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. 2022 Jun 8;606(7916):873–877. doi: 10.1038/s41586-022-04755-5

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© The Author(s) 2022, corrected publication 2022

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Extended Data Fig. 3 — The redshift of z = 0.241 was determined using the [OIII]-5007Å line and Hα line (>5σ detections). These two emission lines are narrow, with FWHM approximately 10 Å. The flux scale of the spectrum is not corrected for slit loss or extinction.