Photometric data for 2020 & 2021 perihelion JFCs
收藏Zenodo2023-12-11 更新2026-05-26 收录
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https://zenodo.org/doi/10.5281/zenodo.10355489
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资源简介：
The csv files for all 2020 and 2021 perihelion JFCs detectable by the Asteroid Terrestrial-impact Last Alert System (ATLAS).
image - image identifier in ATLAS
mjd - Modified Julian Date
rh - 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 - Counts
sky - Sky background
err - Sky background uncertainty
snr - Signal to noise ratio
mag - Magnitude
mag_err - Magnitude uncertainty
afp - 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
提供机构：
Zenodo
创建时间：
2023-12-11
