00583+2124 BU 302 (HD 5641)

 
 
00h 58m 18.89s +21 24' 16.2" P.A. 231.00 sep 0.3 mag 6.60,8.77 Sp A2V dist. 129.7 pc (423.08 l.y.)
 
 
Coord 2000 00583+2124 Discov num BU  302 Comp Coord arcsec 2000 00 58 18.89 +21 24 16.2
Date first 1875 Date last 2017 Obs 127
Pa first 94 Pa last 230.8 P.A. Now (θ) 230.8°
Sep first 0.7 Sep last 0.3 Sep. Now (ρ) 0.3"
Mag pri 6.60 Mag sec 8.77 delta mag (ΔM) 2.17 Spectral class A2V (white)
Pri motion ra -013 Sec motion ra -013
Pri motion dec -001 Sec motion dec -001
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5641 Constellation Pisces SAO 74402 HIP 4558
Tycho2 1195-01109-1 Gaia DR2 2789889882217773568 HD 5641 HR 277
GC 1160 ADS 805 BD BD+20 131 Distance 129.7
Distance ly 423.08
 
 
ORBITAL ELEMENTS
 
 
Period (P)331.97y± 3.33 Periastron (T)2017.54y± 2.99 Semi-major axis (a)0.651a± 0.046
Eccentricity (e)0.665± 0.028 Inclination (i)48.1°± 1.2 Longitude of periastron (ω)252.2°± 3.7
Node (Ω)17.2°± 2.2 Notes ReferenceCve2006e
Equinox2000 Last observation1999 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 186.5 0.347
2001 188.5 0.339
2002 190.5 0.330
2003 192.7 0.321
2004 195.0 0.311
2005 197.5 0.301
2006 200.1 0.290
2007 202.9 0.279
2008 206.0 0.267
2009 209.4 0.255
2010 213.1 0.242
2011 217.2 0.229
2012 221.9 0.216
2013 227.1 0.202
2014 233.1 0.190
2015 239.9 0.177
2016 247.7 0.167
2017 256.4 0.158
2018 266.1 0.151
2019 276.3 0.148
2020 286.8 0.148
2021 297.0 0.152
2022 306.5 0.159
2023 315.0 0.169
2024 322.5 0.181
2025 329.0 0.194
2026 334.7 0.208
2027 339.6 0.223
2028 343.9 0.239
2029 347.7 0.254
2030 351.1 0.269


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



 
 


wds00583%2B2124b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic