwavelength study of ELAN environments (AMUSE^2). Mass budget, satellites spin alignment, and gas infall in a massive z ~ 3 quasar host halo, The Astrophysical Journal 930(1): 72.
- Makan K., Worseck G., Davies F.B., Hennawi J.F., Prochaska J.X. & Richter P. (2022), He II Ly alpha transmission spikes and absorption troughs in eight high-resolution spectra probing the end of He II reionization, The Astrophysical Journal 927(2): 175.
- Wolfson M., Hennawi J.F., Davies F.B., Oñorbe J., Hiss H. & Lukić Z. (2021), Improving IGM temperature constraints using wavelet analysis on high-redshift quasars, Monthly Notices of the Royal Astronomical Society 508(4): 5493-5513.
- Yang J., Wang F., Fan X., Barth A.J., Hennawi J.F., Nanni R., Bian F., Davies F.B., Farina E.P., Schindler J.T., Bañados E., Decarli R., Eilers A.C., Green R., Guo H., Jiang L., Li J.T., Venemans B., Walter F., Wu X.B. & Yue M. (2021), Probing early supermassive black hole growth and quasar evolution with near-infrared spectroscopy of 37 reionization-era quasars at 6.3 < z < 7.64, The Astrophysical Journal 923(2): 262.
- Khrykin I.S., Hennawi J.F., Worseck G. & Davies F.B. (2021), The first measurement of the quasar lifetime distribution, Monthly Notices of the Royal Astronomical Society 505(1): 649-662.