00206+1219 BU 1015 (HD 1634)

 
 
00h 20m 38.21s +12 18' 39.8" P.A. 110.00 sep 0.5 mag 8.39,9.67 Sp F5 dist. 107.41 pc (350.37 l.y.)
 
 
Coord 2000 00206+1219 Discov num BU 1015 Comp Coord arcsec 2000 00 20 38.21 +12 18 39.8
Date first 1888 Date last 2017 Obs 104
Pa first 115 Pa last 109.8 P.A. Now (θ) 114.1°
Sep first 0.6 Sep last 0.51 Sep. Now (ρ) 0.514"
Mag pri 8.39 Mag sec 9.67 delta mag (ΔM) 1.28 Spectral class F5 (yellow-white)
Pri motion ra -027 Sec motion ra -027
Pri motion dec +007 Sec motion dec +007
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1634 Constellation Pisces SAO 91856 HIP 1646
Tycho2 0599-00185-1 Gaia DR2 2755335495931879040 HD 1634 ADS 281
BD BD+11 41 Distance 107.41 Distance ly 350.37
 
 
ORBITAL ELEMENTS
 
 
Period (P)137y Periastron (T)1961.65y Semi-major axis (a)0.333a
Eccentricity (e)0.557 Inclination (i)35° Longitude of periastron (ω)10°
Node (Ω)291.2° Notesn ReferenceHrt2010a
Equinox2000 Last observation2008 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 94.5 0.434
2001 95.5 0.440
2002 96.5 0.446
2003 97.5 0.452
2004 98.5 0.457
2005 99.4 0.462
2006 100.3 0.467
2007 101.2 0.471
2008 102.1 0.475
2009 103.0 0.480
2010 103.8 0.483
2011 104.7 0.487
2012 105.5 0.491
2013 106.3 0.494
2014 107.1 0.497
2015 107.9 0.499
2016 108.7 0.502
2017 109.5 0.504
2018 110.3 0.507
2019 111.1 0.508
2020 111.8 0.510
2021 112.6 0.512
2022 113.3 0.513
2023 114.1 0.514
2024 114.8 0.515
2025 115.6 0.516
2026 116.3 0.516
2027 117.1 0.516
2028 117.8 0.516
2029 118.6 0.516
2030 119.3 0.516


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



 
 


wds00206%2B1219b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic