A Positive Period Derivative in the Quasiperiodic Eruptions of ZTF19acnskyy
We report the first direct measurement of the period derivative in a quasiperiodic eruption (QPE), finding a smoothly increasing period with $\dot{P}\approx (1.7\pm 0.02)\times 1{0}^{-2}$ day day ^−1 in the source ZTF19acnskyy/“Ansky.” Most models for QPEs invoke repeated interactions of a stellar-m...
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| Autores principales: | , , , , , , , , , , , , |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
IOP Publishing
2026-01-01
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| Colección: | The Astrophysical Journal Letters |
| Materias: | |
| Acceso en línea: | https://doi.org/10.3847/2041-8213/ae548b |
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