arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1807.04249astro-ph.HE
收藏

PSR J0636 +5128:紧张轨道中的热伴

PSR J0636+5128: A Heated Companion in a Tight Orbit

Paul Draghis, Roger W. Romani

摘要:

本文分析了这颗短周期双星(P_B=95.8min)2.87ms脉冲星的Gemini g ',r',K和Keck H,K_s成像。被加热的同伴被清楚地检测到。直接脉冲星加热提供了一个可接受的模型,在修订后的视差距离> 700 pc。相对较浅的光变曲线调制倾向于倾角i<40度;这一高纬度视图为缺乏风色散或日食的无线电特征提供了可能的解释。它也解释了低的最小伴星质量,以及X射线和伽马射线源的微弱。

英文摘要:

We present an analysis of archival Gemini g', r', K and Keck H, K_s imaging of this nearby short period binary (P_B=95.8min) 2.87ms pulsar. The heated companion is clearly detected. Direct pulsar heating provides an acceptable model at the revised >700pc parallax distance. The relatively shallow light curve modulation prefers an inclination i<40deg; this high latitude view provides a likely explanation for the lack of radio signatures of wind dispersion or eclipse. It also explains the low minimum companion mass and, possibly, the faintness of the source in X- and gamma-rays.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑