MODELING THE X-RAYS FROM THE CENTRAL COMPACT OBJECT PSR J1852+0040 IN KESTEVEN 79: EVIDENCE FOR A STRONGLY MAGNETIZED NEUTRON STAR
نویسندگان
چکیده
منابع مشابه
X-ray Timing of Psr J1852+0040 in Kesteven 79: Evidence of Neutron Stars Weakly Magnetized at Birth
The 105-ms X-ray pulsar J1852+0040 is the central compact object (CCO) in supernova remnant Kes 79. We report a sensitive upper limit on its radio flux density of 12μJy at 2 GHz using the NRAO Green Bank Telescope. Timing using the Newton X-Ray Multi-Mirror Mission (XMM-Newton) and the Chandra X-ray Observatory over a 2.4 yr span reveals no significant change in its spin period. The 2σ upper li...
متن کاملPolarized X-rays from Magnetized Neutron Stars
We review the polarization properties of X-ray emission from highly magnetized neutron stars, focusing on emission from the stellar surfaces. We discuss how x-ray polarization can be used to constrain neutron star magnetic field and emission geometry, and to probe strong-field quantum electrodynamics and possibly constrain the properties of axions.
متن کاملA Compact Central Object in the Supernova Remnant Kes 79
A Chandra X-ray observation has detected an unresolved source at the center of the supernova remnant Kes 79. The best single-model fit to the source spectrum is a blackbody with an X-ray luminosity L X (0.3-8.0 keV)=7×10 33 ergs s −1. There is no evidence for a surrounding pulsar wind nebula. There are no cataloged counterparts at other wavelengths, but the absorption is high. The source proper...
متن کاملStrongly magnetized strange baryonic matter in neutron star
We investigate the strongly magnetized strange baryonic matter in a relativistic mean- eld theory. We rst take into account the hidden strange mesons and the eld-dependent meson-baryon coupling constants. In low-density region the strongly magnetized neutron star (NS) matter is nearly iso-symmetric. The equation of state (EOS) therefore becomes softer than that of the normal NS matter. Becaus...
متن کاملNonthermal X-Rays from Supernova Remnant G330.2+1.0 and the Characteristics of its Central Compact Object
We present results from our X-ray data analysis of the supernova remnant (SNR) G330.2+1.0 and its central compact object (CCO), CXOU J160103.1–513353 (J1601 hereafter). Using our XMM-Newton and Chandra observations, we find that the Xray spectrum of J1601 can be described by neutron star atmosphere models (T ∼ 2.5–5.5 MK). Assuming the distance of d ∼ 5 kpc for J1601 as estimated for SNR G330.2...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2014
ISSN: 0004-637X,1538-4357
DOI: 10.1088/0004-637x/790/2/94