Accueil > Séminaires d’Astrophysique > Automne 2006 > Very funny neutron star or baby binary inside SNR RCW 103 ?

 

Very funny neutron star or baby binary inside SNR RCW 103 ?

Giovanni Bignami (CESR)

Par Stephane Charpinet - 8/01/2007

 

Séminaires d’Astrophysique

 

de l’Observatoire Midi-Pyrénées


Séminaire de

Giovanni BIGNAMI

(CESR)


Jeudi 9 Novembre 2006 à 11h

CESR


Very funny neutron star or baby binary inside SNR RCW 103 ?

What lurks in the centre of young (2000 y) SNR RCW 103 ? Observations with XMM-Newton have discovered what looks like a neutron star (no optical counterpart to speak of) but with a period of 6.67 hrs and with a long-term, strong flaring activity. If it is connected with the SNR it is extremely young, but has no fast pulsations. It could be a baby binary system, with a double accretion mechanism at work, or, if is an isolated n.s., it can only be a magnetar possibly slowed down dramatically by a (debris ?) disc. SUGGESTIONS will be welcome. Details in Science, 313, p.814

 

 

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