01024+0504 HDS 135AB

 
 
01H 02M 24.56S +05 03' 41.2" P.A. 69.7 SEP 0.75 MAG 8.49,10.07 SP K2+K8 DIST. 21.14 PC (68.96 L.Y.)
 
 
Coord 2000
01024+0504
Discov num
HDS 135
Comp
AB
Coord arcsec 2000
01 02 24.56 +05 03 41.2
Date first
1991
Date last
2014
Obs
31
Pa first
62
Pa last
75
P.A. Now (θ)
69.7°
Sep first
0.7
Sep last
0.8
Sep. Now (ρ)
0.75"
Mag pri
8.49
Mag sec
10.07
delta mag (ΔM)
1.58
Spectral class
K2+K8 (yellow-orange/yellow-orange)
Pri motion ra
+323
Sec motion ra
+322
Pri motion dec
+226
Sec motion dec
+226
Notes
N O (See Notes, Orbital solution)
rPM=0.003 (< 0.3, Physical double)
This double is physical.
 
 
01024+0504 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 01024+0504 HDS 135 AB 1991 2014 31 70 0.8 8.49 10.07 1.58 Y <===
Show 01024+0504 WNO 50 AC 1993 2000 4 88 999.9 8.49 14.10 5.61
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
HIP
4849
Tycho2
0025-01005-1
HD
6101
GL
NN 3071
BD
BD+04 158
Distance
21.14
Distance ly
68.96
last precise pa
75.3
last precise sep
0.759
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.23y± 0.17 Periastron (T)2002.69y± 0.01 Semi-major axis (a)0.461a± 0.002
Eccentricity (e)0.671± 0.002 Inclination (i)144.8°± 0.7 Longitude of periastron (ω)22.1°± 1.2
Node (Ω)268.6°± 1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.293 3.1
2001 0.225 338.1
2002 0.173 294.9
2003 0.143 226.0
2004 0.195 160.4
2005 0.293 131.5
2006 0.386 117.1
2007 0.466 108.0
2008 0.534 101.4
2009 0.590 96.2
2010 0.637 91.9
2011 0.675 88.1
2012 0.705 84.6
2013 0.727 81.4
2014 0.743 78.4
2015 0.752 75.5
2016 0.754 72.6
2017 0.751 69.7
2018 0.741 66.7
2019 0.726 63.7
2020 0.704 60.5
2021 0.677 57.0
2022 0.643 53.3
2023 0.603 49.0
2024 0.557 44.2
2025 0.504 38.3
2026 0.445 31.0
2027 0.379 21.3
2028 0.309 7.3
2029 0.240 345.1
2030 0.183 306.9

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