George's Random Astronomical Object

  • Autor: Vários
  • Narrador: Vários
  • Editor: Podcast
  • Duración: 26:45:45
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Sinopsis

Science discussions about astronomical objects selected at random locations in the sky.

Episodios

  • Object 18: 0.2 Seconds of Gamma Rays

    06/04/2020 Duración: 07min

    The short gamma ray burst GRB 100206A was found in a luminous infrared galaxy, which is very unusual place to find such gamma ray bursts.

  • Object 17: Confusing U

    23/03/2020 Duración: 09min

    4U 1957+115 is a low mass X-ray binary, a binary star system with a normal star about the size of the Sun and a relatively small black hole three times the mass of the Sun, and it also has an unfortunately confusing name.

  • Object 16: Playing Golf on the Moon

    09/03/2020 Duración: 13min

    The extremely bright, point-like emission from J1955+5131 in visible light and radio waves makes it useful for matching up images from different parts of the electromagnetic spectrum as well as an interesting object in its own right.

  • Object 15: Calibrated Variability

    24/02/2020 Duración: 13min

    Despite the variability of the gamma radiation from J0510+1800, this blazar is used as a flux calibrator at millimeter and submillimeter wavelengths.

  • Object 14: Exoplanetary Acronym 103b

    10/02/2020 Duración: 10min

    WASP-103 has an acronym for a name and also has a gaseous planet orbiting so close to it that the planet is in danger of being destroyed.

  • Object 13: White Dwarf Facial Reconstruction

    27/01/2020 Duración: 07min

    BV Centaurus is an unusual example of a class of U Gem cataclysmic variable stars in which a white dwarf is stripping gas from a companion star.

  • Object 12: Watching Infrared Paint Dry

    13/01/2020 Duración: 11min

    ELAIS N1 is a extragalactic deep field selected specifically for identifying many distant, faint galaxies at infrared wavelengths.

  • Object 11: Howling Fast Differential Rotation

    30/12/2019 Duración: 09min

    Psi Capricorni was the first star other than the Sun where the phenomenon of differental rotation was ever measured.

  • Object 10: Ram Your Jellyfish

    16/12/2019 Duración: 11min

    Abell 85 is a large, nearby cluster of galaxies with so many things happening inside that it could be called a ball of chaos.

  • Object 9: A Cruise Holiday with a Peculiar Carbon Star

    02/12/2019 Duración: 09min

    The star HD 214714 contains not only a large amount of carbon in its stellar atmosphere but also a peculiar combination of other heavy elements as well.

  • Object 8: A Misbehaving LIRG

    18/11/2019 Duración: 10min

    II Zw 96 is a luminous infrared galaxy (LIRG) where most of the infrared emission comes from some type of off-center region, which is weird compared to most other LIRGs.

  • Object 7: Circles within Circles

    04/11/2019 Duración: 11min

    30 Ari contains four stars and an exoplanet all arranged in a rather complex set of nested orbits.

  • Object 6: Extra Peculiar

    21/10/2019 Duración: 08min

    HD 98851 is both an Am chemically peculiar star and a delta Scuti variable star, and it has two different pulsation cycles, which makes it really peculiar.

  • Object 5: Some Unexpected Helium

    07/10/2019 Duración: 10min

    RV Octantis would be considered a run-of-the-mill RR Lyrae variable star if it wasn't for the unexpected discovery of helium in its atmosphere.

  • Object 4: A Damp Lyman Alpha Elephant

    23/09/2019 Duración: 13min

    The most interesting thing about the quasar LBSQ 0058+0155 is not the quasar itself but the galaxy between the quasar and Earth.

  • Object 3: Room Temperature

    09/09/2019 Duración: 08min

    HD 85512 is a nearby star slightly smaller and more orange than the Sun. It happens to have an exoplanet that could be close to Earth-like.

  • Object 2: Variable Variability

    26/08/2019 Duración: 09min

    HS Hydrae is a variable eclipsing binary star, which sounds more unusual than it actually is. However, it's precessing, which is not only unusual but also causes the variability to vary over time.

  • Object 1: Not the Pope

    12/08/2019 Duración: 08min

    The Leo IV Dwarf Galaxy is one of several ultra faint dwarf galaxies that orbit the Milky Way. Galaxies like this are weird relics of when the universe first formed; they contain very old stellar populations and abnormally large amounts of dark matter.

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