Mean angular diameters, distances, and pulsation modes of the classical Cepheids FF Aquilae and T Vulpeculae - CHARA/FLUOR near-infrared interferometric observations

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Volume 541 (May 2012)

A&A, 541 (2012) A87

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Table 1

Calibrated squared visibility measurements of FF Aql.

Star	MJD	φ	B	PA	V² ± σ
			(m)	(°)

FF Aql	55 352.404	0.36	318.98	25.1	0.2940 ± 0.0205
	55 352.433	0.36	312.70	19.3	0.3958 ± 0.0244
	55 353.431	0.58	273.78	–44.0	0.4774 ± 0.0151
	55 355.436	0.03	310.34	16.7	0.3584 ± 0.0126
	55 366.374	0.48	218.94	62.9	0.6192 ± 0.0175
	55 779.257	0.83	314.15	20.7	0.3839 ± 0.0095
	55 781.254	0.27	309.83	72.1	0.3535 ± 0.0120
	55 782.317	0.51	230.92	0.1	0.5813 ± 0.0159
	55 784.287	0.95	278.37	–48.7	0.4678 ± 0.0200
	55 786.266	0.40	308.46	14.4	0.3506 ± 0.0136
	55 786.290	0.40	304.97	8.7	0.3807 ± 0.0144
	55 790.230	0.28	249.54	76.0	0.5141 ± 0.0126

T Vul	55 779.439	0.25	322.81	–4.4	0.5905 ± 0.0227
	55 779.461	0.25	323.82	–9.6	0.6059 ± 0.0210
	55 779.487	0.25	325.80	–15.7	0.6148 ± 0.0222
	55 780.445	0.48	323.12	–6.4	0.5279 ± 0.0294
	55 780.496	0.48	326.81	18.2	0.5335 ± 0.0257
	55 781.403	0.69	283.61	55.9	0.6252 ± 0.0172
	55 781.423	0.69	270.23	50.3	0.7054 ± 0.0213
	55 782.479	0.93	246.61	–18.3	0.7524 ± 0.0211
	55 784.382	0.36	274.57	–51.5	0.6772 ± 0.0332
	55 787.478	0.06	326.91	–18.5	0.6241 ± 0.0256

Notes. MJD is the date of the observations (modified Julian date), φ the phase of pulsation, B the telescope projected separation, PA the baseline projection angle, and V² the squared visibility.

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