WDSTOOL

Research and list editing of visual double stars

09174+2339 - STF1332	Constellation : Cnc		AD 09h17min19.21sec / Dec +23°39min9.8sec
Components	Primary	Secondary	WDS data	WDS Notes
Magnitudes	7.87	8.12	Negleted : non	OOrbit, briefly described in WDSNOT MEMO and has entry in Orbit Catalog.
Proper Motion RA	-046	-046	Precise coordinates : oui	ORB6 Ephemeris 2025
Mouvement propre Dec	-067	-067	Spectre : F6V+F7V	Grade:4 Theta:29.8 Rho:5.903

Nb of observations : 146	Angle	Separation	Cross references (wds id) I \| P
First measure : 1822	14	5.500	Pri: HIP 45574 / HD 79872 / SAO 80739 / GC 12805 / ADS 7281 / UCAC4 569-045593
Last measure : 2021	29.20	5.971
			Sec: HIP 45574 / ADS 7281 / UCAC4 569-045595
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.)			Sec: HIP 45574 / ADS 7281 / UCAC4 569-045595
2019	29.40	5.933	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. : 3395.218000 y \| aThe semi-major axis (a), followed by code indicating units: "a" = arcseconds, "m" = milliarcseconds, "u" = microarcseconds. : 9.86670 a \| iThe inclination (i), in degrees. : 69.4680 \| ΩThe node (Omega), in degrees. An identified ascending node is indicated by an asterisk following the value. : 172.4680 \| 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. : 1500.756100 y eThe eccentricity (e). : 0.786320 \| WThe longitude of periastron (w), in degrees, reckoned from the node as listed. : 97.5880 \| EquinoxEquinox, if any, to which the node refers. : Orbit note
2015	29.10	5.927
2011	29.00	6.100
2011	29.00	5.800