The Araucaria project. Precise physical parameters of the eclipsing binary IO Aquarii

D. Graczyk; P. F. L. Maxted; G. Pietrzyński; B. Pilecki; P. Konorski; W. Gieren; J. Storm; A. Gallenne; R. I. Anderson; K. Suchomska; R. G. West; D. Pollacco; F. Faedi; G. Pojmański

doi:10.1051/0004-6361/201526211

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Volume 581 (September 2015)

A&A, 581 (2015) A106

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Table 5

Observed magnitudes of the system IO Aqr.

Band		Ref.	IO Aqr
	total(err.)		primary	secondary	third body


B	9.315(31)	3	10.145	10.001	15.92^a
V	8.834(22)	1	9.685	9.506	14.63^a
R	8.540(45)	4, 5	9.403	9.209	13.81^a
I	8.254(19)	1	9.128	8.919	13.14^b
J _2MASS	7.830(29)	2	8.726	8.494	12.13^b
K _2MASS	7.555(33)	2	8.474	8.222	11.36^b

Notes.

^(a)

Estimated from spectra.

^(b)

Assuming spectral type K6 V.

Reference. Source: 1 – this work (ASAS); 2 – Cutri et al. (2003); 3 – Høg et al. (2000) (Tycho-2); 4 – Pickles & Depagne (2010); 5 – Zacharias et al. (2004) (NOMAD).

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