
| Proposal ID | 084374 |
| Title | Mind the (Luminosity) Gap: Inside SNe 2017egm 2016eay |
| Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0843740101 |
| DOI | https://doi.org/10.5270/esa-1fc6q2e |
| Principal Investigator, PI | Prof Ryan Chornock |
| Abstract | We propose deep late-time observations with XMM-Newton of two of the nearestknown superluminous supernovae (SLSNe), 2017egm and 2016eay, to perform afocused test of the popular model for the power source of hydrogen-poor SLSNethat relies on the spindown energy of rapidly rotating newly born magnetars. Ourprevious late-time observation of the SLSN 2015bn with XMM-Newton resulted in anon-detection, indicating that less than 2% of the inferred spindown energy ofthe magnetar was being emitted at UVOIR or X-ray wavelengths at late times,identifying a missing energy problem. We seek to test whether this is a genericproblem by performing late-time XMM-Newton observations of these two objects bymeasuring the luminosity of X-rays escaping the ejecta at ages of 2-3 years. |
| Publications |
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| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2019-05-16T01:12:13Z/2019-05-16T10:22:13Z |
| Version | 21.51_20241115_1113 |
| Mission Description | The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations. Since Earths atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis. |
| Creator Contact | https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk |
| Date Published | 2020-07-08T22:00:00Z |
| Last Update | 2026-07-09 |
| Keywords | "spindown energy", "born magnetar", "xmm newton resulted", "deep late time", "XMM-Newton", "xray wavelengths", "power source", "late time", "popular model", "XMM", "missing energy", "slsn 2015bn", "inferred spindown energy", "focused test", "xmm newton", "superluminous supernova slsne" |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Prof Ryan Chornock, 2020, 'Mind the (Luminosity) Gap: Inside SNe 2017egm 2016eay', 21.51_20241115_1113, European Space Agency, https://doi.org/10.5270/esa-1fc6q2e |
| Rights | Data hosted in the ESA Space Science Archives are distributed under the CC BY-NC 3.0 IGO license. |