WDSTOOL

Research and list editing of visual double stars

11152+7329 - STT539AC	Constellation : Dra		AD 11h15min11.91sec / Dec +73°28min30.7sec
Components	Primary	Secondary	WDS data	WDS Notes
Magnitudes	7.77	11.34	Negleted : non	NNotes found in WDSNOT MEMO of WDS.,OOrbit, briefly described in WDSNOT MEMO and has entry in Orbit Catalog.
Proper Motion RA	-402	-404	Precise coordinates : oui	ORB6 Ephemeris 2025
Mouvement propre Dec	+110	+112	Spectre : K5	Grade:5 Theta:329.0 Rho:6.389

Nb of observations : 72	Angle	Separation	Cross references (wds id) I \| P
First measure : 1858	292	8.000	A: UCAC4 818-017836
Last measure : 2021	329.30	6.540	A: UCAC4 818-017836
			C: HIP 54952 / ADS 8100 / UCAC4 818-017834
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: HIP 54952 / ADS 8100 / UCAC4 818-017834
2017	328.50	6.500	Plot, orbital elements and data Sixth Catalog of Orbits of Visual Binary Stars data. DateDate of the last observation used in the orbit calculation, if published. : 2015 \| GradeThe grade (to nearest integer), as previously discussed. : 5 PThe period (P), followed by code indicating units: "c" = centuries, "d" = days, "h" = hours, "m" = minutes, "y" = years. : 2774.534400 y \| aThe semi-major axis (a), followed by code indicating units: "a" = arcseconds, "m" = milliarcseconds, "u" = microarcseconds. : 26.17200 a \| iThe inclination (i), in degrees. : 78.2160 \| ΩThe node (Omega), in degrees. An identified ascending node is indicated by an asterisk following the value. : 87.5830 \| TThe time of periastron passage (T), followed by code indicating units: "d" = Julian date, with first two digits truncated (i.e., JD-2400000), "m" = modified Julian date (JD-2400000.5), "y" = fractional Besselian year. : 1664.935500 y eThe eccentricity (e). : 0.824670 \| WThe longitude of periastron (w), in degrees, reckoned from the node as listed. : 115.9530 \| EquinoxEquinox, if any, to which the node refers. : system note Orbit note
2011	325.50	6.540
2003	323.00	6.500