The motions of the material around the white dwarf SDSS J1228+1040

This plot is an unusual type of image, showing the velocities of the gas in the disc around the white dwarf SDSS J1228+1040, rather than its position. It was mapped out from Very Large Telescope observations over a period of twelve years and by applying a method called Doppler tomography. The dashed circles correspond to material in circular orbits at two different distances from the star. This appears “inside out” because material moves faster in close-in orbits.

Telif:

University of Warwick/C. Manser/ESO

Görüntü Hakkında

Kimlik:eso1544c
Tür:Benzetim
Yayın tarihi:11 Kasım 2015 12:00
Bağlantılı bültenler:eso1544
Boyut:6000 x 6000 px

Nesne Hakkında

Adı:SDSS J122859.93+104032.9
Tür:Milky Way : Star : Evolutionary Stage : White Dwarf
Milky Way : Star : Circumstellar Material : Disk : Debris
Uzaklık:450 ışık yılı
Kategori:Illustrations

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