WDSTOOL

Research and list editing of visual double stars

20023+6438 - STTA200AB	Constellation : Dra		AD 20h02min20.16sec / Dec +64°38min3.8sec
Composants	Primary	Secondary	WDS data	WDS Notes
Magnitudes	6.36	8.06	Negleted : non	NNotes found in WDSNOT MEMO of WDS.,TStatistically the same parallax within the errors and similar proper motion or other technique indicates that this pair is physical.
Proper Motion RA	+042	+042	Precise coordinates : oui
Mouvement propre Dec	+012	+011	Spectre : G7III:

Nb d'observation : 27	Angle	Separation	Cross references (wds id) I \| P
First measure : 1875	338	96.700	A: HIP 98658 / HD 190713 / SAO 18669 / HR 7682 / GC 27829 / BDS 9907 / AKG3+640958 / UCAC4 774-042244
Last measure : 2018	332.30	98.939
			B: HIP 98647 / HD 190696 / SAO 18667 / GC 27823 / BDS 9907 / AKG3+640957 / UCAC4 774-042235
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.)
2017	332.30	99.300
2003	332.90	99.030

20023+6438 - STTA200AC	Constellation : Dra		AD 20h02min20.16sec / Dec +64°38min3.8sec
Composants	Primary	Secondary	WDS data	WDS Notes
Magnitudes	6.36	11.70	Negleted : non	NNotes found in WDSNOT MEMO of WDS.
Proper Motion RA	+042	-	Precise coordinates : oui
Mouvement propre Dec	+012	-	Spectre : G7III:

Nb d'observation : 8	Angle	Separation	Cross references (wds id) I \| P
First measure : 1905	192	26.700	A: HIP 98658 / HD 190713 / SAO 18669 / HR 7682 / GC 27829 / BDS 9907 / AKG3+640958 / UCAC4 774-042244
Last measure : 2018	190.10	26.967
			C: UCAC4 774-042242
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.)			C: UCAC4 774-042242
2015	190.10	27.009
2013	189.80	26.628
2003	190.40	26.434
2000	190.00	27.000
1960	191.00	32.200