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Central Compact Objects (CCOs) are a handful of sources located close to the geometrical center of young supernova remnants. They only show thermal-like, soft X-ray emission and have no counterparts at any other wavelength. While the first…

High Energy Astrophysical Phenomena · Physics 2018-01-17 Andrea De Luca

There are point-like sources in central regions of several supernova remnants which have not been detected outside the X-ray range. The X-ray spectra of these Central Compact Objects (CCOs) have thermal components with blackbody…

Astrophysics · Physics 2007-05-23 George G. Pavlov , Divas Sanwal , Marcus A. Teter

Central compact objects (CCOs) are a handful of young neutron stars found at the center of supernova remnants (SNRs). They show high thermal X-ray luminosities but no radio emission. Spin-down rate measurements of the three CCOs with X-ray…

High Energy Astrophysical Phenomena · Physics 2015-08-06 J. Luo , C. -Y. Ng , W. C. G. Ho , S. Bogdanov , V. M. Kaspi , C. He

Central compact objects (CCOs) constitute a population of radio-quiet, slowly-spinning ($\ge$100 ms) young neutron stars with anomalously high thermal X-ray luminosities. Their spin-down properties imply weak dipole magnetic fields…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Slavko Bogdanov , C. -Y. Ng , Victoria M. Kaspi

Central compact objects (CCOs) are neutron stars that are found near the center of supernova remnants, and their association with supernova remnants indicates these neutron stars are young (<~ 10^4 yr). Here we review the observational…

High Energy Astrophysical Phenomena · Physics 2013-09-25 Wynn C. G. Ho

Central Compact Objects (CCOs) are a handful of soft X-ray sources located close to the centers of Supernova Remnants and supposed to be young, radio-quiet Isolated Neutron Stars (INSs). A clear understanding of their physics would be…

Astrophysics · Physics 2008-11-26 Andrea De Luca

Oxygen-rich young supernova remnants are valuable objects for probing the outcome of nucleosynthetic processes in massive stars, as well as the physics of supernova explosions. Observed within a few thousand years after the supernova…

Solar and Stellar Astrophysics · Physics 2019-01-17 F. P. A. Vogt , E. S. Bartlett , I. R. Seitenzahl , M. A. Dopita , P. Ghavamian , A. J. Ruiter , J. P. Terry

X-ray observations unveiled the existence of enigmatic point-like sources at the centre of young supernova remnants (SNRs). These sources, dubbed Central Compact Objects (CCOs), are thought to be neutron stars formed by the supernova…

Astrophysics · Physics 2009-11-13 R. P. Mignani , S. Zaggia , A. De Luca , R. Perna , N. Bassan , P. A. Caraveo

We present results of a recent Chandra X-ray Observatory observation of the central compact object (CCO) in the supernova remnant Cassiopeia A. This observation was obtained in an instrumental configuration that combines a high spatial…

High Energy Astrophysical Phenomena · Physics 2009-09-28 G. G. Pavlov , G. J. M. Luna

Located at the centres of supernova remnants, central compact objects (CCOs) are among the most puzzling neutron stars. CCOs are bright in thermal X-rays, yet have evaded detection by major radio telescopes for decades, giving rise to the…

X-ray observations reveiled a group of radio-silent isolated neutron stars (INSs) at the centre of young supernova remnants (SNRs), dubbed central compact objects or CCOs, with properties different from those of classical rotation-powered…

High Energy Astrophysical Phenomena · Physics 2015-05-13 R. P. Mignani , A. De Luca , S. Mereghetti , P. A. Caraveo

Context: Central Compact Objects (CCOs) in supernova remnants are isolated thermally emitting neutron stars (NSs). They are most probably characterized by a magnetic field strength that is roughly two orders of magnitude lower than that of…

High Energy Astrophysical Phenomena · Physics 2014-12-17 D. Klochkov , V. Suleimanov , G. Pühlhofer , D. G. Yakovlev , A. Santangelo , K. Werner

We present our study of the central point source CXOU J181852.0-150213 in the young Galactic supernova remnant (SNR) G15.9+0.2 based on the recent ~90 ks Chandra observations. The point source was discovered in 2005 in shorter Chandra…

High Energy Astrophysical Phenomena · Physics 2016-08-17 D. Klochkov , V. Suleimanov , M. Sasaki , A. Santangelo

Central Compact Objects (CCOs) are X-ray sources with luminosity ranging between $10^{32}$-$10^{34}$ erg~s$^{-1}$, located at the centres of supernova remnants. Some of them have been confirmed to be neutron stars. Timing observations have…

High Energy Astrophysical Phenomena · Physics 2020-05-20 Konstantinos N. Gourgouliatos , Rainer Hollerbach , Andrei P. Igoshev

The central pointlike X-ray source of the Cas A supernova remnant was discovered in the Chandra First Light Observation and found later in the archival ROSAT and Einstein images. The analysis of these data does not show statistically…

Astrophysics · Physics 2009-10-31 G. G. Pavlov , V. E. Zavlin , B. Aschenbach , J. Truemper , D. Sanwal

G15.9+0.2 is a Galactic shell-type supernova remnant (SNR), which was detected in radio and has been confirmed in X-rays based on Chandra observations. An X-ray point source CXOUJ181852.0-150213 has been detected and suggested to be an…

High Energy Astrophysical Phenomena · Physics 2018-07-11 Manami Sasaki , Minja M. Maäkelaä , Dmitry Klochkov , Andrea Santangelo , Valery Suleimanov

Central compact objects (CCOs) are neutron stars found close to the center of some supernova remnants. A certain number of them are presumably covered by carbon envelopes. Their unpulsed thermal X-ray emission can originate either from the…

High Energy Astrophysical Phenomena · Physics 2023-04-26 Valery F. Suleimanov , Juri Poutanen , Victor Doroshenko , Klaus Werner

Near-infrared surveys of high-mass star-forming regions start to shed light onto their stellar content. A particular class of objects found in these regions, the so-called massive Young Stellar Objects (YSOs) are surrounded by dense…

To study the demographics of interstellar ices in the Central Molecular Zone (CMZ) of the Milky Way, we obtain near-infrared spectra of $109$ red point sources using NASA IRTF/SpeX at Maunakea. We select the sample from near- and…

Astrophysics of Galaxies · Physics 2022-05-11 Dajeong Jang , Deokkeun An , Kris Sellgren , Solange V. Ramírez , A. C. Adwin Boogert , Mathias Schultheis

Central Compact Objects (CCOs), neutron stars found near the centre of some Supernova Remnants (SNRs), have been almost exclusively studied in X-rays and are thought to lack the wind nebulae typically seen around young, rotation-powered…

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