PSR-1259-63 - A BINARY RADIO PULSAR WITH A BE STAR COMPANION

被引：316
|
作者：
JOHNSTON, S
MANCHESTER, RN
LYNE, AG
BAILES, M
KASPI, VM
QIAO, GJ
DAMICO, N
机构：
[1] UNIV MANCHESTER,NUFFIELD RADIO ASTRON LABS,MACCLESFIELD SK11 9DL,ENGLAND
[2] PRINCETON UNIV,JOSEPH HENRY LABS,PRINCETON,NJ 08544
[3] PRINCETON UNIV,DEPT PHYS,PRINCETON,NJ 08544
[4] CAAST,CTR ASTRON & ASTROPHYS,BEIJING,PEOPLES R CHINA
[5] BEIJING UNIV,DEPT GEOPHYS,BEIJING 100871,PEOPLES R CHINA
[6] UNIV PALERMO,IST FIS,I-90134 PALERMO,ITALY
[7] CNR,IST RADIOASTRON,I-40126 BOLOGNA,ITALY
来源：
ASTROPHYSICAL JOURNAL | 1992年 / 387卷 / 01期
关键词：
BINARIES; ECLIPSING; PULSARS; INDIVIDUAL; PSR-1259-63; STARS; EMISSION-LINE; BE;
D O I：
10.1086/186300
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report the discovery of the first known radio pulsar with a massive, nondegenerate companion. PSR 1259-63, found during a large-scale high-frequency survey of the southern Galactic plane, has a period of 47 ms and a pulse profile similar to that of the Crab pulsar. Observations using the Parkes radio telescope at frequencies around 660 and 1520 MHz over the period 1989 November to 1991 September show that the pulsar is in a highly eccentric orbit around a massive companion. Near periastron, the pulsar is eclipsed, presumably by a wind from the companion star. On the basis of astrometric measurements, we have optically identified the companion as a 10th magnitude Be star, SS 2883. This unique system forms a link between Be X-ray binary systems and recycled pulsars.
引用
收藏
页码：L37 / L41
页数：5
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