The population of radio-quiet and thermally emitting isolated neutron stars. A comprehensive picture of neutron star evolution in the Galaxy

无线电静默和热发射的孤立中子星的数量。

基本信息

批准号：
197551926
负责人：
Dr. Adriana Mancini Pires
金额：
--
依托单位：
Leibniz-Institut für Astrophysik Potsdam (AIP)
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2011
资助国家：
德国
起止时间：
2010-12-31 至 2015-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/197551926?language=en
关键词：
population radio quiet thermally emitting

项目摘要

The observed population of neutron stars is dominated by radio pulsars. In recent years, however, different observational manifestations of isolated neutron stars (INSs) have been discovered, which include magnetars, X-ray dim isolated neutron stars (XDINS) and rotating radio transients (RRATs). In particular, XDINS constitute a homogeneous group of seven nearby, cooling INSs displaying unique properties. While currently fewer in number of detected sources, the peculiar INS subgroups might represent a considerable fraction of the neutron stars in the Galaxy and are very important for a number of reasons. First, the investigation of individual sources can greatly impact our understanding of the physics of matter at extreme conditions of gravity and magnetic field. Second, the relations between the various subgroups help us to understand the main properties determining the neutron star phenomenology. Finally, as new objects are discovered, a comprehensive picture of neutron star birth and evolution in the Milky Way can be aimed for. We propose to investigate the Galactic population of neutron stars, especially focusing on XDINS, in order to characterise neutron star properties and evolutionary state, as well as to understand how the peculiar subgroups relate to each other and to the bulk of the “normal” radio pulsar population. These goals will be pursued by studying further the existing sample of peculiar INSs, by identifying new INS candidates at greater distances and by modeling the creation, evolution and detectability of thermally emitting INSs in the Milky Way with current and future X-ray facilities.

观察到的中子星人群以无线电脉冲星为主。然而，近年来，已经发现了分离的中子星（INS）的不同观察表现，其中包括磁铁，X射线昏暗的隔离中子星（XDIN）和旋转的无线电瞬变（RRATS）。特别是，Xdins构成了附近七个组成的均匀群体，冷却Inss显示出独特的特性。尽管目前检测到的来源数量较少，但特殊的INS子组可能代表了银河系中中子星的考虑部分，并且由于多种原因非常重要。首先，在极端的重力和磁场条件下，各个来源的投资会非常影响我们对物理物理的理解。其次，各个子组之间的关系有助于我们了解确定中子星现象学的主要特性。最后，随着它们被发现的新物体，可以针对银河系中的中子星出生和进化的全面图片。我们建议研究中子星的银河系种群，尤其是专注于XDIN，以表征中子恒星特性和进化状态，并了解特殊的亚组如何相互关系以及大部分“正常”无线电脉冲星人群。这些目标将通过进一步研究现有的特殊INSS样本，通过在更远的距离上确定新的INS候选者，并通过使用当前和未来的X射线设施对热发射INSS的创建，进化和可检测性进行建模。

项目成果

期刊论文数量（3）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

XMM-Newton reveals a candidate period for the spin of the “Magnificent Seven” neutron star RX J1605.3+3249

DOI：
10.1051/0004-6361/201423380
发表时间：
2014-01
期刊：
Astronomy and Astrophysics
影响因子：
6.5
作者：
A. Pires;F. Haberl;V. Zavlin;C. Motch;S. Zane;M. Potsdam;M. F. Physik;NASA's Goddard Space Flight Center;Cnrs;U. Strasbourg;Observatoire Astronomique;Mullard Space Science Laboratory;A. Jena
通讯作者：
A. Pires;F. Haberl;V. Zavlin;C. Motch;S. Zane;M. Potsdam;M. F. Physik;NASA's Goddard Space Flight Center;Cnrs;U. Strasbourg;Observatoire Astronomique;Mullard Space Science Laboratory;A. Jena

New XMM-Newton observation of the thermally emitting isolated neutron star 2XMM J104608.7-594306

热发射孤立中子星的新 XMM-牛顿观测 2XMM J104608 7-594306