03413+4554 BU 1181AB

 
 
03H 41M 15.89S +45 53' 45.0" P.A. 272 SEP 0.03 MAG 8.20,9.90 SP F8 DIST. 50.43 PC (164.5 L.Y.)
 
 
Coord 2000
03413+4554
Discov num
BU 1181
Comp
AB
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
P.A. Now (θ)
272°
Sep first
0.4
Sep last
0.1
Sep. Now (ρ)
0.03"
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 (See Notes, Orbital solution)
rPM=0.038 (< 0.3, Physical double)
This double is physical.
 
 
03413+4554 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 39041 03413+4554 BU 1181 AB 1890 2012 29 272 0.0 8.20 9.90 1.70 Y <===
Show 39041 03413+4554 RAO 48 AC 2009 2013 3 269 4.8 8.03 14.00 5.97
Triple system
3 visible 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
last precise pa
88.1
last precise sep
0.119
 
 
ORBITAL ELEMENTS
 
 
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 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.288 89.5
2001 0.275 89.5
2002 0.262 89.5
2003 0.248 89.4
2004 0.234 89.4
2005 0.218 89.4
2006 0.201 89.3
2007 0.184 89.3
2008 0.165 89.2
2009 0.146 89.1
2010 0.126 89.0
2011 0.106 88.9
2012 0.084 88.7
2013 0.062 88.3
2014 0.039 87.6
2015 0.016 84.7
2016 0.008 279.5
2017 0.031 272.0
2018 0.053 270.9
2019 0.071 270.4
2020 0.077 270.1
2021 0.036 269.5
2022 0.055 90.3
2023 0.125 90.0
2024 0.175 89.9
2025 0.214 89.9
2026 0.245 89.9
2027 0.270 89.8
2028 0.290 89.8
2029 0.306 89.8
2030 0.320 89.8

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic