02586+2408 BU 1173AB

 
 
02H 58M 35.99S +24 08' 01.7" P.A. 107.2 SEP 0.19 MAG 8.30,8.35 SP K0 DIST. 277.01 PC (903.61 L.Y.)
 
 
Coord 2000
02586+2408
Discov num
BU 1173
Comp
AB
Coord arcsec 2000
02 58 35.99 +24 08 01.7
Date first
1890
Date last
2008
Obs
70
Pa first
325
Pa last
100
P.A. Now (θ)
107.2°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.19"
Mag pri
8.30
Mag sec
8.35
delta mag (ΔM)
0.05
Spectral class
K0 (yellow-orange)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02586+2408 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 75666 02586+2408 BU 1173 AB 1890 2008 70 107 0.2 8.30 8.35 0.05 Y <===
Show 75666 02586+2408 BU 1173 AB,C 1890 2015 11 283 4.8 7.57 13.00 5.43
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
75666
HIP
13867
Tycho2
1782-01335-1
HD
18442
ADS
2246
BD
BD+23 392
Distance
277.01
Distance ly
903.61
last precise pa
99.7
last precise sep
0.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)296.96y± 69 Periastron (T)2029.02y± 3.1 Semi-major axis (a)0.377a± 0.001
Eccentricity (e)0.607± 0.058 Inclination (i)76.6°± 1.7 Longitude of periastron (ω)70.6°± 9.9
Node (Ω)105.5°± 2.7 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2008
label rho theta
2000 0.236 95.9
2001 0.236 96.5
2002 0.235 97.0
2003 0.235 97.6
2004 0.234 98.2
2005 0.232 98.8
2006 0.231 99.4
2007 0.229 100.0
2008 0.226 100.6
2009 0.224 101.2
2010 0.221 101.9
2011 0.217 102.5
2012 0.213 103.2
2013 0.209 103.9
2014 0.204 104.7
2015 0.199 105.4
2016 0.193 106.3
2017 0.186 107.2
2018 0.179 108.1
2019 0.171 109.1
2020 0.162 110.3
2021 0.153 111.6
2022 0.143 113.0
2023 0.133 114.7
2024 0.121 116.7
2025 0.109 119.0
2026 0.097 122.0
2027 0.084 125.9
2028 0.072 131.2
2029 0.059 138.7
2030 0.048 149.9

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