03339-3105 B 52 (HD 22262)

03h 33m 56.81s -31° 04' 49.1" P.A. 315.00 sep 0.2 mag 6.69,7.63 Sp F5V dist. 41.77 pc (136.25 l.y.)

Coord 2000 03339-3105 Discov num B    52 Comp Coord arcsec 2000 03 33 56.81 -31 04 49.1
Date first 1926 Date last 2020 Obs 62
Pa first 311 Pa last 315.2 P.A. Now (θ) 318.6°
Sep first 0.2 Sep last 0.155 Sep. Now (ρ) 0.254"
Mag pri 6.69 Mag sec 7.63 delta mag (ΔM) 0.94 Spectral class F5V (yellow-white)
Pri motion ra -026 Sec motion ra
Pri motion dec +059 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 22262 Constellation Fornax SAO 194375 HIP 16628
Tycho2 7021-01149-1 Gaia DR2 5055726331925367168 HD 22262 HR 1093
GC 4266 CD CD-31 1450 CP CP-31 412 Distance 41.77
Distance ly 136.25




ORBITAL ELEMENTS

Period (P)19.408y± 0.045 Periastron (T)2016.226y± 0.076 Semi-major axis (a)0.222a± 0.001
Eccentricity (e)0.355± 0.002 Inclination (i)85.1°± 0.2 Longitude of periastron (ω)3.4°± 1.6
Node (Ω)140.9°± 0.2 Notesn ReferenceTok2021c
Equinox2000 Last observation2021 Grade2(1=Definitive, 9=Indet.)

label theta rho
2000 301.4 0.051
2001 312.9 0.122
2002 316.1 0.183
2003 317.8 0.231
2004 319.0 0.267
2005 319.9 0.290
2006 320.8 0.300
2007 321.6 0.297
2008 322.4 0.282
2009 323.5 0.255
2010 324.8 0.215
2011 326.8 0.163
2012 331.2 0.101
2013 353.5 0.033
2014 123.3 0.049
2015 136.1 0.112
2016 140.4 0.143
2017 144.3 0.122
2018 153.5 0.062
2019 276.2 0.024
2020 310.3 0.094
2021 315.1 0.159
2022 317.2 0.213
2023 318.6 0.254
2024 319.6 0.282
2025 320.4 0.298
2026 321.2 0.300
2027 322.1 0.290
2028 323.0 0.267
2029 324.2 0.233
2030 325.9 0.186


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



 
 


wds03339-3105c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic