News
  • Mrk 231- The Immature Radio Quasar

    Active Galactic Nuclei ( AGN ) is a very special class of extragalactic objects .Quasars are extremely bright AGNs . Quasars can be divided into radio quiet and radio loud quasars according to the ratio of radio intensity relative to optical intensity of quasars .How the black hole at the center of the active galaxy affects its hos...

    04 15, 2021
  • JCMT and ALMA: Hunting for stellar nurseries in Orion

    Stars are known to form in so-called “ molecular clouds ” .Collections of cold gas and dust in the space between stars .These stellar nurseries can contain a number of dense clumps of gas and dust called “ prestellar cores " .Research has suggested that these cores are expected to exhibit concentrated structures within them - th...

    02 22, 2021
  • The “Lightsaber” Explained: An Analytical Model of Astrophysical Jet is Built

    Jets are ubiquitously in association with different celestial objects .The longest jet can reach a range 10 billion times longer than its initial radius , and the maximum jet velocity can reach up to 99.99% of the speed of light .The process of how jet launching , acceleration and collimation is one of the main unsolved problems in...

    02 08, 2021
  • A Novel Method to Weigh the Milky Way with Its "Missing" Baryons

    The Milky Way (MW), the Galaxy that we reside in, contains many mysteries. Astronomical observations have provided strong evidence that the Galaxy is dominated by dark matter, while the normal matter, the baryons, only accounts for a small fraction of about 6% of the total gravitating matter, which is even significantly lower than ...

    12 17, 2020
  • Prof. Tao An and collaborators are in the finalists for the 2020 "Gordon Bell Prize"

    [ November 16 , " Processing full - scale Square Kilometre Array workflow on the Summit supercomputer " , with the participation of Professor Tao An and Mr . Baoqiang Lao of the Shanghai Astronomical Observatory ( SHAO ) .DALiuGE is able to manage up to tens of millions of tasks simultaneously , can execute data streams of up to Tb...

    11 18, 2020
  • Evidence for Past Supermassive Black Hole Jets inthe Milky Way Galaxy Revealed by CAS Researchers

    A pair of gigantic gamma-ray bubbles centered on the core of the Milky Way galaxy were discovered by the Fermi Gamma-ray Space Telescope 10 years ago. The question of how they were formed still remains as a mystery. Recently, researchers at Shanghai Astronomical Observatory presented a new model, explaining for the first time the o...

    05 06, 2020
  • Searching for the Polyphony Players——Compact Group of Galaxies

    Galaxies are the building blocks of the visible universe , inhabiting a variety of environments .Observations show that over half of the galaxies are located in group systems which have members from a few to dozens .One of the important observational samples of the LAMOST spectral survey is to supplement the missed main sample gala...

    12 10, 2019
  • Chinese Scientists Complete First SKA Regional Center Prototype

    Chinese scientists have developed the first regional center prototype of the Square Kilometer Array ( SKA ) , the world ' s largest astronomical device .The prototype , developed by the Shanghai Astronomical Observatory ( SHAO ) with the support of the Ministry of Science and Technology and the Chinese Academy of Sciences .Will hel...

    11 22, 2019
  • Searching the predecessor of the merging galaxy

    On a clear night in 1785 , William Herschel used his own telescope to observe as usual .The difference is that this night he found a very unusual celestial object in Corvus ( the Antennae Galaxy , Fig .Since then , such kind of celestial objects , called the merging galaxies , have fascinated countless astronomers .News Contact : Z...

    07 19, 2019
  • Astronomers Capture First Image of a Black Hole— Chinese astronomers contributeto paradigm-shifting observations of the gargantuan black hole at the heart of distant galaxy Messier 87

    The Event Horizon Telescope ( EHT ) — a planet-scale array of eight ground-based radio telescopes forged through international collaboration — was designed to capture images of a black hole .Today , in coordinated press conferences across the globe , EHT researchers reveal that they have succeeded , unveiling the first direct vis...

    04 10, 2019
  • SHAO Researchers Discovered a Month-long QPO in Gamma-ray of a Blazar

    Supposing a distant active black hole is vomiting towards you , what will you see ?Recently , a research group led by Prof . WANG Zhongxiang from Shanghai Astronomical Observatory discovered a month-long Quasi-Periodic Oscillation ( QPO ) from such a black hole .Since our viewing angle to the jet ’ s emission undergoes periodic ch...

    11 27, 2018
  • Has Juno solved the mysterious origin of the Jupiter’s zonal winds?

    A research team led by Dr. KONG Dali from Shanghai Astronomical Observatory (SHAO), Chinese Academy of Sciences found that multiple possibilities of zonal winds structure could exist using the Juno spacecraft’s measurements. They also present some weaknesses in the earlier influential paper published on Nature. This work has been ...

    09 06, 2018
  • 2018 MWA Project Meeting Held in SHAO

    Shanghai Astronomical Observatory ( SHAO ) held this year ’ s MWA Project Meeting from June 10 to June 13 , with supports from MWA Observatory Ministry of Science and Technology of the People ’ s Republic of China , SKA China Office .And Chinese Academy of Science . MWA Board Members , Director of MWA Management Group , Academici...

    06 26, 2018
  • The Milky Way’s star dust distribution precisely measured by SHAO astronomers

    Figure 1 : Image of the Sombrero Galaxy ( also known as M104 ) from Hubble space telescope ( upper ) .Recently , the structure of dust component in the Milky Way Galaxy has been accurately modeled revealing the most accurate scale of the Galactic dust distribution so far .News Contact : ZUO Wenwen , Shanghai Astronomical Observator...

    05 15, 2018
  • East Asia VLBI Radio Telescope Network to Start Scientific Commission

    East Asia Very Long Baseline Interferometry ( EA VLBI Network , EAVN ) , a network composed of 21 radio telescopes from China , Japan and South Korea , has been astronomically operational and will begin scientific commissioning soon .To learn more about the EAVN , please contact : AN Tao , Shanghai Astronomical Observatory ( http :...

    02 05, 2018