Nebulosa de cangrejo

Nebulosa de cangrejo

El telescopio espacial James Webb de la NASA diseccionó la estructura de la nebulosa de cangrejo, ayudando a los astrónomos mientras continúan evaluando las teorías líderes sobre los orígenes del remanente de supernova. Con los datos recopilados por la NIRCAM (cámara de infrarrojo cercano) de Webb y Miri (instrumento de infrarrojo medio), un equipo de científicos pudo inspeccionar de cerca algunos de los componentes principales de la nebulosa de cangrejo. Representado como material magenta esponjoso, los granos de polvo forman una estructura similar a la jaula que es más evidente hacia la parte inferior izquierda y la parte superior derecha derecha del remanente. Los filamentos de polvo también se roscan en todo el interior del cangrejo y, a veces, coinciden con regiones de azufre doblemente ionizado (azufre III) de color en verde. Los filamentos moteados de color blanco amarillo, que forman grandes estructuras en forma de bucle alrededor del centro del remanente de supernova, representan áreas donde el polvo y la superposición de azufre doblemente ionizada.

La estructura similar a la jaula del polvo ayuda a restringir a algunos, pero no todas las emisiones de sincrotrón fantasmales representados en azul. La emisión se asemeja a las mechas de humo, más notables hacia el centro del cangrejo. Las cintas azules delgadas siguen las líneas de campo magnético creadas por el corazón Pulsar del cangrejo: una estrella de neutrones que giran rápidamente.

credits

Image

Nasa, ESA, CSA, STSci, TEA TEMIM (Universidad de Princeton

"/" Ul ". class = "Buttons-List">
  • Remnants de supernova
  • nebulas
  • Nutron Stars
  • Pulsars
    • About The Object
    Object Name Crab Nebula, M1, NGC 1952
    Object Description Supernova Remnant, Pulsar
    R.A. Position 05:34:32
    Dec. Position +22:00:52
    Constellation Taurus
    Distance 6500 light-years
    Dimensions Image is about 5.5 arcmin across (about 10 light-years)
    About The Data
    Data Description This image was created with Webb data from proposal: (T. Temim) - Image Processing: Joseph DePasquale (STScI)
    Instrument NIRCam, MIRI
    Exposure Dates 31 Oct 2022, 24 Feb 2023, 17 Mar 2023
    Filters NIRCam: F480M; MIRI: F1800W, F2100W
    About The Image
    Color Info This image is a composite of separate exposures acquired by the James Webb Space Telescope using the NIRCam and MIRI instruments. Several filters were used to sample specific wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter or images derived from mathematical combinations of filters. In this case, the assigned colors are:  Blue: Synchrotron (F480M),  Green: Sulfur (derived from F1800W and F2100W) Magenta: Dust (derived from F1800W and F2100W)
    Compass Image The Crab Nebula. An oval with complex structure extends from lower left to upper right against a black background. On the oval’s exterior lie curtains of glowing yellow and green fluffy material. Its interior shell shows large-scale loops of mottled filaments of yellow-white and green, studded with clumps and knots. Translucent thin ribbons of smoky blue lie within the remnant’s interior, brightest toward its center. The blue material follows different directions throughout, including sometimes sharply curving away from certain regions within the remnant. A faint, wispy ring of blue material encircles the very center of the nebula. Around and within the supernova remnant are many points of blue, green, purple, and white light.
    About The Object
    Object Name A name or catalog number that astronomers use to identify an astronomical object.
    Object Description The type of astronomical object.
    R.A. Position Right ascension – analogous to longitude – is one component of an object's position.
    Dec. Position Declination – analogous to latitude – is one component of an object's position.
    Constellation One of 88 recognized regions of the celestial sphere in which the object appears.
    Distance The physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
    Dimensions The physical size of the object or the apparent angle it subtends on the sky.
    About The Data
    Data Description
    • Proposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    • Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
    Instrument The science instrument used to produce the data.
    Exposure Dates The date(s) that the telescope made its observations and the total exposure time.
    Filters The camera filters that were used in the science observations.
    About The Image
    Image Credit The primary individuals and institutions responsible for the content.
    Publication Date The date and time the release content became public.
    Color Info A brief description of the methods used to convert telescope data into the color image being presented.
    Orientation The rotation of the image on the sky with respect to the north pole of the celestial sphere.

    Descargar

    Comparar

    Mapa