KBSS Data: structure and kinematics of circumgalactic H I

This tarball collects the processed data that are included in Y. Chen et al, 2020, "The Keck Baryonic Structure Survey: Using foreground/background galaxy pairs to trace the structure and kinematics of circumgalactic neutral hydrogen at z~2".Here is how this file is organised. cats - KBSS catalogs as of Jan 2019, organized as FITS tables. This can be slightly different to the most recent KBSS catalog released at http://ramekin.caltech.edu/KBSS. lya_spec - The stacked spectra near Lya for the KGPS-Full and KGPS- zneb samples. Wavelengths are included as FITS-WCS in the header. The weight spectra are 1/sigma^2, estimated from bootstrap. These files are used to make Figure 5, and subsequently the 2D optical depth maps. wlya - Lya equivalent width as a function of impact parameter, stored as FITS tables. The table entries are, [dtran] - impact parameter; [dtran_lo] - lower edge of the "dtran" bins; [dtran_hi] - higher edge of the "dtran" bins; [ew] - Lya equivalent width; [ew_lo] - the lower 1-sigma limit of "ew"; [ew_hi] - the higher 1-sigma limit of "ew". These data are used to make Figure 6. tau_2d - 2D absorption maps, stored as multi-extension FITS files. [ext 0] - apparent optical depth; [ext 1] - 1-sigma error of ext 1; [ext 2] - dtran and vlos grids of ext 1 and 2. These are used to make Figures 7, 8, 9, 13, 14, 16, 17, 18. model - Best-fit model of the 2D absorption map, in multi-extension FITS. [ext 0] - modeled apparent optical depth; [ext 1] - grid. These are used to make Figure 13. Cite this record as:Chen, Y., Steidel, C., Hummels, C., Rudie, G., Dong, B., Trainor, R., Bogosavljevic, M., Erb, D., Pettini, M., Reddy, N., Shapley, A., Strom, A., Theios, R., Faucher-Giguere, C.-A., & Keres, D. (2020). KBSS Data: structure and kinematics of circumgalactic H I (Version 1.0) [Data set]. CaltechDATA. https://doi.org/10.22002/D1.1458 or choose a different citation style.Download Citation Unique Views: 14Unique Downloads: 1 between July 22, 2020 and July 12, 2021More info on how stats are collected Copyright: cc-zero