论文标题
Gaia Pulsars和在EDR3中找到它们的位置
Gaia pulsars and where to find them in EDR3
论文作者
论文摘要
Gaia早期数据版本3（EDR3）为整个天空提供了近15亿个来源的精确天文测量。其中几十个与银河系和麦哲伦云的中子恒星有关。在这里，我们使用Antoniadis中概述的方法（2021）报告了搜索EDR3对应物与已知旋转驱动的脉冲星的搜索。 EDR3和ATNF PULSAR目录之间的互相关标识了41个紧密的星形对（$ <0.5 $ arcsec在PULSAR位置的参考时期）。其中二十六个与以前所知的光学对应物有关，而其余的是需要进一步随访的候选对。亮点包括螃蟹Pulsar（PSR B0531+21），其中EDR3的距离为$ 2.08^{+0.78} _ { - 0.45} $ kpc（或$ 2.00 _ { - 0.38}^{+0.56}^{+0.56} $ kpc the Expersion-profite and psseriation-profiate 95％ J1638-4608，一种被认为是孤立的脉冲星，位于Gaia源的0.056 Arcsec之内。
The Early Gaia Data Release 3 (EDR3) provides precise astrometry for nearly 1.5 billion sources across the entire sky. A few tens of these are associated with neutron stars in the Milky Way and Magellanic Clouds. Here, we report on a search for EDR3 counterparts to known rotation-powered pulsars using the method outlined in Antoniadis (2021). A cross-correlation between EDR3 and the ATNF pulsar catalogue identifies 41 close astrometric pairs ($< 0.5$ arcsec at the reference epoch of the pulsar position). Twenty six of these are related to previously-known optical counterparts, while the rest are candidate pairs that require further follow-up. Highlights include the Crab Pulsar (PSR B0531+21), for which EDR3 yields a distance of $2.08^{+0.78}_{-0.45}$ kpc (or $2.00_{-0.38}^{+0.56}$ kpc taking into account the dispersion-measure prior; errors indicate 95% confidence limits) and PSR J1638-4608, a pulsar thus-far considered to be isolated that lies within 0.056 arcsec of a Gaia source.
