09094+2203 WRH 16 AB (Nahn)

 
 
09h 09m 21.53s +22 02' 43.6" P.A. 108.00 sep 0.2 mag 5.70,6.20 Sp K0III dist. 114.42 pc (373.24 l.y.)
 
 
Coord 2000 09094+2203 Discov num WRH  16 Comp AB Coord arcsec 2000 09 09 21.53 +22 02 43.6
Date first 1937 Date last 1944 Obs 2
Pa first 62 Pa last 108 P.A. Now (θ) 108°
Sep first 0.3 Sep last 0.15 Sep. Now (ρ) 0.15"
Mag pri 5.70 Mag sec 6.20 delta mag (ΔM) 0.5 Spectral class K0III (yellow-orange)
Pri motion ra +001 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
09094+2203 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Nahn 80666 09 09 22 +22 02 44 WRH 16 AB 1944 2 108 0.2 5.70 6.20 0.50 Y <===
Show 80666 09 09 22 +22 02 44 WRH 16 AC 2011 1 8 2.2 5.70
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Nahn Constellation Cancer SAO 80666 HIP 44946
Tycho2 1407-01989-1 HD 78515 HR 3627 GC 12635
BD BD+22 2061 Bayer Xi Cancri Bayer name Xi Cnc Flamsteed 77 Cancri
Flamsteed name 77 Cnc FK5 1239 Distance 114.42 Distance ly 373.24
Bayer greek ξ Cnc
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier09094+2203 WRH 16
coord_arcsec_2000090921.53+220243.6
Period (P)1700.7d (4.66y) Periastron (T)28876.8d (1937.938y) Semi-major axis (a)10.5m± 1.7
Eccentricity (e)0.06 Inclination (i)144.1°± 4.9 Longitude of periastron (ω)301.1°
Node (Ω)282°± 9.7 Notesn ReferenceJnc2005
Equinox Last observation1992 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 221.7 0.009
2001-01-01 141.1 0.010
2002-01-01 79.5 0.010
2003-01-01 347.8 0.008
2004-01-01 269.7 0.010
2005-01-01 192.5 0.009
2006-01-01 119.4 0.011
2007-01-01 53.5 0.009
2008-01-01 316.2 0.009
2009-01-01 245.9 0.010
2010-01-01 163.9 0.009
2011-01-01 99.1 0.011
2012-01-01 20.6 0.008
2013-01-01 290.6 0.010
2014-01-01 219.2 0.009
2015-01-01 139.0 0.010
2016-01-01 77.4 0.010
2017-01-01 344.7 0.008
2018-01-01 267.6 0.010
2019-01-01 189.8 0.009
2020-01-01 117.6 0.011
2021-01-01 50.9 0.009
2022-01-01 313.7 0.009
2023-01-01 243.7 0.010
2024-01-01 161.4 0.009
2025-01-01 97.3 0.011
2026-01-01 17.4 0.008
2027-01-01 288.5 0.010
2028-01-01 216.6 0.009
2029-01-01 137.0 0.010
2030-01-01 75.3 0.010


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds09094%2B2203r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic