WDSTOOL

Research and list editing of visual double stars

03470+4126 - STF443AB	Constellation : Per		AD 03h47min2.11sec / Dec +41°25min38.1sec
Components	Primary	Secondary	WDS data	WDS Notes
Magnitudes	8.20	8.82	Negleted : non	NNotes found in WDSNOT MEMO of WDS.,OOrbit, briefly described in WDSNOT MEMO and has entry in Orbit Catalog.,P100-year proper motion in right ascension and declination.
Proper Motion RA	+060	+059	Precise coordinates : oui	ORB6 Ephemeris 2025
Mouvement propre Dec	-124	-126	Spectre : K2V+K3V	Grade:4 Theta:56.9 Rho:6.732

Nb of observations : 156	Angle	Separation	Cross references (wds id) I \| P
First measure : 1822	40	8.200	A: HIP 17666 / HD 23439 / SAO 39100 / GC 4519 / ADS 2757 / AKG3+410397 / UCAC4 658-018825
Last measure : 2022	56.60	6.810
			B: HIP 17666 / SAO 39100 / GC 4519 / ADS 2757 / AKG3+410397 / UCAC4 658-018831
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.)
2015	56.70	7.000	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. : 4 PThe period (P), followed by code indicating units: "c" = centuries, "d" = days, "h" = hours, "m" = minutes, "y" = years. : 2275.519300 y \| aThe semi-major axis (a), followed by code indicating units: "a" = arcseconds, "m" = milliarcseconds, "u" = microarcseconds. : 22.78500 a \| iThe inclination (i), in degrees. : 85.4190 \| ΩThe node (Omega), in degrees. An identified ascending node is indicated by an asterisk following the value. : 37.6810 \| 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. : 1636.174300 y eThe eccentricity (e). : 0.826090 \| WThe longitude of periastron (w), in degrees, reckoned from the node as listed. : 282.7810 \| EquinoxEquinox, if any, to which the node refers. : system note Orbit note
2011	55.20	6.750
2007	55.00	7.000