Rotation periods for cool stars in the open cluster Ruprecht 147 (NGC 6774) - Implications for gyrochronology

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Table 2.

Periodicity and related information for the 32 sample stars.

Epic	(G_BP − G_RP)₀	(B − V)₀^(a)	P	ΔP	Components	Category	Flag ^(b)	Final sample ^(c)
	[mag]	[mag]	[d]	[d]
218933140	0.87	0.69	20.4	2.5	9	1	MS	Yes
219037489	0.99	0.80	22.8	1.5	6	1	MS	Yes
219141523	2.27	1.50	26.9	1.8	4	1	MS	Yes
219238231	0.78	0.61	28.1	0.9	3	2	MS	No

219275512	0.88	0.70	20.4	0.5	6	2	BIN	No
219280168	1.15	0.95	23.0	0.8	5	1	MS	Yes
219297228	1.13	0.93	23.1	0.4	6	1	MS	Yes
219306354	0.98	0.79	22.8	0.8	5	1	MS	Yes

219333882	1.16	0.95	11.6 ^(f)	0.5	11	2	MS	No
219341906	0.75	0.58	1.6	0.1	14	1	TO	No
219353203	2.1	1.48	21.6	0.7	5	1	MS	Yes
219388192	0.86	0.69	12.5	0.2	8	1	MS ^(d)	Yes

219404735	0.79	0.62	24.4	1.1	5	1	BIN	No
219409830	0.83	0.66	9.6	0.4	7	2	MS	No
219422386	1.01	0.81	22.6	1.3	5	1	MS	Yes
219479319	1.6	1.31	20.1	0.7	4	1	MS	Yes

219489683	1.78	1.40	19.0	0.5	5	1	MS	Yes
219515762	0.57	0.43	5.7	0.1	8	1	TO ^(e)	No
219545563	0.93	0.75	22.2	1.6	4	1	MS	Yes
219551103	1.0	0.81	22.0	1.8	5	1	MS	Yes

219566703	1.51	1.25	23.2	1.5	5	1	MS	Yes
219610232	1.17	0.97	5.6	0.2	5	1	BIN	No
219610822	1.11	0.91	23.1	1.5	5	1	MS	Yes
219619241	2.11	1.48	22.1	1.5	5	1	MS	Yes

219634222	1.29	1.08	27.3	3.5	5	1	MS	Yes
219646472	0.61	0.47	22.1	2.0	3	1	TO	No
219683737	1.07	0.88	21.7	1.0	5	1	MS	Yes
219721519	1.1	0.90	21.9	1.5	2	1	MS	Yes

219722212	0.94	0.75	22.7	2.1	5	1	MS	Yes
219722781	1.39	1.16	21.4	0.5	7	1	MS	Yes
219755108	0.94	0.76	29.4	0.5	4	1	BIN	No
219800881	0.9	0.72	32.7	8.1 ^(f)	5	2	MS	No

Notes.

^(a)

Calculated from (G_BP − G_RP)₀ with our derived transformation.

^(b)

MS = Main sequence, TO = Turn-off, BIN = (possible) binary?

^(c)

Star used for detailed comparison in Sects. 5 and 6.

^(d)

Spectroscopic binary (G+M star) and eclipsing Brown Dwarf companion (e.g. Beatty et al. 2018).

^(e)

Suspicious proper motions, cf. Fig. 2, and only mentioned in Cu13, cf. Table C.1, thus likely not a member.

^(f)

Ambiguity in the matching of visible spot features. This table is available in electronic form at the CDS.

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