Considering the incidence rate of RR Lyrae stars with non-radial modes

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Table 1

Incidence rates of RR_0.61 stars from the literature.

System	Incidence rate	$N_{{RR}_{0.61}}$ ${{\rm{N}}_{{\rm{R}}{{\rm{R}}_{0.61}}}}$	Reference
Galactic bulge (OGLE-III)	5.6%	145	Netzel et al. (2015b)
Galactic bulge (2 fields of OGLE-IV)	27%	131	Netzel et al. (2015c)
Galactic bulge (OGLE-IV)	8.3%	949	Netzel & Smolec (2019)
Pisces K2	75%	3	Molnár et al. (2015)
TESS (first-light results)	65%	20	Molnár et al. (2022)
TESS	72%	456	Benkő et al. (2023)
Kepler field	100%	4	Moskalik et al. (2015)
Kepler field (Kepler Pixel Project)	100%	6	Forró et al. (2022)
K2	62%	452	Netzel et al. (2023)
M80 (K2)	62.5%	5	Molnár et al. (2023)
NGC 5897 (K2)	11%	1	Kalup et al. (in prep.)
M3	38%	14	Jurcsik et al. (2015)
NGC 6362	63%	10	Smolec et al. (2017b)

Notes. Consecutive columns provide the stellar system (and the particular study), derived incidence rate, the total number of identified RR_0.61 stars, and the reference for the study.

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