-
insulated enclosure which is in
thermal equilibrium internally contains blackbody radiation, and will emit it
through a hole made in its wall, provided...
- A
black body or
blackbody is an
idealized physical body that
absorbs all
incident electromagnetic radiation,
regardless of
frequency or
angle of incidence...
-
calculated as a
weighted average of the
spectral emissivity, with the
blackbody emission spectrum serving as the
weighting function. It
follows that if...
- }{c}}B_{i}(T).}
These distributions represent the
spectral radiance of
blackbodies—the
power emitted from the
emitting surface, per unit
projected area...
-
energy than a
blackbody for a
given temperature and wavelength. A
blackbody is a
diffuse emitter. The
spectral intensity of a
blackbody, I λ , b {\displaystyle...
-
Other authors use
different names for this concept, such as
equivalent blackbody temperature of a planet. The
effective radiation emission temperature...
- 4392811°
Albedo 0.434
geometric 0.294 Bond
Temperature 255 K (−18 °C) (
blackbody temperature)
Surface equivalent dose rate 0.274 μSv/h
Absolute magnitude (H)...
- 495°
Albedo 0.503 (Bond) 0.538 (geometric)
Temperature 88 K (−185 °C) (
blackbody temperature)
Apparent magnitude −2.94 to −1.66
Absolute magnitude (H)...
-
power radiated by a
blackbody is
proportional to T4. 1880s and 1890s: Lord
Rayleigh and
Wilhelm Wien
solved part of the
blackbody equation, but both solutions...
- per unit
frequency interval,
rather than
using a
stellar spectrum or
blackbody curve as the reference. The AB
magnitude zero
point is
defined such that...
