Searching for λ Boo stars in binary systems | Astronomy & Astrophysics (A&A)

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Table 1

Visual binary systems that include a λ Boo star component (the first star listed), identified with Gaia eDR3 data.

Binary	Star	V	α	δ	μ_α	μ_δ	π	Sep.	Sep.
number	name		J2016.0	J2016.0	(mas/yr)	(mas/yr)	(mas)	(")	(au)
1	HD 112948	9.35	13 0 42.78	−36 9 5.83	−27.528	−2.159	2.719	24.38	8967.79
	Gaia DR3 6154835886339634304		13 0 44.58	−36 9 16.56	−27.447	−2.160	2.769
2	HD 91130	5.91	10 31 51.40	+32 22 46.53	16.652	7.876	12.101	38.87	3211.74
	Gaia DR3 748463991961311488		10 31 48.36	+32 22 41.11	16.302	8.891	12.187
3	HD 107233	7.36	12 19 55.73	−48 18 59.76	50.923	−17.777	12.379	15.02	1213.63
	Gaia DR3 6130179235015300096		12 19 54.22	−48 18 58.99	50.085	−18.487	12.332
4	HD 319	5.92	0 7 46.98	−22 30 31.37	68.586	−35.437	11.690	1.84	157.43
	HD 319B		0 7 47.06	−22 30 32.87	69.557	−26.724	11.399
5	HD 153747	7.42	17 2 53.84	−38 27 36.60	7.488	13.836	5.647	322.64	57 131.24
	TYC 7869-2003-1	11.84	17 2 38.75	−38 23 7.05	7.604	13.963	5.627
6	HD 168740	6.12	18 25 31.63	−63 1 19.17	−0.017	−102.405	14.056	65.11	4631.9
	Gaia DR3 6630272406475726592		18 25 40.04	−63 1 50.19	−0.193	−104.575	14.086
7	HD 198160	6.21	20 51 38.70	−62 25 46.34	82.885	−47.171	13.599	2.44	179.57
	HD 198161		20 51 39.05	−62 25 45.93	82.063	−42.345	13.625
8	HD 46722	9.29	6 33 46.53	−27 57 21.84	−18.649	0.201	4.590	40.55	8833.78
	Gaia DR3 2895732444923489408		6 33 49.46	−27 57 10.07	−18.687	0.199	4.573
9	HD 168947	8.11	18 24 30.07	−44 11 56.67	8.242	0.875	3.872	104.64	27 022.47
	Gaia DR3 6721717074879155840		18 24 22.47	−44 10 51.32	8.286	0.511	3.815
10	HD 40588	6.19	6 1 10.02	+31 2 4.27	−20.388	0.307	13.342	29.91	2241.98
	Gaia DR3 3449874691731245184		6 1 8.07	+31 1 47.90	−21.721	−0.135	13.468
11	HD 75654	6.36	8 49 52.27	−39 8 29.12	−63.354	40.784	13.914	284.08	20 417.17
	Gaia DR3 5525846343983205376		8 50 7.45	−39 4 46.68	−62.674	40.545	13.941
12	HD 87304	9.49	10 3 23.43	−33 41 2.58	−19.776	0.833	2.204	6.97	3160.67
	CD-33 6615B	12.60	10 3 23.05	−33 40 57.41	−19.808	0.824	2.165
13	HD 98069	8.16	11 16 44.62	−3 56 34.57	−0.435	−4.224	3.420	55.24	16 148.71
	UCAC4 431-054639	11.18	11 16 48.07	−3 56 54.40	−0.331	−4.303	3.286
14	HD 94390	8.96	10 53 7.81	−44 49 13.53	−15.059	−1.990	3.737	7.98	2136.26
	Gaia DR3 5387858145792881152		10 53 8.56	−44 49 14.24	−14.327	−2.293	3.713
15	HD 162193	8.66	17 53 33.95	−59 42 25.73	1.441	−15.944	3.549	15.28	4305.24
	Gaia DR3 5917808942063785088		17 53 34.53	−59 42 40.36	1.896	−15.852	3.569
16	HD 223352	4.57	23 48 55.67	−28 7 50.68	99.435	−106.240	22.730	74.71	3287.04
	HD 223340	9.28	23 48 50.61	−28 7 17.35	96.589	−105.274	22.682
17	HD 94326	7.76	10 52 33.30	−46 13 1.95	−24.595	8.099	3.426	40.31	11 766.79
	Gaia DR3 5363470118895488512		10 52 32.35	−46 13 41.04	−24.233	8.412	3.563
18	BD-15 4515	9.97	17 19 12.91	−15 54 37.47	4.679	0.519	3.064	62.43	20 374.60
	Gaia DR3 4136170951949470464		17 19 10.80	−15 55 31.96	4.725	0.211	3.028
19	HD 34799	8.23	5 18 46.06	−28 52 20.98	3.349	−15.314	4.291	20.72	4829.66
	Gaia DR3 2954518486936209792		5 18 45.12	−28 52 4.34	3.262	−15.948	4.150

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