SimplePulsar

class gammapy.astro.source.SimplePulsar(P, P_dot, I=<Quantity 1.e+45 cm2 g>, R=<Quantity 1000000. cm>)

Bases: object

Magnetic dipole spin-down model for a pulsar.

Parameters

PQuantity

Rotation period (sec)

P_dotQuantity

Rotation period derivative (sec sec^-1)

IQuantity

Moment of inertia (g cm^2)

RQuantity

Radius of the pulsar (cm)

Attributes Summary

luminosity_spindown	Spin-down luminosity (Quantity).
magnetic_field	Magnetic field strength at the polar cap (Quantity).
tau	Characteristic age (Quantity).

Attributes Documentation

luminosity_spindown

Spin-down luminosity (Quantity).

$$\dot{L}=4{\pi }^{2}I\frac{\dot{P}}{P^3}$$

magnetic_field

Magnetic field strength at the polar cap (Quantity).

$$B=3.2\cdot {10}^{19}(P\dot{P}{)}^{1/2}\text{ Gauss}$$

tau

Characteristic age (Quantity).

$$\tau =\frac{P}{2\dot{P}}$$