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Table 1

Available long-term photometric observations of HN Lib.

Instrument Date Filter t(a) Nobs(b) rms(c)
Begin End (d) (ppt)
ASAS-3 24 December 2000 13 September 2009 V 3185 446 24.60
SuperWASP 28 February 2010 26 July 2010 400–700nm 147 86 3.23
ASAS-SN     27 February 2012 10 July 2018 V 2324 97 23.29
22 June 2013 23 May 2018 1796 111 19.46
25 June 2014 28 August 2018 1525 115 40.24
10 July 2014 28 August 2018 1510 129 15.96
MEarth-tell4  28 May 2017 9 June 2017 RG715 11 8 3.72
1 July 2017 8 July 2017 6 4 5.32
28 August 2017 8 September 2017 10 11 4.33
4 June 2019 27 February 2022 999 265 4.80
MEarth-tel15 11 June 2017 21 June 2017 9 7 2.46
30 June 2017 30 June 2017 0 1 0.98
13 July 2019 16 March 2020 246 70 4.10
OSN-T90        10 May 2018 5 June 2019 R 391 49 8.68
10 May 2018 5 June 2019 V 391 48 9.00
TJO 9 January 2019 9 March 2020 R 424 102 8.44

Notes. (a) Time-span of the observations. (b) Binned nightly. (c) Root mean square in parts-per-thousand. Data sets that were not used for the photometric rotational period determination are indicated by a dagger.

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