人類的那個"黑洞"多波段指紋被全球19個望遠鏡陣同步觀測捕獲

人類的那個"黑洞"多波段指紋被全球19個望遠鏡陣同步觀測捕獲

A team of 760 scientists and engineers from 32 countries and regions around the world and nearly 200 scientific research institutions, using 19 telescope arrays to observe synchronously, successfully captured the multi band “fingerprint” of the black hole that human first “saw”。 The observation data were released around the world on the 14th。

來自全球32個國家和地區、近200個科研機構的760名科學家和工程師組成的團隊,使用19臺望遠鏡陣同步觀測,成功捕獲到人類首次“看見”的那個黑洞的多波段“指紋”,觀測資料14日在全球公佈。

人類的那個"黑洞"多波段指紋被全球19個望遠鏡陣同步觀測捕獲

The black hole that humans first “saw” is located in the center of M87, a giant elliptical galaxy in Virgo, 55 million light-years away from earth, with a mass about 6。5 billion times that of the sun。 There is a shadow in the center of the black hole, surrounded by a crescent halo。 On April 10, 2019, scientists first released this black hole image through the observation of the supermassive black hole in the center of M87 galaxy by the event horizon telescope (EHT) in April 2017。

人類首次“看見”的那個黑洞,位於室女座一個巨橢圓星系M87的中心,距離地球5500萬光年,質量約為太陽的65億倍。黑洞的中心區域存在一個陰影,周圍環繞一個新月狀光環。2019年4月10日,科學家首次釋出的這個黑洞照片,是透過事件視界望遠鏡(EHT)於2017年4月對M87星系中央超大質量黑洞的觀測而獲得的。

While using the event horizon telescope (EHT) to observe the black hole, scientists also coordinated 19 telescope arrays around the world to observe the black hole and its jet, and carried out the widest multi band synchronous observation so far, successfully collecting the observation data from the end of March to the middle of May 2017。

科學家利用事件視界望遠鏡(EHT)對這個黑洞進行觀測的同時,還協調了全球19臺望遠鏡陣對這個黑洞及其噴流,開展了迄今頻率覆蓋最廣的多波段同步觀測,成功收集到2017年3月底至5月中旬的觀測資料。

人類的那個"黑洞"多波段指紋被全球19個望遠鏡陣同步觀測捕獲

As the most sensitive long millimeter wave radio telescope in East Asia, the 65 meter Tianma telescope of Shanghai Observatory of the Chinese Academy of Sciences has also participated in the synchronous observation of two telescope arrays and three bands around the world。 The Tianma telescope team has successfully developed relevant observation equipment and carried out subsequent data analysis。

作為東亞地區靈敏度最高的長毫米波射電望遠鏡,中科院上海天文臺65米口徑的天馬望遠鏡也參加了全球2個望遠鏡陣、3個波段的同步觀測,天馬望遠鏡團隊成功研發了相關觀測裝置,並進行了後續資料分析。

“These multi band observations are like multi band fingerprints of black holes。” Shen Zhiqiang, director and researcher of Shanghai Observatory, said, “the black hole first seen by human beings covers the whole electromagnetic spectrum from radio waves to visible light to gamma rays。 For each black hole, its radiation characteristics in each electromagnetic band are different。 By collecting ”fingerprints“ of this radiation, we can deepen people‘s understanding of black holes and their jets。 ”

“這些多波段的觀測資料,就好比黑洞的多波段‘指紋’。”上海天文臺臺長、研究員沈志強介紹說,“人類首次看見的那個黑洞,噴流的輻射覆蓋從無線電波、到可見光、再到伽馬射線的整個電磁波譜。對每個黑洞而言,其在各電磁波段的輻射特徵各不相同。透過收集這些輻射的‘指紋’,可以加深人們對黑洞及其噴流的瞭解。”

The combination of multi band observation data of 19 telescope arrays and event horizon telescope (EHT) observations can enable scientists to conduct in-depth analysis on some of the most important and challenging research fields of astrophysics。 For example, to further test and improve Einstein’s general theory of relativity, in-depth study of the origin of “cosmic rays” and other scientific issues。

19個望遠鏡陣多波段的觀測資料與事件視界望遠鏡(EHT)觀測相結合,可以讓科學家對天體物理學一些最重要、最具挑戰性的研究領域進行深入分析。例如,進一步檢驗並改進愛因斯坦廣義相對論、深入研究“宇宙線”起源等科學問題。

全球19個望遠鏡陣同步觀測的黑洞多波段資料被成功獲取

Facing the vast universe, scientific exploration is endless。 At present, scientists around the world are once again making more extensive joint observations of the first black hole, the supermassive black hole at the center of the Milky Way galaxy and several other distant black holes through the event horizon telescope (EHT) and other telescopes。 In this new round of observation, Shanghai Tianma telescope is also involved。

面對浩瀚宇宙,科學探索無窮無盡。目前,全球科學家正在對人類首次看見的那個黑洞、銀河系中心超大質量黑洞以及另外若干遙遠的黑洞,再一次透過事件視界望遠鏡(EHT)和其他望遠鏡陣進行更廣泛的聯合觀測。在這新一輪觀測中,上海天馬望遠鏡也參與其中。

頂部