Table 3. Open in new tab Summary of...

Instrument	Year	v_rad	N_obs	p −value
HIRES^a	2013	42.1 ± 0.8	4	0.068
IDS	2015	42.2 ± 5.2	6	0.378
Blue Channel	2016	47.7 ± 3.5	4	0.801
UVES	2017	36.6 ± 0.7	8	0.177
ISIS	2018	34.8 ± 4.2	13	0.996
GRACES	2019	35.1 ± 0.8	12	0.646

Instrument	Year	v_rad	N_obs	p −value
HIRES^a	2013	42.1 ± 0.8	4	0.068
IDS	2015	42.2 ± 5.2	6	0.378
Blue Channel	2016	47.7 ± 3.5	4	0.801
UVES	2017	36.6 ± 0.7	8	0.177
ISIS	2018	34.8 ± 4.2	13	0.996
GRACES	2019	35.1 ± 0.8	12	0.646

Table 3.

Summary of radial velocity measurements for PG 0010 + 281.

Instrument	Year	v_rad	N_obs	p −value
		(km s⁻¹)
HIRES^a	2013	42.1 ± 0.8	4	0.068
IDS	2015	42.2 ± 5.2	6	0.378
Blue Channel	2016	47.7 ± 3.5	4	0.801
UVES	2017	36.6 ± 0.7	8	0.177
ISIS	2018	34.8 ± 4.2	13	0.996
GRACES	2019	35.1 ± 0.8	12	0.646

Instrument	Year	v_rad	N_obs	p −value
		(km s⁻¹)
HIRES^a	2013	42.1 ± 0.8	4	0.068
IDS	2015	42.2 ± 5.2	6	0.378
Blue Channel	2016	47.7 ± 3.5	4	0.801
UVES	2017	36.6 ± 0.7	8	0.177
ISIS	2018	34.8 ± 4.2	13	0.996
GRACES	2019	35.1 ± 0.8	12	0.646

^a Wavelength calibration and science frames not taken concurrently.

The p − value gives the likelihood the measurements are consistent with a single star with a constant radial velocity given by the weighted mean. A value p < 0.0027 indicates that the star is binary at 3σ confidence.

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