02182+3920 A 207

 
 
02h 18m 10.10s +39° 19' 39.8" sep 0.6 mag 9.69,10.30 Sp F5 dist. 100.91 pc (329.17 l.y.)
 
 
Coord 2000 02182+3920 Discov num A   207 Comp Coord arcsec 2000 02 18 10.10 +39 19 39.8
Date first 1902 Date last 2015 Obs 35
Pa first 126 Pa last 359.7 P.A. Now (θ) 359.7°
Sep first 0.2 Sep last 0.63 Sep. Now (ρ) 0.63"
Mag pri 9.69 Mag sec 10.30 delta mag (ΔM) 0.61 Spectral class F5 (yellow-white)
Pri motion ra -025 Sec motion ra -025
Pri motion dec -046 Sec motion dec -046
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda HIP 10735 Tycho2 2830-01585-1 Gaia DR2 331995203839920512
ADS 1762 BD BD+38 453 Distance 100.91 Distance ly 329.17
 
 
ORBITAL ELEMENTS
 
 
Period (P)1204.6y Periastron (T)1937.27y Semi-major axis (a)0.95a
Eccentricity (e)0.816 Inclination (i)31.1° Longitude of periastron (ω)193.9°
Node (Ω)31.3° Notesn ReferenceSca2020f
Equinox2000 Last observation2020 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 350.6 0.509
2001 351.1 0.515
2002 351.6 0.522
2003 352.1 0.528
2004 352.6 0.534
2005 353.0 0.540
2006 353.5 0.546
2007 353.9 0.552
2008 354.3 0.559
2009 354.8 0.565
2010 355.2 0.571
2011 355.6 0.577
2012 356.0 0.582
2013 356.4 0.588
2014 356.8 0.594
2015 357.1 0.600
2016 357.5 0.606
2017 357.9 0.612
2018 358.2 0.617
2019 358.6 0.623
2020 358.9 0.629
2021 359.2 0.635
2022 359.6 0.640
2023 359.9 0.646
2024 0.2 0.651
2025 0.5 0.657
2026 0.8 0.662
2027 1.1 0.668
2028 1.4 0.673
2029 1.7 0.679
2030 2.0 0.684


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



 
 


wds02182%2B3920b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic