HD 214220 (BD+56 2813): An eclipsing binary with its primary component at the end of the main sequence

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Table 1.

Observed minima epochs of HD 214220.

Year ^(a)	BTJD ^(b)	Precision ^(c)	Cycle	Eclipse
AD	[d]	[days]	number ^(d)	type ^(e)
2019.71	1745.2668	0.0008	0.7	2
2019.75	1759.4463	0.0008	1.0	1
2019.83	1788.4046	0.0008	1.7	2
2020.30	1960.9758	0.0008	5.7	2
2020.34	1975.1709	0.0008	6.0	1
2022.82	2881.1568	0.0008	27.0	1

Notes.

^(a)

The decimal AD year of the minimum.

^(b)

The barycentric TESS Julian date (BTJD) is the barycentric Julian date minus 2 457 000.

^(c)

The listed uncertainties are the precision of the Gauss fit method (see Sect. 2).

^(d)

The cycle number is calculated using Eq. (1).

^(e)

The eclipse type is 1 for a primary minimum and 2 for a secondary minimum.

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