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Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F22%3A00567458" target="_blank" >RIV/67985815:_____/22:00567458 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11320/22:10456945

  • Result on the web

    <a href="https://doi.org/10.1126/science.add5399" target="_blank" >https://doi.org/10.1126/science.add5399</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1126/science.add5399" target="_blank" >10.1126/science.add5399</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

  • Original language description

    A black hole x-ray binary (XRB) system forms when gas is stripped from a normal star and accretes onto a black hole, which heats the gas sufficiently to emit x-rays. We report a polarimetric observation of the XRB Cygnus X-1 using the Imaging X-ray Polarimetry Explorer. The electric field position angle aligns with the outflowing jet, indicating that the jet is launched from the inner x-ray–emitting region. The polarization degree is 4.01 ± 0.20% at 2 to 8 kiloelectronvolts, implying that the accretion disk is viewed closer to edge-on than the binary orbit. These observations reveal that hot x-ray–emitting plasma is spatially extended in a plane perpendicular to, not parallel to, the jet axis.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10308 - Astronomy (including astrophysics,space science)

Result continuities

  • Project

    <a href="/en/project/GX21-06825X" target="_blank" >GX21-06825X: Accreting Black Holes in the new era of X-ray polarimetry missions</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Science

  • ISSN

    0036-8075

  • e-ISSN

    1095-9203

  • Volume of the periodical

    378

  • Issue of the periodical within the volume

    6620

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    5

  • Pages from-to

    650-654

  • UT code for WoS article

    000898883700013

  • EID of the result in the Scopus database

    2-s2.0-85141541504