22045+1551 BU 696 AB

 
 
22h 04m 30.12s +15° 51' 28.6" P.A. 174.00 sep 0.2 mag 7.95,9.63 Sp G0V dist. 93.37 pc (304.57 l.y.)
 
 
Coord 2000 22045+1551 Discov num BU  696 Comp AB Coord arcsec 2000 22 04 30.12 +15 51 28.6
Date first 1877 Date last 2012 Obs 57
Pa first 355 Pa last 173.6 P.A. Now (θ) 354.2°
Sep first 0.5 Sep last 0.193 Sep. Now (ρ) 0.352"
Mag pri 7.95 Mag sec 9.63 delta mag (ΔM) 1.68 Spectral class G0V (yellow)
Pri motion ra -015 Sec motion ra
Pri motion dec -069 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22045+1551 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 107636 22 04 30 +15 51 29 BU 696 AB 2012 57 174 0.2 7.95 9.63 1.68 Y <===
Show HD 209622 107636 22 04 30 +15 51 29 BU 696 AC 2018 34 322 63.9 7.95 8.96 1.01
Show 107636 22 04 30 +15 51 29 BU 696 AE 2018 26 3 120.3 7.95 10.02 2.07
Show 22 04 27 +15 52 17 BU 696 CE 2018 20 33 84.3 8.96 10.02 1.06
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 107636 HIP 108961 Tycho2 1680-00412-1
Gaia DR2 1774810336454469760 HD 209622 GC 30870 ADS 15599
BD BD+15 4558 Distance 93.37 Distance ly 304.57
 
 
ORBITAL ELEMENTS
 
 
Period (P)160.3y Periastron (T)2006.74y Semi-major axis (a)0.386a
Eccentricity (e)0.909 Inclination (i)84.9° Longitude of periastron (ω)46.4°
Node (Ω)172.2° Notesn ReferenceFMR2013d
Equinox2000 Last observation2012 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 56.0 0.021
2001 92.6 0.017
2002 128.5 0.021
2003 148.1 0.030
2004 158.5 0.040
2005 165.0 0.047
2006 170.4 0.046
2007 190.1 0.010
2008 347.1 0.047
2009 350.0 0.090
2010 351.1 0.125
2011 351.7 0.154
2012 352.2 0.179
2013 352.5 0.202
2014 352.8 0.222
2015 353.0 0.241
2016 353.2 0.259
2017 353.4 0.275
2018 353.6 0.290
2019 353.7 0.304
2020 353.8 0.317
2021 354.0 0.329
2022 354.1 0.341
2023 354.2 0.352
2024 354.3 0.363
2025 354.4 0.373
2026 354.4 0.382
2027 354.5 0.391
2028 354.6 0.400
2029 354.7 0.408
2030 354.8 0.416


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



 
 


wds22045%2B1551a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic