Magnetic activity in the HARPS M dwarf sample - The rotation-activity relationship for very low-mass stars through R'HK

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Volume 600 (April 2017)

A&A, 600 (2017) A13

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Table A.3

Median values for C_cf and for R_phot for M dwarfs.

Name	N	B−V	I−K	V−K	BC_υ	log C_cf	log (R_phot)

Gl 1	28	1.48	1.900	4.030	–1.278	–1.089	–5.529
Gl 191	3	1.56	1.807	3.767	–1.492	–1.161	–5.436
Gl 205	34	1.47	2.010	4.080	–1.698	–1.145	–5.454
Gl 229	7	1.50	1.960	3.970	–1.487	–1.121	–5.374
Gl 393	3	1.51	2.075	4.315	–1.888	–1.235	–5.497
Gl 551	17	1.90	3.080	6.730	–3.808	–2.338	–6.117
Gl 581	50	1.60	2.200	4.710	–2.283	–1.385	–5.654
Gl 588	4	1.53	2.147	4.527	–1.864	–1.331	–5.654
Gl 628	10	1.58	2.301	4.981	–2.064	–1.431	–5.691
Gl 674	38	1.53	2.101	4.480	–2.049	–1.326	–5.628
Gl 699	3	1.73	2.260	5.040	–2.392	–1.558	–5.750
Gl 849	17	1.50	2.262	4.762	–2.357	–1.329	–5.687
Gl 876	17	1.58	2.416	5.146	–3.808	–1.447	–5.803
Gl 887	31	1.50	1.940	3.960	–1.402	–1.131	–5.410

Notes. N is the number of spectra satisfying restrictions described in Sect. 4. C_cf values are derived from Eq. (8); R_phot is obtained with Eqs. (2)–(4), and (9) V−K relation after the reversal Ca II H and K emission was replaced by the corresponding BT-Settl spectrum.

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