NEOWISE-R Caught the Luminous SN 2023ixf in Messier 101
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arXiv
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| Natura: | Preprint |
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2024
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| author | Van Dyk, Schuyler D. Szalai, Tamas Cutri, Roc M. Kirkpatrick, J. Davy Grillmair, Carl J. Fajardo-Acosta, Sergio B. Masiero, Joseph R. Mainzer, Amy K. Gelino, Christopher R. Vinko, Jozsef Joo, Andras Peter Pal, Andras Konyves-Toth, Reka Kriskovics, Levente Szakats, Robert Vida, Krisztian Zheng, WeiKang Brink, Thomas G. Filippenko, Alexei V. |
| author_facet | Van Dyk, Schuyler D. Szalai, Tamas Cutri, Roc M. Kirkpatrick, J. Davy Grillmair, Carl J. Fajardo-Acosta, Sergio B. Masiero, Joseph R. Mainzer, Amy K. Gelino, Christopher R. Vinko, Jozsef Joo, Andras Peter Pal, Andras Konyves-Toth, Reka Kriskovics, Levente Szakats, Robert Vida, Krisztian Zheng, WeiKang Brink, Thomas G. Filippenko, Alexei V. |
| contents | The reactivated Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE-R) serendipitously caught the Type II supernova SN 2023ixf in Messier 101 on the rise, starting day 3.6 through day 10.9, and on the late-time decline from days 211 through 213 and days 370 through 372. We have considered these mid-infrared (mid-IR) data together with observations from the ultraviolet (UV) through the near-IR, when possible. At day 3.6 we approximated the optical emission with a hot, ~26,630 K blackbody, with a notable UV excess likely from strong SN shock interaction with circumstellar matter (CSM). In the IR, however, a clear excess is also obvious, and we fit it with a cooler, ~1,620 K blackbody with radius of ~2.6 x 10^{15} cm, consistent with dust in the progenitor's circumstellar shell likely heated by the UV emission from the CSM interaction. On day 10.8, the light detected was consistent with SN ejecta-dominated emission. At late times we also observed a clear NEOWISE-R excess, which could arise either from newly formed dust in the inner ejecta or in the contact discontinuity between the forward and reverse shocks, or from more distant pre-existing dust grains in the SN environment. Furthermore, the large 4.6 micron excess at late times can also be explained by the emergence of the carbon monoxide 1--0 vibrational band. SN 2023ixf is the best-observed SN IIP in the mid-IR during the first several days after explosion and one of the most luminous such SNe ever seen. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_18005 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | NEOWISE-R Caught the Luminous SN 2023ixf in Messier 101 Van Dyk, Schuyler D. Szalai, Tamas Cutri, Roc M. Kirkpatrick, J. Davy Grillmair, Carl J. Fajardo-Acosta, Sergio B. Masiero, Joseph R. Mainzer, Amy K. Gelino, Christopher R. Vinko, Jozsef Joo, Andras Peter Pal, Andras Konyves-Toth, Reka Kriskovics, Levente Szakats, Robert Vida, Krisztian Zheng, WeiKang Brink, Thomas G. Filippenko, Alexei V. Solar and Stellar Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena The reactivated Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE-R) serendipitously caught the Type II supernova SN 2023ixf in Messier 101 on the rise, starting day 3.6 through day 10.9, and on the late-time decline from days 211 through 213 and days 370 through 372. We have considered these mid-infrared (mid-IR) data together with observations from the ultraviolet (UV) through the near-IR, when possible. At day 3.6 we approximated the optical emission with a hot, ~26,630 K blackbody, with a notable UV excess likely from strong SN shock interaction with circumstellar matter (CSM). In the IR, however, a clear excess is also obvious, and we fit it with a cooler, ~1,620 K blackbody with radius of ~2.6 x 10^{15} cm, consistent with dust in the progenitor's circumstellar shell likely heated by the UV emission from the CSM interaction. On day 10.8, the light detected was consistent with SN ejecta-dominated emission. At late times we also observed a clear NEOWISE-R excess, which could arise either from newly formed dust in the inner ejecta or in the contact discontinuity between the forward and reverse shocks, or from more distant pre-existing dust grains in the SN environment. Furthermore, the large 4.6 micron excess at late times can also be explained by the emergence of the carbon monoxide 1--0 vibrational band. SN 2023ixf is the best-observed SN IIP in the mid-IR during the first several days after explosion and one of the most luminous such SNe ever seen. |
| title | NEOWISE-R Caught the Luminous SN 2023ixf in Messier 101 |
| topic | Solar and Stellar Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2406.18005 |