07167+1609 HDS 1007 (HD 56200)

 
 
07h 16m 44.54s +16° 08' 49.4" P.A. 194.00 sep 0.1 mag 7.10,8.56 Sp F4II dist. 54.98 pc (179.34 l.y.)
 
 
Coord 2000 07167+1609 Discov num HDS1007 Comp Coord arcsec 2000 07 16 44.54 +16 08 49.4
Date first 1991 Date last 2021 Obs 16
Pa first 169 Pa last 193.5 P.A. Now (θ) 220.1°
Sep first 0.1 Sep last 0.077 Sep. Now (ρ) 0.046"
Mag pri 7.10 Mag sec 8.56 delta mag (ΔM) 1.46 Spectral class F4II (yellow-white)
Pri motion ra -006 Sec motion ra
Pri motion dec +022 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 56200 Constellation Gemini SAO 96712 HIP 35219
Tycho2 1346-00759-1 Gaia DR2 3168123703240376448 HD 56200 GC 9654
BD BD+16 1433 Distance 54.98 Distance ly 179.34
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.22y± 0.29 Periastron (T)2014.51y± 0.13 Semi-major axis (a)0.228a± 0.002
Eccentricity (e)0.319± 0.011 Inclination (i)81.9°± 0.6 Longitude of periastron (ω)126.5°± 2.3
Node (Ω)345.4°± 0.4 Notes ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 333.5 0.171
2001 336.1 0.198
2002 338.1 0.222
2003 339.7 0.241
2004 341.2 0.255
2005 342.5 0.263
2006 343.8 0.263
2007 345.1 0.256
2008 346.5 0.240
2009 348.2 0.214
2010 350.5 0.177
2011 354.3 0.130
2012 3.5 0.074
2013 65.0 0.023
2014 147.3 0.065
2015 158.5 0.119
2016 163.1 0.157
2017 166.2 0.175
2018 169.1 0.175
2019 172.2 0.161
2020 176.2 0.137
2021 182.2 0.107
2022 193.4 0.074
2023 220.1 0.046
2024 274.0 0.041
2025 308.3 0.066
2026 322.0 0.099
2027 328.7 0.132
2028 332.8 0.164
2029 335.6 0.193
2030 337.7 0.217


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



 
 


wds07167%2B1609a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic