ShadowEnlargement enum
How the Earth's shadow is enlarged for the atmosphere in lunar eclipse calculations.
Values
- danjon → const ShadowEnlargement
-
Danjon (1951): the Earth's radius, i.e. the Moon's parallax, is increased by about 1/85 – as in the French Connaissance des Temps and the NASA Five Millennium Canon (Espenak and Meeus).
- chauvenet → const ShadowEnlargement
-
Chauvenet (1891): the shadow radii are increased by 1/50 – the traditional convention of the Astronomical Almanac. Umbral magnitudes come out about 0.006 larger, penumbral about 0.026.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- index → int
-
A numeric identifier for the enumerated value.
no setterinherited
- name → String
-
Available on Enum, provided by the EnumName extension
The name of the enum value.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
-
values
→ const List<
ShadowEnlargement> - A constant List of the values in this enum, in order of their declaration.