Essays about: "model stars"

Showing result 21 - 25 of 95 essays containing the words model stars.

  1. 21. Colliding Galaxies in a (Nut)Shell

    University essay from Lunds universitet/Astronomi - Genomgår omorganisation; Lunds universitet/Fysiska institutionen

    Author : Jonathan Petersson; [2022]
    Keywords : shell galaxies; simulations; starbursts; quenching; mergers; Physics and Astronomy;

    Abstract : Galaxy interactions and mergers are natural recurring events in the current cosmological paradigm, events that often coincide with starbursts and enhanced star formation activity. To understand why that is, one can use idealised (non-cosmological) merger simulations, which provide freedom to recreate specific tidally distorted galaxies, and analysis of the time evolution and underlying physics of the star formation activity at a high spatial resolution. READ MORE

  3. 22. Planes of satellite galaxies

    University essay from Lunds universitet/Astronomi - Genomgår omorganisation

    Author : Jessica Laura Erika Kocher; [2022]
    Keywords : Physics and Astronomy;

    Abstract : The Planes of Satellites Problem is an open question within the field of galaxy formation. It is based on the observations that the Milky Way's satellites, as well as those around the Andromeda (M31) galaxy, align in planes. READ MORE

  4. 23. Estimating Properties of a Young Pulsar through X-ray Observations - An Investigation of Parameter Dependence

    University essay from KTH/Fysik

    Author : Lurin Ali; [2022]
    Keywords : Pulsar; Neutron star; Supernova;

    Abstract : Studying the properties of newborn neutron stars is a complicated matter since they cannot be directly observed. Neutron stars are born when some massive stars go supernova (SN), where the expelled material from the explosion goes on to shield the young neutron star from our view by absorbing its radiation. READ MORE

  5. 24. Constraining the age of HD 140283

    University essay from Uppsala universitet/Institutionen för fysik och astronomi

    Author : Edison Arellano Almeida; [2022]
    Keywords : ;

    Abstract : 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. READ MORE

  6. 25. The Rotational Centre of the Large Magellanic Cloud

    University essay from Lunds universitet/Astronomi - Genomgår omorganisation

    Author : Alma Bergström; [2022]
    Keywords : Physics and Astronomy;

    Abstract : The Large and Small Magellanic Clouds (LMC & SMC) are the two largest galaxies orbiting the Milky Way (MW). The interactions between them have affected the evolution of both galaxies. The interactions have affected the galaxies differently depending on how strong they have been. READ MORE