22546+1054 HDS 3257 (HD 216674)

 
 
22h 54m 37.10s +10° 53' 52.8" P.A. 85.00 sep 0.1 mag 8.90,9.69 Sp F2 dist. 160.26 pc (522.77 l.y.)
 
 
Coord 2000 22546+1054 Discov num HDS3257 Comp Coord arcsec 2000 22 54 37.10 +10 53 52.8
Date first 1991 Date last 2017 Obs 7
Pa first 35 Pa last 84.5 P.A. Now (θ) 84.5°
Sep first 0.2 Sep last 0.128 Sep. Now (ρ) 0.128"
Mag pri 8.90 Mag sec 9.69 delta mag (ΔM) 0.79 Spectral class F2 (yellow-white)
Pri motion ra +021 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 216674 Constellation Pegasus SAO 108245 HIP 113134
Tycho2 1156-01899-1 Gaia DR2 2718150528076517888 HD 216674 BD BD+10 4844
Distance 160.26 Distance ly 522.77
 
 
ORBITAL ELEMENTS
 
 
Period (P)249.14y± 99.01 Periastron (T)2007y± 45.27 Semi-major axis (a)0.344a± 0.255
Eccentricity (e)0.415± 0.361 Inclination (i)67.1°± 26 Longitude of periastron (ω)20.9°± 122.6
Node (Ω)51.2°± 18.4 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 49.1 0.207
2001 50.5 0.206
2002 51.9 0.204
2003 53.4 0.203
2004 54.9 0.200
2005 56.4 0.197
2006 58.0 0.194
2007 59.7 0.190
2008 61.4 0.186
2009 63.2 0.181
2010 65.1 0.176
2011 67.1 0.171
2012 69.2 0.165
2013 71.5 0.159
2014 74.0 0.153
2015 76.7 0.147
2016 79.7 0.140
2017 82.9 0.134
2018 86.4 0.128
2019 90.3 0.122
2020 94.6 0.116
2021 99.3 0.111
2022 104.4 0.106
2023 110.0 0.102
2024 116.0 0.099
2025 122.3 0.097
2026 128.9 0.096
2027 135.5 0.096
2028 142.0 0.097
2029 148.4 0.099
2030 154.4 0.102


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



 
 


wds22546%2B1054a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic