22146+2934 STF 2881 (HD 211139)

 
 
22h 14m 34.67s +29° 34' 20.6" P.A. 76.00 sep 1.3 mag 7.65,8.24 Sp F6III dist. 171.53 pc (559.53 l.y.)
 
 
Coord 2000 22146+2934 Discov num STF2881 Comp Coord arcsec 2000 22 14 34.67 +29 34 20.6
Date first 1825 Date last 2017 Obs 274
Pa first 111 Pa last 75.6 P.A. Now (θ) 75.6°
Sep first 1.8 Sep last 1.29 Sep. Now (ρ) 1.29"
Mag pri 7.65 Mag sec 8.24 delta mag (ΔM) 0.59 Spectral class F6III (yellow-white)
Pri motion ra +029 Sec motion ra +029
Pri motion dec -032 Sec motion dec -032
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 211139 Constellation Pegasus SAO 90348 HIP 109815
Tycho2 2217-00435-1 Gaia DR2 1894958610587711232 HD 211139 GC 31118
ADS 15769 BD BD+28 4327 Distance 171.53 Distance ly 559.53
 
 
ORBITAL ELEMENTS
 
 
Period (P)1345.3304y± 630.0929 Periastron (T)1764.5067y± 21.0447 Semi-major axis (a)4.07325a± 1.98442
Eccentricity (e)0.82377± 0.13205 Inclination (i)100.17°± 4.715 Longitude of periastron (ω)285.332°± 13.759
Node (Ω)121.211°± 3.793 Notes ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 76.6 1.264
2001 76.3 1.261
2002 76.1 1.258
2003 75.8 1.256
2004 75.5 1.253
2005 75.2 1.250
2006 74.9 1.247
2007 74.6 1.244
2008 74.4 1.241
2009 74.1 1.239
2010 73.8 1.236
2011 73.5 1.233
2012 73.2 1.231
2013 72.9 1.228
2014 72.6 1.225
2015 72.3 1.223
2016 72.0 1.220
2017 71.7 1.217
2018 71.4 1.215
2019 71.1 1.212
2020 70.8 1.210
2021 70.5 1.207
2022 70.2 1.205
2023 69.9 1.202
2024 69.6 1.200
2025 69.3 1.197
2026 69.0 1.195
2027 68.6 1.193
2028 68.3 1.190
2029 68.0 1.188
2030 67.7 1.186


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



 
 


wds22146%2B2934a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic