DeepDive: A deep dive into the physics of the first massive quiescent galaxies in the Universe (data release, Ito et al. 2026)

Spectra, photometry, and catalogs of quiescent galaxies reported in Ito et al. (2026), "DeepDive: A deep dive into the physics of the first massive quiescent galaxies in the Universe".

In each Zip file, there are catalogs, figures, and fits files containing both spectra and photometry.

[Description of each Zip file]

- DeepDive_PSFmatched: Data of the quiescent galaxies observed in the DeepDive program (JWST Cycle 2 PID:3567). There are ten quiescent galaxies, which are the main targets of DeepDive, and 17 quiescent galaxies selected in the archival search, called secondary targets in the paper. The data is based on the photometry obtained from the PSF-matched images. - DeepDive_SEPphot: Data of the quiescent galaxies observed in the DeepDive program (JWST Cycle 2 PID:3567). There are ten quiescent galaxies, which are the main targets of DeepDive, and 18 quiescent galaxies selected in the archival search, called secondary targets in the paper. The data is based on the photometry available in the DJA. - Archive_SEPphot: Data on quiescent galaxies selected in the archival search with DJA (see Section 3 of the paper). There are 112 quiescent galaxies in the file. The data is based on the photometry available in the DJA. - Contamination_SEPphot: Data on sources removed as contaminants. Two folders exist in the zip file. In the "highSFR" folder, the data of sources removed from the sample because of their sSFR higher than that of the star formation main sequence is contained. In the "visual_inspection" folder, the data of sources removed through the visual inspection is contained.

[Description of files in the Zip files]

- [***]_QG.fits/html: This catalogue describes the properties of quiescent galaxies in each Zip file. The meaning of each column is described in the header of the fits file.- [***]_master.csv/html: This catalogue describes the files of spectra for each source. The file names are identical to those in the DJA.- data: Fits files of each source are stored. In the fits file, the header 1 includes the spectrum, which is flux-corrected, combined with other available spectra from different gratings and filters. The header 2 includes the photometry used for flux correction from the JWST/HST and available ground-based photometry.- figures: Best-fit SED from EAZY and Bagpipes, and figures of combined/individual spectra are stored.

For any questions, please contact Kei Ito ([e-mail], [e-mail]).