Open Access

Table C.1.

PAH cloud catalog columns and their descriptions.

Catalog Column Variable Description
ID ID of the cloud in a specific galaxy
galaxy The galaxy of a specific cloud
Env Galactic environment of the cloud (1 = Center, 2 + 3 = Bar, 5 + 6 = Spiral Arm, 9 + 10 = Disk, 4 + 7 + 8 = Interarm)
pos_x x position of the cloud (pixels)
pos_y y position of the cloud (pixels)
pos_ra Right Ascension of the cloud (degrees)
pos_dec Declination of the cloud (degrees)
Lpah PAH luminosity of the cloud (MJy sr−1 pc2)
Lco PAH-to-CO converted luminosity of the cloud (K km s−1 pc2)
mass_cst Mmol Molecular mass of the cloud using a constant MW αCO prescription (M)
mass_sl Mmol Molecular mass of the cloud using Schinnerer & Leroy (2024)αCO prescription (M)
mass_s Mmol Molecular mass of the cloud using Sun et al. (2020a)αCO prescription (M)
mass_b Mmol Molecular mass of the cloud using Bolatto et al. (2013)αCO prescription (M)
mass_t Mmol Molecular mass of the cloud using Teng et al. (2024)αCO prescription (M)
rad_eq Radius of the cloud using the area of the cloud (pc)
rad_eq_dec Req Beam-deconvolved radius of the cloud using the area of the cloud (pc)
rad R Radius of the cloud using a HWHM factor of 1.18 (pc)
SD_cst Σmol Molecular mass surface density of the cloud using a constant MW αCO prescription (M pc−2)
SD_sl Σmol Molecular mass surface density of the cloud using the Schinnerer & Leroy (2024)αCO prescription (M pc−2)
SD_s Σmol Molecular mass surface density of the cloud using the Sun et al. (2020a)αCO prescription (M pc−2)
SD_b Σmol Molecular mass surface density of the cloud using the Bolatto et al. (2013)αCO prescription (M pc−2)
SD_t Σmol Molecular mass surface density of the cloud using the Teng et al. (2024)αCO prescription (M pc−2)
Distance Rgal Distance from the cloud to the center of the galaxy (kpc)
Distance_Re Rgal Distance from the cloud to the center of the galaxy (Re)
f_all fall Flag to remove clouds according to our flagging method (set = True to remove)
overlap_ratio_all The percentage overlap of the cloud in velocity space
edge_clouds Flag to check if the cloud is on the edge of the FOV (1 = edge, 0 = non-edge)
err_Lpah Error on the PAH luminosity of the cloud (MJy sr−1 pc2)
err_Lco Error on the PAH-to-CO converted luminosity of the cloud (K km s−1 pc2)
rad_dec_err_fin Req Error on the Beam-deconvolved radius of the cloud using the area of the cloud (pc)
rad_err_fin Error on the radius of the cloud using the area of the cloud (pc)
mass_err_fin Error on the mass of the cloud. Add _cst in the end or the other αCO prescription notations (e.g., sl, s, b, t) to specify the error on the corresponding αCO prescription mass (M)
SD_err_fin Error on the molecular mass surface density of the cloud. Add _cst in the end or the other αCO prescription notations (e.g., sl, s, b, t) to specify the error on the corresponding αCO prescription mass (M pc−2)

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