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Table 1.
X-ray observations log.
| Satellite | ObsID | Start Date | Exposure (a) |
|---|---|---|---|
| (ks) | |||
| XMM-Newton | 0112840201 | 2003 Jan 15 | 20.9 |
| Chandra | 3932 | 2003 Aug 07 | 48.0 |
| XMM-Newton | 0212480801 | 2005 Jul 1 | 49.2 |
| XMM-Newton | 0303420101 | 2006 May 20 | 54.1 |
| XMM-Newton | 0303420201 | 2006 May 24 | 36.8 |
| Chandra(†) | 13813 | 2012 Sep 9 | 179.2 |
| Chandra(†) | 13812 | 2012 Sep 12 | 157.5 |
| Chandra(†) | 15496 | 2012 Sep 19 | 41.0 |
| Chandra(†) | 13814 | 2012 Sep 20 | 189.9 |
| Chandra(†) | 13815 | 2012 Sep 23 | 67.2 |
| Chandra | 13816 | 2012 Sep 26 | 73.1 |
| XMM-Newton | 0824450901 | 2018 May 13 | 78.0 |
| XMM-Newton | 0830191401 | 2018 May 25 | 98.0 |
| XMM-Newton | 0830191501 | 2018 Jun 13 | 63.0 |
| XMM-Newton | 0830191601 | 2018 Jun 15 | 63.0 |
| NuSTAR | 60501023002 | 2019 Jul 10 | 162.0 |
| XMM-Newton | 0852030101 | 2019 Jul 12 | 77.0 |
| Chandra | 23472 | 2020 Oct 13 | 33.6 |
| Chandra | 23474 | 2020 Dec 21 | 36.1 |
| Chandra | 23475 | 2021 Jan 28 | 34.5 |
| Chandra | 23476 | 2021 Mar 1 | 34.4 |
| Chandra | 23479 | 2021 Jun 7 | 35.0 |
| Chandra | 23480 | 2021 Jul 13 | 34.5 |
| XMM-Newton(†) | 0883550101 (b) | 2021 Nov 22 | 130.4 |
| XMM-Newton(†) | 0883550201 (b) | 2021 Nov 24 | 130.2 |
| XMM-Newton(†) | 0883550301 (b) | 2022 Jan 7 | 131.4 |
Notes. Log of XMM-Newton and Chandra observations of M51 ULX-7 analysed in this work.
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