€
P =0.424 s
€ dP/dt = 1.4
± 0.3
10-14 s/s
Evidence of cyclotron
absorption
€ Proton cyclotron Þ B »
1.6 x 1014 G:
€
Electron Cyclotron Þ B » 8
x 1010 G
Þ Better agreement if:
Þ TOO HIGH!
Additional
breaking mechanisms (debris disk..);
Cyclotron
scattering at R ~3-4 stellar
radii
Š.
(but also t
~4.8 x 105 yrs, incompatible with that of the SNR
< 104 yrs)
B » (2-3) x 1012 G
1E1207.4-5209: