01246+4310 A 3001 (HD 8425)

 
 
01h 24m 39.75s +43° 10' 09.9" P.A. 89.00 sep 0.7 mag 10.92,11.05 Sp dK8 dist. 206.61 pc (673.96 l.y.)
 
 
Coord 2000 01246+4310 Discov num A  3001 Comp Coord arcsec 2000 01 24 39.75 +43 10 09.9
Date first 1917 Date last 2016 Obs 13
Pa first 252 Pa last 89.1 P.A. Now (θ) 89.1°
Sep first 0.7 Sep last 0.69 Sep. Now (ρ) 0.69"
Mag pri 10.92 Mag sec 11.05 delta mag (ΔM) 0.13 Spectral class dK8
Pri motion ra -056 Sec motion ra
Pri motion dec +087 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 8425 Constellation Andromeda HIP 6583 Tycho2 3670-00049-1
Gaia DR2 396626696346619520 HD 8425 ADS 1120 BD BD+42 294
Distance 206.61 Distance ly 673.96
 
 
ORBITAL ELEMENTS
 
 
Period (P)159.6y± 13.1 Periastron (T)1979.32± 0.91 Semi-major axis (a)0.577a± 0.043
Eccentricity (e)0.94± 0 Inclination (i)127.4°± 5.9 Longitude of periastron (ω)243.8°± 4.9
Node (Ω)128.6°± 5.7 Notes ReferenceTok2024a
Equinox2000 Last observation2016 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 95.6 0.545
2001 95.1 0.556
2002 94.6 0.568
2003 94.1 0.579
2004 93.7 0.590
2005 93.2 0.600
2006 92.8 0.610
2007 92.4 0.619
2008 92.0 0.628
2009 91.6 0.637
2010 91.2 0.646
2011 90.8 0.654
2012 90.5 0.661
2013 90.1 0.669
2014 89.8 0.676
2015 89.4 0.683
2016 89.1 0.690
2017 88.8 0.696
2018 88.5 0.703
2019 88.2 0.708
2020 87.9 0.714
2021 87.5 0.720
2022 87.3 0.725
2023 87.0 0.730
2024 86.7 0.735
2025 86.4 0.739
2026 86.1 0.743
2027 85.8 0.748
2028 85.5 0.752
2029 85.3 0.755
2030 85.0 0.759
2031 84.7 0.762
2032 84.5 0.765
2033 84.2 0.768
2034 83.9 0.771
2035 83.7 0.774
2036 83.4 0.776
2037 83.2 0.778
2038 82.9 0.780
2039 82.6 0.782
2040 82.4 0.784
2041 82.1 0.785
2042 81.9 0.787
2043 81.6 0.788
2044 81.4 0.789
2045 81.1 0.790
2046 80.9 0.791
2047 80.6 0.791
2048 80.4 0.791
2049 80.1 0.792
2050 79.9 0.792


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds01246%2B4310a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic