Photometric data for 2020 & 2021 perihelion JFCs

The csv files for all 2020 and 2021 perihelion JFCs detectable by the Asteroid Terrestrial-impact Last Alert System (ATLAS).image - image identifier in ATLASmjd - Modified Julian Daterh - Heliocentric distance (au) delta - Geocentric distance (au)alpha - Phase angle (°)appix - aperture in pixels x - X position of object centre (pixels)y - Y position of object centre (pixels)counts - Countssky - Sky backgrounderr - Sky background uncertaintysnr - Signal to noise ratiomag - Magnitudemag_err - Magnitude uncertaintyafp - Afρ (cm)afp_err - Afρ uncertainty (cm)afp_zero - A(0°)fρ (cm)afp_zero_err - A(0°)fρ uncertainty (cm)filter - ATLAS filter (c/o)mdust - very rough estimate of mass loss rate (kg/s) - assuming albedo = 0.1, dust density = 1000g/cm^3, grain radius = 1μm. Please refer to the in-text upper limits of mass loss rate and the assumed values associated with the calculation in-text. mdust_err - uncertainty in mass loss rate