03413+4554 BU 1181 CF

 
 
03h 41m 15.89s +45° 53' 45.0" P.A. 88.00 sep 0.1 mag 8.20,9.90 Sp F8 dist. 50.43 pc (164.5 l.y.)
 
 
Coord 2000 03413+4554 Discov num BU 1181 Comp CF Coord arcsec 2000 03 41 15.89 +45 53 45.0
Date first 1890 Date last 2012 Obs 29
Pa first 91 Pa last 88.1 P.A. Now (θ) 90°
Sep first 0.4 Sep last 0.119 Sep. Now (ρ) 0.125"
Mag pri 8.20 Mag sec 9.90 delta mag (ΔM) 1.7 Spectral class F8 (yellow-white)
Pri motion ra -053 Sec motion ra -051
Pri motion dec +005 Sec motion dec +005
Notes N O W (See Notes, Orbital solution, )
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
03413+4554 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 39041 03 41 16 +45 53 45 BU 1181 CF 2012 29 88 0.1 8.20 9.90 1.70 Y <===
Show 39041 03 41 16 +45 53 45 RAO 48 CG 2016 7 269 4.8 8.03 14.00 5.97
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 39041 HIP 17217 Tycho2 3313-02379-1
HD 22743 ADS 2680 BD BD+45 798 Distance 50.43
Distance ly 164.5
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier03413+4554 BU 1181 AB
coord_arcsec_2000034115.89+455345.0
Period (P)46.2y± 1.1 Periastron (T)1974.8y± 1.7 Semi-major axis (a)0.27a± 0.13
Eccentricity (e)0.79± 0.76 Inclination (i)90.3°± 3.6 Longitude of periastron (ω)50.1°± 9
Node (Ω)269.9°± 4.5 Notesn ReferenceRAO2015
Equinox2000 Last observation2012 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 89.5 0.288
2001 89.5 0.275
2002 89.5 0.262
2003 89.4 0.248
2004 89.4 0.234
2005 89.4 0.218
2006 89.3 0.201
2007 89.3 0.184
2008 89.2 0.165
2009 89.1 0.146
2010 89.0 0.126
2011 88.9 0.106
2012 88.7 0.084
2013 88.3 0.062
2014 87.6 0.039
2015 84.7 0.016
2016 279.5 0.008
2017 272.0 0.031
2018 270.9 0.053
2019 270.4 0.071
2020 270.1 0.077
2021 269.5 0.036
2022 90.3 0.055
2023 90.0 0.125
2024 89.9 0.175
2025 89.9 0.214
2026 89.9 0.245
2027 89.8 0.270
2028 89.8 0.290
2029 89.8 0.306
2030 89.8 0.320


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



 
 


wds03413%2B4554a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic