apparent magnitude

noun 0.806

intrinsic brightness

noun 0.740

brightness

noun 0.699

luminosity

noun 0.691

visual magnitude

noun 0.681

luminance

noun 0.666

luminous intensity

noun 0.639

luminosity function

noun 0.596

apparent time

noun 0.596

illuminance

noun 0.593

bright

noun 0.590

absolute magnitude

noun 0.589

apparency

noun 0.580

brightening

noun 0.569

rightness

noun 0.567

radiance

noun 0.563

lightness

noun 0.562

luminosity distance

noun 0.552

apparent charge

noun 0.546

irradiance

noun 0.536

brightener

noun 0.535

radiancy

noun 0.534

luminescence

noun 0.533

luminous energy

noun 0.532

light pollution

noun 0.531

backlight

noun 0.528

visible light

noun 0.527

reflectance

noun 0.526

better light

noun 0.518

white light

noun 0.515

brilliancy

noun 0.514

incandescence

noun 0.513

illumination

noun 0.513

loudness

noun 0.513

albedo

noun 0.512

photometry

noun 0.508

bright spot

noun 0.505

candlepower

noun 0.504

illuminant

noun 0.502