London Chinese Website
地产经纪:李志凌
地产经纪:黄俊
地产经纪:淡节
地产经纪 周宏伟
地产经纪郭湧涛
地产经纪:王晓红
地产经纪崔秀志
房屋经纪:Sally
地产经纪 刘飞宇
专职律师孙鑫
枫果旅游
广告招租
广告招租
万通电讯
星湾电讯
徐萍
地产经纪 George Yin
和利金融
中凯金融
广告招租

加拿大伦敦华人网™

 找回密码
 注册

China's FAST telescope finds two pulsars during trial operation

2017-10-10 05:09| 发布者: leedell| 查看: 111| 评论: 0|来自: Xinhua

摘要: After one year of trial operation, the China-based FAST, the world's largest single-dish radio telescope, has identified two pulsars, the National Astronomical Observatories of China (NAOC) said Tuesd ...

After one year of trial operation, the China-based FAST, the world's largest single-dish radio telescope, has identified two pulsars, the National Astronomical Observatories of China (NAOC) said Tuesday.

The pulsars, named J1859-01 and J1931-01, are 16,000 light years and 4,100 light years from Earth with rotation periods of 1.83 seconds and 0.59 seconds, respectively.

According to Li Di, chief scientist at the NAOC, the two pulsars were discovered on Aug. 22 and 25 when FAST was drift-scanning the southern galactic plane. The discovery was later confirmed by the Australia-based 64-meter Parkes radio telescope in September.

Peng Bo, deputy director of the FAST project, said three to five years are usually needed for trial operation for a radio telescope as large and complicated as FAST.

"It is truly encouraging to have achieved such results within just one year," said Peng.

Located in a naturally deep and round karst depression in southwest China's Guizhou Province, FAST, which stands for Five-hundred-meter Aperture Spherical Radio Telescope, was completed in September 2016.

The receiving area of FAST is equivalent to about 30 football fields.

FAST's key technical components include the feed cabin, 4,600 triangular panels and an active reflector. With it, astronomers are able to survey hydrogen in the Milky Way and other galaxies, detect thousands of new pulsars and seek out the origin and evolution of the universe.

最新评论

安省西洋参
邱远雯刑事律师事务所
广告招租
广告招租
广告招租
广告招租
广告招租
金房地产
专业贷款顾问:Vivian Xiao
RBC专业贷款顾问  晏雷
广告招租
广告招租
甜蜜婚介
保险陈立
江涛旅游保险
保险经纪:Bob
广告招租
广告招租
广告招租
广告招租
XQ会计和税务服务公司:刘笑秋
专业会计与报税服务 徐萍
时代商务
SL数学教育辅导中心
伦敦跨国教育服务中心
广告招租
韩国发型师
广告招租
广告招租
电工张先生
精工电力
小马装修翻新
广告招租
美新屋顶
张师傅装修
富豪装修设计公司
旭日冷暖
广告招租
安省注册教练:Steven
广告招租
驾车教练
驾车教练余教练
安省注册教练 孙乾
安省注册教练:丁一民
安省注册教练:王教练
惠教练
驾车教练

广告合作(Contact Us)|关于我们|小黑屋|手机版|Archiver|加拿大伦敦华人网

GMT-4, 2024-4-27 17:52

Powered by Discuz! X3.4 Licensed

© 2001-2013 Comsenz Inc.

返回顶部