Absolute Magnitude

Functions
template<typename T >
T	EGXPhys::AbsoluteMagnitude (const T apparentMagnitude, const T distanceInparsecs)
	Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the distance, \(d_{pc}\), in parsecs it is away. \[M= m - 5 \left ( log_{10}(d_{pc}) - 1 \right )\] . More...
template<typename T >
T	EGXPhys::AbsoluteMagnitudeFromParsecs (const T apparentMagnitude, const T distanceInparsecs)
	Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the distance, \(d_{pc}\), in parsecs it is away. \[M= m - 5 \left ( log_{10}(d_{pc}) - 1 \right )\] . More...
template<typename T >
T	EGXPhys::AbsoluteMagnitudeFromParallax (const T apparentMagnitude, const T parallaxInArcSec)
	Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the parallax, \(p\), in arc seconds. \[M= m - 5 \left ( log_{10} \left ( \dfrac{1}{p} \right ) - 1 \right )\] . More...
template<typename T >
T	EGXPhys::AbsoluteMagnitudeFromAU (const T apparentMagnitude, const T distanceInAstronomicalUnits)
	Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the distance, \(d_{AU}\), in astronomical units it is away. \[M= m - 5 \left ( log_{10} \left ( \dfrac{\pi}{648000}d_{AU} \right ) - 1 \right )\] . More...

Detailed Description

Function Documentation

AbsoluteMagnitude()

template<typename T >

T EGXPhys::AbsoluteMagnitude	(	const T	apparentMagnitude,
		const T	distanceInparsecs
	)

Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the distance, \(d_{pc}\), in parsecs it is away.

\[M= m - 5 \left ( log_{10}(d_{pc}) - 1 \right )\]

.

See https://en.wikipedia.org/wiki/Absolute_magnitude

Parameters

apparentMagnitude	\(M\ (dimensionless)\) Apparent magnitude of a star (almost allways as seen from earth).
distanceInparsecs	\(d_{pc}\ (pc)\) Distance in parsecs between a star and the measurement of apparent magnitude.

Returns

\(M\ (dimensionless)\) Absolute magnitude of a star.

See also

AbsoluteMagnitudeFromParsecs() for alias.

AbsoluteMagnitudeFromParallax() for calculation using parallax.

AbsoluteMagnitudeFromAU() for calculation using astronomical units.

AbsoluteMagnitudeFromAU()

template<typename T >

T EGXPhys::AbsoluteMagnitudeFromAU	(	const T	apparentMagnitude,
		const T	distanceInAstronomicalUnits
	)

Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the distance, \(d_{AU}\), in astronomical units it is away.

\[M= m - 5 \left ( log_{10} \left ( \dfrac{\pi}{648000}d_{AU} \right ) - 1 \right )\]

.

See https://en.wikipedia.org/wiki/Absolute_magnitude

Parameters

apparentMagnitude	\(M\ (dimensionless)\) Apparent magnitude of a star (almost allways as seen from earth).
distanceInAstronomicalUnits	\(d_{AU}\ (AU)\) Distance in astronomical units between a star and the measurement of apparent magnitude.

Returns

\(M\ (dimensionless)\) Absolute magnitude of a star.

See also

AbsoluteMagnitudeFromParsecs() for calculation using parsecs.

AbsoluteMagnitudeFromParallax() for calculation using parallax.

AbsoluteMagnitudeFromParallax()

template<typename T >

T EGXPhys::AbsoluteMagnitudeFromParallax	(	const T	apparentMagnitude,
		const T	parallaxInArcSec
	)

Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the parallax, \(p\), in arc seconds.

\[M= m - 5 \left ( log_{10} \left ( \dfrac{1}{p} \right ) - 1 \right )\]

.

See https://en.wikipedia.org/wiki/Absolute_magnitude

Parameters

apparentMagnitude	\(M\ (dimensionless)\) Apparent magnitude of a star (almost allways as seen from earth).
parallaxInArcSec	\(p\ (arc seconds)\) Parallax of the star in arc seconds.

Returns

\(M\ (dimensionless)\) Absolute magnitude of a star.

See also

AbsoluteMagnitudeFromParsecs() for calculation using parsecs.

AbsoluteMagnitudeFromAU() for calculation using astronomical units.

AbsoluteMagnitudeFromParsecs()

template<typename T >

T EGXPhys::AbsoluteMagnitudeFromParsecs	(	const T	apparentMagnitude,
		const T	distanceInparsecs
	)

Calculates the absolute magnitude, \(M\), of a star from its apparent magnitude, \(m\), and the distance, \(d_{pc}\), in parsecs it is away.

\[M= m - 5 \left ( log_{10}(d_{pc}) - 1 \right )\]

.

See https://en.wikipedia.org/wiki/Absolute_magnitude

Parameters

apparentMagnitude	\(M\ (dimensionless)\) Apparent magnitude of a star (almost allways as seen from earth).
distanceInparsecs	\(d_{pc}\ (pc)\) Distance in parsecs between a star and the measurement of apparent magnitude.

Returns

\(M\ (dimensionless)\) Absolute magnitude of a star.

See also

AbsoluteMagnitude() for alias.

AbsoluteMagnitudeFromParallax() for calculation using parallax.

AbsoluteMagnitudeFromAU() for calculation using astronomical units.