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SuperNova  RX J1713.7­3946

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(1)

Discovered in 1996

by the Roentgen Satellite (Rosat)

SuperNova 

RX J1713.7­3946

(2)

Foreground star

Point Source (Neutron Star)

(3)

A guest star appeared within the asterism Wei during 2nd lunar month of the 18th year of the Tai-Yuan reign period (february 27-march 28 AD 393),

and disappeared during the 9th lunar month

(october 22 - november 19

1

st

 observation of

RX J1713.7­3946

(4)

HESS

SN

observation (26 hours

18 h selected)

(5)

Comparison with ROSAT observation

(6)

ENERGY  Spectrum

(7)

CO maps

(Carbon-Oxygen molecule

G23.3-0.

3,

G23.3-0.3

W41

(8)

VELA JUNIOR

(9)
(10)
(11)
(12)

Photon Production

Proton Population inside the SN remnant

Gas density

(13)

Enomoto et al

(Cangaroo collaboration)

Egret source

3EG J1714-3857

TeV

detection

Rosat

contours

(14)

B

Most Cosmic Rays are 

produced inside the Galaxy, by “Cosmic” accelerators They remain confined  in the galaxy for a time of order 10 Million years.

 

The Magnetic Field 

“scramble” the trajectories of Cosmic Rays

make them isotropic.

(15)

PULSARS

Increase in the period

Period

(16)

Discovery 1967 Radio Waves.

“Little Green Men [?]”

Jocelyne Bell Antony Hewish

(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)

Pulsar Glitches

(31)
(32)
(33)
(34)
(35)

CHANDRA X-ray Telescope

(36)

Crab X-rays (Chandra)

(37)

CRAB Nebula Red Radio

Green Optical Blue X-rays

(38)
(39)

PULSAR WIND

Electromagnetic Fields Near the Surface of the Neutron Star are strong enough to pull charged particles out of the neutron star

(or generate pairs of e+e-)

The pulsar wind creates shocks near the neutron star that can accelerate particles to relativistic energies

(40)

Photon Spectrum from the CRAB Nebula

Synchrotron Emission Inverse Compton

(41)

VELA PULSAR

(42)
(43)
(44)

VELA Pulsar

CRAB Pulsar

(45)
(46)
(47)
(48)
(49)
(50)

The MOUSE

PSR J1826-1334

(51)
(52)
(53)
(54)
(55)
(56)

Riferimenti

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