Radial velocity homogeneous analysis of M dwarfs observed with HARPS - II. Detection limits and planetary occurrence statistics

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Volume 700 (August 2025)

A&A, 700 (2025) A146

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Table 2

Occurrence rates.

Planetary mass range [M_⊕]	Occurrence Parameters	Period range [d]
Planetary mass range [M_⊕]	Occurrence Parameters	1.6-10	10-100	100-1000	1000-10000
	f_p	<0.5%	${0.5}_{- 0.1}^{+ 1.2} %$ $\rm 0.5^{+1.2}_{-0.1} \%$	${0.6}_{- 0.2}^{+ 1.2} %$ $\rm 0.6^{+1.2}_{-0.2} \%$	${3.0}_{- 0.8}^{+ 2.0} %$ $\rm 3.0^{+2.0}_{-0.8} \%$
316-3162	n_d	0	1	1	5
316-3162	N_eff′	−	190	175	164
	N_eff	197	191	185	162
	f_p	<0.5%	${0.5}_{- 0.1}^{+ 1.2} %$ $\rm 0.5^{+1.2}_{-0.1} \%$	${1.4}_{- 0.4}^{+ 1.9} %$ $\rm 1.4^{+1.9}_{-0.4} \%$	${1.5}_{- 0.5}^{+ 1.9} %$ $\rm 1.5^{+1.9}_{-0.5} \%$
31.6-316	nd	0	1	2	2
31.6-316	N_eff′	−	189	137	132
	N_eff	188	178	141	86
	f_p	${14.5}_{- 3.1}^{+ 4.9} %$ $\rm 14.5^{+4.9}_{-3.1} \%$	${27.9}_{- 5.8}^{+ 8.9} %$ $\rm 27.9^{+8.9}_{-5.8} \%$	${17.7}_{- 4.0}^{+ 6.1} %$ $\rm 17.7^{+6.1}_{-4.0} \%$	−
3.2-31.6	n_d	12	12	8	−
3.2-31.6	N_eff′	83	42	52	−
	N_eff	115	73	35	13
	f_p	${120.1}_{- 23.6}^{+ 24.8} %$ $\rm 120.1^{+24.8}_{-23.6} \%$	−	−	−
0.3-3.2	n_d	10	−	−	−
0.3-3.2	N_eff′	8	−	−	−
	N_eff	14	−	−	−

Notes. Planetary occurrences rates (f_p) in percent as function of period and planetary mass domain probed. n_d is the number of detections in the domain, where N_eff is the number of accessible targets.

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