WDSTOOL

Research and list editing of visual double stars

21506+2216 - HO467AB	Constellation : Peg		AD 21h50min37.14sec / Dec +22°15min31sec
Components	Primary	Secondary	WDS data	WDS Notes
Magnitudes	8.10	10.30	Negleted : non	LLinear solution. Linear elements for this pair have been determined. Linear Elements Catalog is currently under devlopement.,NNotes found in WDSNOT MEMO of WDS.,SStatistically different parallax and proper motion indicates that this pair is non-physical.
Proper Motion RA	+019	+004	Precise coordinates : oui	ORB6 Ephemeris 2025
Mouvement propre Dec	-011	-018	Spectre : K2	Grade:5 Theta:224.7 Rho:2.869

Nb of observations : 33	Angle	Separation	Cross references (wds id) I \| P
First measure : 1893	182	1.000	A: HD 207731 / SAO 90048 / ADS 15373 / AKG3+222364 / UCAC4 562-133143
Last measure : 2016	222.00	2.903
			B: ADS 15373 /
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.)			B: ADS 15373 /
2010	220.50	2.579	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. : 2010 \| 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. : 1227.767700 y \| aThe semi-major axis (a), followed by code indicating units: "a" = arcseconds, "m" = milliarcseconds, "u" = microarcseconds. : 6.74270 a \| iThe inclination (i), in degrees. : 71.2980 \| ΩThe node (Omega), in degrees. An identified ascending node is indicated by an asterisk following the value. : 110.1740 \| 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. : 1855.477100 y eThe eccentricity (e). : 0.959650 \| WThe longitude of periastron (w), in degrees, reckoned from the node as listed. : 291.3140 \| EquinoxEquinox, if any, to which the node refers. : Orbit note