Hubble reveals complex multi-scale structure in the edge-on protoplanetary disk IRAS 23077+6707
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| Format: | Preprint |
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2025
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| author | Monsch, Kristina Lovell, Joshua B. Stapelfeldt, Karl R. Andrews, Sean M. Bayyari, Ammar Booth, Alice S. Carvalho, Adolfo S. Debes, John H. Drake, Jeremy J. Earley, Joshua W. J. Garraffo, Cecilia Keating, Garrett K. Sitko, Michael L. Wilner, David J. |
| author_facet | Monsch, Kristina Lovell, Joshua B. Stapelfeldt, Karl R. Andrews, Sean M. Bayyari, Ammar Booth, Alice S. Carvalho, Adolfo S. Debes, John H. Drake, Jeremy J. Earley, Joshua W. J. Garraffo, Cecilia Keating, Garrett K. Sitko, Michael L. Wilner, David J. |
| contents | We present high-resolution ($\lesssim 0.1''$) Hubble Space Telescope (HST)/Wide Field Camera 3 (WFC3) imaging of the near edge-on ($i{\sim}80^\circ$) protoplanetary disk IRAS 23077+6707 ("Dracula's Chivito") obtained across six broadband filters spanning $0.4-1.6\,μ$m. These observations unveil the scattered light from this unusually large disk (${\sim}14''$, or ${\sim}4200\,\mathrm{au}$ at $300\,\mathrm{pc}$) in remarkable detail, revealing a rich tapestry of substructures, including brightness asymmetries and signatures of dynamical activity. Extended filaments are detected extending ${\sim}10''$ from the northern edges of both nebulae, while no comparable southern features are observed. In addition to large-scale asymmetries, the disk exhibits prominent wispy features that extend well above the midplane and are visible in all filters, suggesting a complex, possibly turbulent outer disk atmosphere shaped by infall, dynamical stirring, or gravitational instability. The central dark lane narrows from optical to near-IR wavelengths, and high-resolution millimeter data reveal compact midplane emission. Although our radiative transfer simulations show that the current data cannot yet distinguish between dust settling and no-settling scenarios, they underscore the need for resolved mid-infrared observations of this unique system. IRAS 23077+6707 thus represents a rare and valuable laboratory for studying the vertical structure, asymmetries, and evolutionary state of protoplanetary disks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_11819 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Hubble reveals complex multi-scale structure in the edge-on protoplanetary disk IRAS 23077+6707 Monsch, Kristina Lovell, Joshua B. Stapelfeldt, Karl R. Andrews, Sean M. Bayyari, Ammar Booth, Alice S. Carvalho, Adolfo S. Debes, John H. Drake, Jeremy J. Earley, Joshua W. J. Garraffo, Cecilia Keating, Garrett K. Sitko, Michael L. Wilner, David J. Earth and Planetary Astrophysics Solar and Stellar Astrophysics We present high-resolution ($\lesssim 0.1''$) Hubble Space Telescope (HST)/Wide Field Camera 3 (WFC3) imaging of the near edge-on ($i{\sim}80^\circ$) protoplanetary disk IRAS 23077+6707 ("Dracula's Chivito") obtained across six broadband filters spanning $0.4-1.6\,μ$m. These observations unveil the scattered light from this unusually large disk (${\sim}14''$, or ${\sim}4200\,\mathrm{au}$ at $300\,\mathrm{pc}$) in remarkable detail, revealing a rich tapestry of substructures, including brightness asymmetries and signatures of dynamical activity. Extended filaments are detected extending ${\sim}10''$ from the northern edges of both nebulae, while no comparable southern features are observed. In addition to large-scale asymmetries, the disk exhibits prominent wispy features that extend well above the midplane and are visible in all filters, suggesting a complex, possibly turbulent outer disk atmosphere shaped by infall, dynamical stirring, or gravitational instability. The central dark lane narrows from optical to near-IR wavelengths, and high-resolution millimeter data reveal compact midplane emission. Although our radiative transfer simulations show that the current data cannot yet distinguish between dust settling and no-settling scenarios, they underscore the need for resolved mid-infrared observations of this unique system. IRAS 23077+6707 thus represents a rare and valuable laboratory for studying the vertical structure, asymmetries, and evolutionary state of protoplanetary disks. |
| title | Hubble reveals complex multi-scale structure in the edge-on protoplanetary disk IRAS 23077+6707 |
| topic | Earth and Planetary Astrophysics Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2510.11819 |