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Articles tagged: Type 1a supernova

  • binary stars, doublestar systems September 2017 Binary stars and their extraordinary lives

    ... medium with iron in the process. A merger between two white dwarfs may also trigger the same type of supernovae. Because of their homogeneity, these explosions can be used as ‘standard candles’ such that we can calculate their distance...

    • binary stars
    • doublestar systems
    Authors: Orsola De Marco     Robert G. Izzard    
  • gamma-ray bursts, GW150914, MASTER, space monitoring February 2017 Global robotic network for monitoring near-Earth and outer space

    ...the following fundamental tasks: Researching the laws of accelerated expansion of the Universe with the use of type 1a supernovae. The discovery of these objects in the red shift range of 0.1 < z < 0.8, where the decelerated and accelerated expansion...

    • gamma-ray bursts
    • GW150914
    • MASTER
    • space monitoring
    Authors: V.M. Lipunov    
  • All Sky Automated Survey for Supernovae (ASASSN), ASASSN-15lh, Quark Nova, quark star, supernovae explosions 14 November 2016 Mysterious Quark Nova lights up an exploding star for a second time

    ... of matter onto a companion star and as the matter reaches a critical limit, it ignites a series of runaway nuclear reactions. Type II supernovas occur when a star runs out of nuclear fuel and it collapses under its own gravity. What is left...

    • All Sky Automated Survey for Supernovae (ASASSN)
    • ASASSN-15lh
    • Quark Nova
    • quark star
    • supernovae explosions
  • ESA’s XMM-Newton, Expanding Universe, Lambda-CDM, Quasar, Sloan Digital Sky Survey (SDSS) 30 January 2019 New physics needed to explain early expansion of the Universe

    ... as standard candles has great potential, since we can observe them out to much greater distances from us than type-Ia supernovas, and so use them to probe much earlier epochs in the history of the cosmos,” explains Lusso. So, using X-ray...

    • ESA’s XMM-Newton
    • Expanding Universe
    • Lambda-CDM
    • Quasar
    • Sloan Digital Sky Survey (SDSS)
  • American Academy of Arts and Sciences, Dark Energy Survey, Fermi National Accelerator Laboratory, Josua Frieman, SDSS-II Supernova Survey 26 April 2016 Professor Joshua Frieman elected to the American Academy of Arts and Sciences

    ... of mass on galaxy and cluster scales. With the aid of the SDSS-II Supernova Survey, his research interests also includes analysing type Ia supernovae (SNe Ia) to better understand their role as cosmological distance indicators and to improve...

    • American Academy of Arts and Sciences
    • Dark Energy Survey
    • Fermi National Accelerator Laboratory
    • Josua Frieman
    • SDSS-II Supernova Survey
  • Cepheid variable stars, cosmic microwave background (CMB), Hubble constant, Hubble Space Telescope, Red giant stars 17 July 2019 New measurement deepens mystery of Universe’s expansion rate

    ...a definitive figure for Hubble’s constant as the powerful space observatory aims to collect a wealth of information on new Type Ia supernovae, Cepheid variables, and red giant stars, amongst other celestial objects. Its Hubble-like resolution and ...

    • Cepheid variable stars
    • cosmic microwave background (CMB)
    • Hubble constant
    • Hubble Space Telescope
    • Red giant stars
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