00209+3259 AC    1

 
 
00H 20M 54.10S +32 58' 40.9" P.A. 288.8 SEP 1.84 MAG 7.27,8.26 SP F5V DIST. 67.93 PC (221.59 L.Y.)
 
 
Coord 2000
00209+3259
Discov num
AC    1
Comp
Coord arcsec 2000
00 20 54.10 +32 58 40.9
Date first
1859
Date last
2016
Obs
128
Pa first
278
Pa last
290
P.A. Now (θ)
288.8°
Sep first
0.4
Sep last
1.8
Sep. Now (ρ)
1.84"
Mag pri
7.27
Mag sec
8.26
delta mag (ΔM)
0.99
Spectral class
F5V (yellow-white)
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-065
Sec motion dec
-065
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
53827
HIP
1669
Tycho2
2265-01113-1
HD
1641
ADS
285
BD
BD+32 48
Distance
67.93
Distance ly
221.59
last precise pa
289.9
last precise sep
1.846
 
 
ORBITAL ELEMENTS
 
 
Period (P)525y Periastron (T)1820.1y Semi-major axis (a)1.234a
Eccentricity (e)0.6 Inclination (i)84° Longitude of periastron (ω)26.8°
Node (Ω)107.5° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 1.812 288.4
2001 1.815 288.4
2002 1.817 288.4
2003 1.819 288.4
2004 1.821 288.5
2005 1.823 288.5
2006 1.825 288.5
2007 1.827 288.5
2008 1.829 288.6
2009 1.831 288.6
2010 1.832 288.6
2011 1.834 288.7
2012 1.835 288.7
2013 1.837 288.7
2014 1.838 288.7
2015 1.839 288.8
2016 1.840 288.8
2017 1.842 288.8
2018 1.843 288.8
2019 1.844 288.9
2020 1.844 288.9
2021 1.845 288.9
2022 1.846 288.9
2023 1.847 289.0
2024 1.847 289.0
2025 1.848 289.0
2026 1.848 289.0
2027 1.849 289.1
2028 1.849 289.1
2029 1.849 289.1
2030 1.850 289.1

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic