No UV-bright Eruptions from SN 2023ixf in GALEX Imaging 15-20 Years Before Explosion
We analyze pre-explosion ultraviolet (UV) imaging of the nearby Type II supernova SN 2023ixf in search of precursor variability. No outbursts are seen in observations obtained 15-20 yr prior to explosion to a limit of $L_{NUV} \approx 1000~L_{sun}$ and $L_{NUV} \approx 2000~L_{sun}$. The time period...
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| creator | Flinner, Nicholas Tucker, Michael A Beacom, John F Shappee, Benjamin J |
| description | We analyze pre-explosion ultraviolet (UV) imaging of the nearby Type II
supernova SN 2023ixf in search of precursor variability. No outbursts are seen
in observations obtained 15-20 yr prior to explosion to a limit of $L_{NUV}
\approx 1000~L_{sun}$ and $L_{NUV} \approx 2000~L_{sun}$. The time period of
these non-detections roughly corresponds to changes in the circumstellar
density inferred from early spectra and photometry. |
| doi_str_mv | 10.48550/arxiv.2308.08403 |
| format | Article |
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supernova SN 2023ixf in search of precursor variability. No outbursts are seen
in observations obtained 15-20 yr prior to explosion to a limit of $L_{NUV}
\approx 1000~L_{sun}$ and $L_{NUV} \approx 2000~L_{sun}$. The time period of
these non-detections roughly corresponds to changes in the circumstellar
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supernova SN 2023ixf in search of precursor variability. No outbursts are seen
in observations obtained 15-20 yr prior to explosion to a limit of $L_{NUV}
\approx 1000~L_{sun}$ and $L_{NUV} \approx 2000~L_{sun}$. The time period of
these non-detections roughly corresponds to changes in the circumstellar
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supernova SN 2023ixf in search of precursor variability. No outbursts are seen
in observations obtained 15-20 yr prior to explosion to a limit of $L_{NUV}
\approx 1000~L_{sun}$ and $L_{NUV} \approx 2000~L_{sun}$. The time period of
these non-detections roughly corresponds to changes in the circumstellar
density inferred from early spectra and photometry.</abstract><doi>10.48550/arxiv.2308.08403</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - High Energy Astrophysical Phenomena Physics - Solar and Stellar Astrophysics |
| title | No UV-bright Eruptions from SN 2023ixf in GALEX Imaging 15-20 Years Before Explosion |
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