English
Related papers

Related papers: Central Compact Objects in Supernova Remnants

200 papers

We discovered an X-ray cluster in a recent pointed Chandra observation of the radio-loud compact-steep-spectrum source 1321+045 at the redshift of 0.263. 1321+045 is part of larger survey which aims to study the X-rays properties of weak…

Astrophysics of Galaxies · Physics 2013-11-18 Maciej Ceglowski , Magdalena Kunert-Bajraszewska , A. Siemiginowska , A. Labiano , M. Guainazzi

The deepest X-ray images of M31, obtained with XMM-Newton, are examined in this paper to derive spectral and statistical properties of the population of the softest X-ray sources. Classifying supersoft X-ray sources (SSS) with criteria…

Astrophysics · Physics 2009-11-13 M. Orio

Dark matter could be composed of compact dark objects (CDOs). We find that the oscillation of CDOs inside neutron stars can be a detectable source of gravitational waves (GWs). The GW strain amplitude depends on the mass of the CDO, and its…

High Energy Astrophysical Phenomena · Physics 2019-02-25 C. J. Horowitz , Sanjay Reddy

Core-collapse Supernovae (CCSNe) mark the deaths of stars more massive than about eight times the mass of the sun and are intrinsically the most common kind of catastrophic cosmic explosions. They can teach us about many important physical…

High Energy Astrophysical Phenomena · Physics 2019-08-08 Maryam Modjaz , Claudia P. Gutierrez , Iair Arcavi

Young Galactic supernova remnants (SNRs) are where we can observe closely the supernova (SN) ejecta and its interaction with circumstellar/interstellar medium. Therefore, they provide an opportunity to explore the explosion and the final…

Astrophysics of Galaxies · Physics 2016-12-30 Bon-Chul Koo , Yong-Hyun Lee

This article presents a review of all high-resolution ground-based mid-infrared observations of high mass protostellar objects (HMPOs) to date. An introduction to the characteristics of HMPOs and their relationship to the hot molecular core…

Astrophysics · Physics 2007-05-23 James M. De Buizer

The Wide-field Infrared Survey Explorer has uncovered a population of young stellar objects in the Western Circinus molecular cloud. Images show the YSOs to be clustered into two main groups that are coincident with dark filamentary…

Solar and Stellar Astrophysics · Physics 2015-05-27 Wilson M. Liu , Deborah L. Padgett , David Leisawitz , Sergio Fajardo-Acosta , Xavier P. Koenig

Radio observations of starburst regions in galaxies have revealed groups of compact nonthermal sources that may be radiative supernova remnants expanding in the interclump medium of molecular clouds. Because of the high pressure in…

Astrophysics · Physics 2009-11-06 Roger A. Chevalier , Claes Fransson

Massive neutron stars may harbor deconfined quark matter in their cores. I review some recent work on the microphysics and the phenomenology of compact stars with cores made of quark matter. This includes the equilibrium and stability of…

Solar and Stellar Astrophysics · Physics 2014-11-20 Armen Sedrakian

Neutron Stars (NSs) are compact stellar objects that are stable solutions in General Relativity. Their internal structure is usually described using an equation of state that involves the presence of ordinary matter and its interactions.…

High Energy Astrophysical Phenomena · Physics 2020-12-18 M. Ángeles Pérez-García , J. Silk

Neutron stars are the dense and highly magnetic relics of supernova explosions of massive stars. The quest to constrain the Equation of State (EoS) of ultra-dense matter and thereby probe the behavior of matter inside neutron stars, is one…

High Energy Astrophysical Phenomena · Physics 2024-04-09 Alessio Marino , Clara Dehman , Konstantinos Kovlakas , Nanda Rea , Jose A. Pons , D. Viganò

Infrared small object detection (ISOS) aims to segment small objects only covered with several pixels from clutter background in infrared images. It's of great challenge due to: 1) small objects lack of sufficient intensity, shape and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Chenyi Wang , Huan Wang , Peiwen Pan

We present a Chandra and XMM-Newton imaging and spectroscopic study of the supernova remnant (SNR) RCW 103 (G332.4-00.4) containing the Central Compact Object 1E 161348-5055. The high resolution Chandra X-ray images reveal enhanced emission…

High Energy Astrophysical Phenomena · Physics 2019-09-25 Chelsea Braun , Samar Safi-Harb , Chris Fryer

Molecular clouds are known to be clumpy, with dense molecular clumps occupying only a few percent of the volume. A supernova remnant then evolves primarily in the interclump medium, and becomes radiative at a radius of about 6 pc, forming a…

Astrophysics · Physics 2009-10-30 Roger A. Chevalier

Energy losses from isolated neutron stars are commonly attributed to the emission of electromagnetic radiation from a rotating point-like magnetic dipole in vacuum. This emission mechanism predicts a braking index $n=3$, which is not…

High Energy Astrophysical Phenomena · Physics 2016-12-14 Adam Rogers , Samar Safi-Harb

The central compact object (CCO) in the Vela Junior supernova remnant is a young neutron star whose relatively low X-ray flux and small distance suggest it has a mass high enough to activate fast neutrino cooling processes. Here we analyse…

High Energy Astrophysical Phenomena · Physics 2026-02-04 Wynn C. G. Ho , Esther Simkhayeva , Alexander Y. Potekhin

While neutrinos are often treated as a background for many dark matter experiments, these particles offer a new avenue for physics: the detection of core-collapse supernovae. Supernovae are extremely energetic, violent and complex events…

Shell-type supernova remnants (SNRs) accelerate particles at the shock front between the expanding remnant and the swept-up interstellar medium. If these particles include protons and nuclei, very-high-energy gamma-ray emission may result…

Astrophysics · Physics 2007-09-28 VERITAS Collaboration , T. B. Humensky

Compact symmetric objects (CSOs) trace the earliest phases of radio-galaxy growth; however, robust classification is difficult when radio cores are weak or invisible. We aim to develop and test a Gaia+VLBI approach that utilizes the…

Astrophysics of Galaxies · Physics 2026-01-14 T. An , Y. Zhang , S. Frey , W. A. Baan , A. Wang

The X-ray dim isolated neutron stars (XDINSs) are peculiar pulsar-like objects, characterized by their very well Planck-like spectrum. In studying their spectral energy distributions, the optical/UV excess is a long standing problem.…

High Energy Astrophysical Phenomena · Physics 2011-12-12 H. Tong , R. X. Xu , L. M. Song