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ASASSN-24fw: Candidate Gas-rich Circumsecondary Disk Occultation of a Main-sequence Star

  • Authors: Nadia L. Zakamska, Gautham Adamane Pallathadka, Dmitry Bizyaev, Jaroslav Merc, James E. Owen, Henrique Reggiani, Kevin C. Schlaufman, Karolina Bąkowska, Sławomir Bednarz, Krzysztof Bernacki, Agnieszka Gurgul, Kirsten R. Hall, Franz-Josef Hambsch, Barbara Joachimczyk, Krzysztof Kotysz, Sebastian Kurowski, Alexios Liakos, Przemysław J. Mikołajczyk, Erika Pakštienė, Grzegorz Pojmański, Adam Popowicz, Daniel E. Reichart, Łukasz Wyrzykowski, Justas Zdanavičius, Michał Żejmo, Paweł Zieliński, Staszek Zola

Nadia L. Zakamska et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 8.

The individual kinematic components of τocc(λ) (light blue) and the overall fit (thick gray) to the photosphere-corrected Na D λ5889.950 line in the GHOST spectrum as a function of heliocentric velocity. As in other figures, the solid orange vertical line shows the centroid of the photospheric absorption lines expected at the Gaia RV, and the orange dashed line shows the centroid of the metal emission lines.

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