Upcoming Events

Apr
29
Mon
10:30 DAWN journal club
DAWN journal club
Apr 29 @ 10:30 – 11:00
DAWN journal club
Weekly paper discussion session.   For the current agenda, upcoming moderators, and other details, please visit cosmicdawn.dk/wikidawn/dawn-activities/journal-club.
May
6
Mon
10:30 DAWN journal club
DAWN journal club
May 6 @ 10:30 – 11:00
DAWN journal club
Weekly paper discussion session.   For the current agenda, upcoming moderators, and other details, please visit cosmicdawn.dk/wikidawn/dawn-activities/journal-club.
May
13
Mon
10:30 DAWN journal club
DAWN journal club
May 13 @ 10:30 – 11:00
DAWN journal club
Weekly paper discussion session.   For the current agenda, upcoming moderators, and other details, please visit cosmicdawn.dk/wikidawn/dawn-activities/journal-club.
May
20
Mon
10:30 DAWN journal club
DAWN journal club
May 20 @ 10:30 – 11:00
DAWN journal club
Weekly paper discussion session.   For the current agenda, upcoming moderators, and other details, please visit cosmicdawn.dk/wikidawn/dawn-activities/journal-club.
 

Recent DAWN papers

Oates, S. R. et al. , Swift/UVOT discovery of Swift J221951-484240: a UV luminous ambiguous nuclear transient, Monthly Notices of the Royal Astronomical Society

Zheng, Zhiyuan et al. , Quasars with flare/eclipse-like variability identified in ZTF, Monthly Notices of the Royal Astronomical Society

Glazebrook, Karl et al. , A massive galaxy that formed its stars at z ≈ 11, Nature


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Post Tagged with: "Active galactic nuclei"

 
  • Sorte huller hjalp med at kvæle stjernedannelse i det tidlige Univers

    Mens nogle galakser danner massevis af nye stjerner, dør andre ud og lever et mere passivt liv. Hvad der afholdt disse galakser fra at danne nye stjerner i en ung alder er ikke velforstået, bl.a. fordi de er så fjerne og lyssvage at de nødigt lader sig observere. Men ved at se på det samlede lys fra tusindvis af galakser er det nu lykkedes astronomer fra bl.a. Københavns Universitet at vise, at sorte huller hjalp til med at slukke for stjernedannelsen.

     
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  • Black holes helped quenching star formation in the early Universe

    While some galaxies form stars at a continuous rate, others die out and lead a more passive life. What made these galaxies stop forming stars at an early age is not well established, not the least because they are so distant and faint that they evade being observed. But looking at the combined light from thousands of galaxies, a team of astronomers including the University of Copenhagen showed that black holes helped turn off star formation.

     
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RSS Astro-Pic Of the Day

  • Untitled
    How did a star form this beautiful nebula?