A SPectroscopic survey of biased halos in the reionization Era (ASPIRE): A first look at the rest-frame optical spectra of > 6.5 quasars using JWST
Yang J, Wang F, Fan X, Hennawi JF, Barth AJ, Bañados E, Sun F, Liu W, Cai Z, Jiang L, Li Z, Onoue M, Schindler J-T, Shen Y, Wu Y, Bhowmick AK, Bieri R, Blecha L, Bosman S, Champagne JB, Colina L, Connor T, Costa T, Davies FB, Decarli R, De Rosa G, Drake AB, Egami E, Eilers A-C, Evans AE, Farina EP, Habouzit M, Haiman Z, Jin X, Jun HD, Kakiichi K, Khusanova Y, Kulkarni G, Loiacono F, Lupi A, Mazzucchelli C, Pan Z, Rojas-Ruiz S, Strauss MA, Tee WL, Trakhtenbrot B, Trebitsch M, Venemans B, 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 > 6.5 quasars using JWST. The Astrophysical Journal Letters. 951(1), L5.
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Author
Yang, Jinyi;
Wang, Feige;
Fan, Xiaohui;
Hennawi, Joseph F.;
Barth, Aaron J.;
Bañados, Eduardo;
Sun, Fengwu;
Liu, Weizhe;
Cai, Zheng;
Jiang, Linhua;
Li, Zihao;
Onoue, Masafusa
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Abstract
Studies of rest-frame optical emission in quasars at z>6 have historically been limited by the wavelengths accessible by ground-based telescopes. The James Webb Space Telescope (JWST) now offers the opportunity to probe this emission deep into the reionization epoch. We report the observations of eight quasars at z>6.5 using the JWST/NIRCam Wide Field Slitless Spectroscopy, as a part of the ''A SPectroscopic survey of biased halos In the Reionization Era (ASPIRE)" program. Our JWST spectra cover the quasars' emission between rest frame ∼ 4100 and 5100 Å. The profiles of these quasars' broad Hβ emission lines span a FWHM from 3000 to 6000 km s−1. The Hβ-based virial black hole (BH) masses, ranging from 0.6 to 2.1 billion solar masses, are generally consistent with their MgII-based BH masses. The new measurements based on the more reliable Hβ tracer thus confirm the existence of billion solar-mass BHs in the reionization epoch. In the observed [OIII] λλ4960,5008 doublets of these luminous quasars, broad components are more common than narrow core components (≤ 1200 km s−1), and only one quasar shows stronger narrow components than broad. Two quasars exhibit significantly broad and blueshifted [OIII] emission, thought to trace galactic-scale outflows, with median velocities of −610 km s−1 and −1430 km s−1 relative to the [CII] 158μm line. All eight quasars show strong optical FeII emission, and follow the Eigenvector 1 relations defined by low-redshift quasars. The entire ASPIRE program will eventually cover 25 quasars and provide a statistical sample for the studies of the BHs and quasar spectral properties.
Publishing Year
Date Published
2023-06-29
Journal Title
The Astrophysical Journal Letters
Publisher
American Astronomical Society
Volume
951
Issue
1
Article Number
L5
IST-REx-ID
Cite this
Yang J, Wang F, Fan X, et al. A SPectroscopic survey of biased halos in the reionization Era (ASPIRE): A first look at the rest-frame optical spectra of > 6.5 quasars using JWST. The Astrophysical Journal Letters. 2023;951(1). doi:10.3847/2041-8213/acc9c8
Yang, J., Wang, F., Fan, X., Hennawi, J. F., Barth, A. J., Bañados, E., … Zou, S. (2023). A SPectroscopic survey of biased halos in the reionization Era (ASPIRE): A first look at the rest-frame optical spectra of > 6.5 quasars using JWST. The Astrophysical Journal Letters. American Astronomical Society. https://doi.org/10.3847/2041-8213/acc9c8
Yang, Jinyi, Feige Wang, Xiaohui Fan, Joseph F. Hennawi, Aaron J. Barth, Eduardo Bañados, Fengwu Sun, et al. “A SPectroscopic Survey of Biased Halos in the Reionization Era (ASPIRE): A First Look at the Rest-Frame Optical Spectra of > 6.5 Quasars Using JWST.” The Astrophysical Journal Letters. American Astronomical Society, 2023. https://doi.org/10.3847/2041-8213/acc9c8.
J. Yang et al., “A SPectroscopic survey of biased halos in the reionization Era (ASPIRE): A first look at the rest-frame optical spectra of > 6.5 quasars using JWST,” The Astrophysical Journal Letters, vol. 951, no. 1. American Astronomical Society, 2023.
Yang J, Wang F, Fan X, Hennawi JF, Barth AJ, Bañados E, Sun F, Liu W, Cai Z, Jiang L, Li Z, Onoue M, Schindler J-T, Shen Y, Wu Y, Bhowmick AK, Bieri R, Blecha L, Bosman S, Champagne JB, Colina L, Connor T, Costa T, Davies FB, Decarli R, De Rosa G, Drake AB, Egami E, Eilers A-C, Evans AE, Farina EP, Habouzit M, Haiman Z, Jin X, Jun HD, Kakiichi K, Khusanova Y, Kulkarni G, Loiacono F, Lupi A, Mazzucchelli C, Pan Z, Rojas-Ruiz S, Strauss MA, Tee WL, Trakhtenbrot B, Trebitsch M, Venemans B, 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 > 6.5 quasars using JWST. The Astrophysical Journal Letters. 951(1), L5.
Yang, Jinyi, et al. “A SPectroscopic Survey of Biased Halos in the Reionization Era (ASPIRE): A First Look at the Rest-Frame Optical Spectra of > 6.5 Quasars Using JWST.” The Astrophysical Journal Letters, vol. 951, no. 1, L5, American Astronomical Society, 2023, doi:10.3847/2041-8213/acc9c8.
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