WDSTOOL

Research and list editing of visual double stars

17564+1820 - MCA49Aa,Ab	Constellation : Her		AD 17h56min24.41sec / Dec +18°19min37.1sec
Composants	Primary	Secondary	WDS data	WDS Notes
Magnitudes	7.60	8.40	Negleted : non	NNotes found in WDSNOT MEMO of WDS.
Proper Motion RA	+002	-	Precise coordinates : oui
Mouvement propre Dec	-012	-	Spectre : A0III

Nb d'observation : 27	Angle	Separation	Cross references (wds id) I \| P
First measure : 1979	58	0.100	Aa: UCAC4 542-066091
Last measure : 2023	285.50	0.108	Aa: UCAC4 542-066091
			Ab:
Measurement history (InformationThis historical is indicative. It is incomplete and may contain errors. It is built as and when updates to WDSTOOL and does not take into account any subsequent modifications to WDS.)			Ab:
2022	281.60	0.111
2019	286.30	0.113
2017	99.60	0.103
2015	95.70	0.102
2009	95.00	0.102

17564+1820 - STF2245BA	Constellation : Her		AD 17h56min24.24sec / Dec +18°19min38.1sec
Composants	Primary	Secondary	WDS data	WDS Notes
Magnitudes	7.43	7.55	Negleted : non	NNotes found in WDSNOT MEMO of WDS.,VProper motion or other technique indicates that this pair is physical.
Proper Motion RA	+002	-002	Precise coordinates : oui
Mouvement propre Dec	-011	-012	Spectre : A0III

Nb d'observation : 205	Angle	Separation	Cross references (wds id) I \| P
First measure : 1828	116	2.100	B: HIP 87823 / ADS 10905 / UCAC4 542-066088
Last measure : 2022	112.40	2.665	B: HIP 87823 / ADS 10905 / UCAC4 542-066088
			A: HIP 87823 / HD 163640 / SAO 103227 / GC 24401 / ADS 10905 / AKG3+181627 / UCAC4 542-066091
Measurement history (InformationThis historical is indicative. It is incomplete and may contain errors. It is built as and when updates to WDSTOOL and does not take into account any subsequent modifications to WDS.)
2019	112.00	2.672
2018	112.10	2.690
2017	111.30	2.543
2016	111.10	2.537
2015	111.80	2.683
2013	111.00	2.683
2012	110.00	2.600