Double mode RR Lyrae stars in Omega Centauri | Astronomy & Astrophysics (A&A)

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Volume 494 / No 2 (February I 2009)

A&A, 494 2 (2009) L17-L20

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Table 1:

Pulsation frequencies of V10, V350, V81, V87, V105 and V19.
Star	P₁ [day]	P₂ [day]	P₂/P₁	A₁ [mag]	A₂ [mag]	$\sigma$ [mag]
V10 1st sol.	0.3749759(5)	0.299176(9)	0.79785	0.1831(4)	0.0067(4)	0.0071
V10 2nd sol.	0.3749758(5)	0.230126(6)	0.61371	0.1825(5)	0.0064(5)	0.0074
V350 1st sol.	0.3791074(3)	0.230632(5)	0.60836	0.2126(6)	0.0062(6)	0.011
V350 2nd sol.	0.3791077(4)	0.303810(9)	0.80138	0.2117(6)	0.0058(6)	0.011
V350 3rd sol.	0.3749758(5)	0.230126(6)	0.61371	0.1825(5)	0.0064(5)	0.011
V81 1st sol.	0.3893907(3)	0.238990(4)	0.61375	0.2214(5)	0.0072(5)	0.010
V81 2nd sol.	0.3893907(3)	0.314313(7)	0.80719	0.2217(5)	0.0065(6)	0.010
V87 1st sol.	0.3964889(3)	0.246584(4)	0.62192	0.2314(6)	0.0063(5)	0.010
V87 2nd sol.	0.3964884(3)	0.320542(8)	0.80845	0.2322(6)	0.0055(6)	0.010
V105	0.3353278(2)	0.205811(2)	0.61376	0.2465(6)	0.0125(6)	0.010
V19	0.2995510(2)	0.183302(2)	0.61192	0.2279(5)	0.0071(5)	0.010

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