Sökning: "Edison Arellano Almeida"

Hittade 2 uppsatser innehållade orden Edison Arellano Almeida.

1. 1. Searching for direct collapse black holes using the James Webb Space Telescope

   Master-uppsats, Uppsala universitet/Institutionen för fysik och astronomi

   Författare :Edison Arellano Almeida; [2022]
   Nyckelord :extragalactic astronomy;

   Sammanfattning : Recent detections of massive quasars at z > 6 has proven to be an interesting challengefor cosmology given the short time frame that these objects have to reach a certainmass via conventional methods (e.g., galaxy mergers). LÄS MER

3. 2. Constraining the age of HD 140283

   Master-uppsats, Uppsala universitet/Institutionen för fysik och astronomi

   Författare :Edison Arellano Almeida; [2022]
   Nyckelord :;

   Sammanfattning : HD 140283, also known as the Methuselah star, is an old, metal-poor star on the subgiant branch.It has been the subject of many studies due to its relatively large apparent brightness, and due to itbeing one of the oldest stars known. LÄS MER