Table 3: Parameters of the least-squares fits of new double-mode HADS stars. For the stars in the lower part the 1O-mode has an amplitude larger than the F-mode.
BW2_V142 BW1_V207 GSC 04257-00471

Term Freq. Ampl. Phase Freq. Ampl. Phase Freq. Ampl. Phase

[d^-1] [mag] [rad] [d^-1] [mag] [rad] [d^-1] [mag] [rad]

f₁ 15.14210 0.145 4.84 11.68214 0.138 6.13 5.75378 0.082 1.82

$\pm$ .00002 $\pm$ .006 $\pm$ .04 $\pm$ .00001 $\pm$ .004 $\pm$ .03 $\pm$ .00008 $\pm$ .003 $\pm$ .04

f₂ 19.45340 0.070 2.28 15.09791 0.022 0.04 7.51404 0.033 1.41

$\pm$ .00005 $\pm$ .006 $\pm$ .08 $\pm$ .00008 $\pm$ .004 $\pm$ .17 $\pm$ .00024 $\pm$ .003 $\pm$ .10

2f₁ 0.047 0.80 0.049 3.88 0.027 1.55

f₁+f₂ 0.029 4.99 0.027 1.02

f₂-f₁ 0.035 0.24

Mean magnitude I = 17.842 $\pm$ .004 I = 17.852 $\pm$ .003 $R_{\rm NSVS}$ = 11.108 $\pm$ .002

Residual rms 0.042 mag 0.034 mag 0.040 mag

T₀ HJD 2 449 234.4035 HJD 2 449 249.8878 MJD 2 451 428.0670

N 120 171 309

GSC 06047-00749 HD 224852 GSC 03949-00811

Term Freq. Ampl. Phase Freq. Ampl. Phase Freq. Ampl. Phase

[d^-1] [mag] [rad] [d^-1] [mag] [rad] [d^-1] [mag] [rad]

f₁ 13.06908 0.101 2.86 8.191974 0.116 0.15 7.68763 0.094 1.84

$\pm$ .00001 $\pm$ .002 $\pm$ .02 $\pm$ .000006 $\pm$ .001 $\pm$ .01 $\pm$ .00007 $\pm$ .004 $\pm$ .04

f₂ 10.08286 0.082 2.18 6.335592 0.086 5.88 5.89097 0.074 4.58

$\pm$ .00001 $\pm$ .002 $\pm$ .03 $\pm$ .000005 $\pm$ .001 $\pm$ .01 $\pm$ .00009 $\pm$ .003 $\pm$ .05

2f₁ 0.019 3.71 0.026 4.94

f₁+f₂ 0.024 3.03 0.037 3.93 0.032 4.69

f₁-f₂ 0.022 3.53 0.022 0.51

2f₂ 0.017 3.16

3f₁ 0.008 2.48

2f₁+f₂ 0.009 0.75

2f₁-f₂ 0.009 1.45

f₁+2f₂ 0.007 1.54

Mean magnitude V = 12.012 $\pm$ .001 V = 10.131 $\pm$ .001 $R_{\rm NSVS}$ = 11.128 $\pm$ .003

Residual rms 0.030 mag 0.023 mag 0.034 mag

T₀ HJD 2 449 236.3120 HJD 2 453 221.7986 MJD 2 451 247.6966

N 670 1873 202

**Table 3:** Parameters of the least-squares fits of new double-mode HADS stars. For the stars in the lower part the 1O-mode has an amplitude larger than the F-mode.
		BW2_V142		BW1_V207		GSC 04257-00471
Term		Freq.	Ampl.	Phase		Freq.	Ampl.	Phase	Freq.	Ampl.	Phase
		[d^-1]	[mag]	[rad]		[d^-1]	[mag]	[rad]	[d^-1]	[mag]	[rad]
f₁		15.14210	0.145	4.84		11.68214	0.138	6.13	5.75378	0.082	1.82
		$\pm$ .00002	$\pm$ .006	$\pm$ .04		$\pm$ .00001	$\pm$ .004	$\pm$ .03	$\pm$ .00008	$\pm$ .003	$\pm$ .04
f₂		19.45340	0.070	2.28		15.09791	0.022	0.04	7.51404	0.033	1.41
		$\pm$ .00005	$\pm$ .006	$\pm$ .08		$\pm$ .00008	$\pm$ .004	$\pm$ .17	$\pm$ .00024	$\pm$ .003	$\pm$ .10
2f₁			0.047	0.80			0.049	3.88		0.027	1.55
f₁+f₂			0.029	4.99						0.027	1.02
f₂-f₁			0.035	0.24
Mean magnitude	I = 17.842 $\pm$ .004		I = 17.852 $\pm$ .003		$R_{\rm NSVS}$ = 11.108 $\pm$ .002
Residual rms	0.042 mag		0.034 mag		0.040 mag
T₀	HJD 2 449 234.4035		HJD 2 449 249.8878		MJD 2 451 428.0670
N	120		171		309
		GSC 06047-00749		HD 224852		GSC 03949-00811
Term		Freq.	Ampl.	Phase		Freq.	Ampl.	Phase	Freq.	Ampl.	Phase
		[d^-1]	[mag]	[rad]		[d^-1]	[mag]	[rad]	[d^-1]	[mag]	[rad]
f₁		13.06908	0.101	2.86		8.191974	0.116	0.15	7.68763	0.094	1.84
		$\pm$ .00001	$\pm$ .002	$\pm$ .02		$\pm$ .000006	$\pm$ .001	$\pm$ .01	$\pm$ .00007	$\pm$ .004	$\pm$ .04
f₂		10.08286	0.082	2.18		6.335592	0.086	5.88	5.89097	0.074	4.58
		$\pm$ .00001	$\pm$ .002	$\pm$ .03		$\pm$ .000005	$\pm$ .001	$\pm$ .01	$\pm$ .00009	$\pm$ .003	$\pm$ .05
2f₁			0.019	3.71			0.026	4.94
f₁+f₂			0.024	3.03			0.037	3.93		0.032	4.69
f₁-f₂							0.022	3.53		0.022	0.51
2f₂							0.017	3.16
3f₁							0.008	2.48
2f₁+f₂							0.009	0.75
2f₁-f₂							0.009	1.45
f₁+2f₂							0.007	1.54
Mean magnitude	V = 12.012 $\pm$ .001		V = 10.131 $\pm$ .001		$R_{\rm NSVS}$ = 11.128 $\pm$ .003
Residual rms	0.030 mag		0.023 mag		0.034 mag
T₀	HJD 2 449 236.3120		HJD 2 453 221.7986		MJD 2 451 247.6966
N	670		1873		202

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations
	3 Frequency analysis
	4 The other double-mode HADS stars
	5 Modelling the double-mode HADS stars
	6 Interpreting the Petersen diagram
	7 Conclusion
	References