00209+3259 AC    1

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.

Precise pa	289.9		Precise sep	1.846		Cdsa2 id	AC 1		Constellation	Andromeda
SAO	53827		HIP	1669		Tycho2	2265-01113-1		HD	1641
ADS	285		BD	BD+32 48		Ra deg	0.3483611111111111		De deg	32.97802777777778
Distance	67.93		Distance ly	221.59		last precise pa	289.9		last precise sep	1.846

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			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2012

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.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00209+3259	AC 1		2006	117	291	2.0	7.27	8.26	F5V	D	002054.10+325840.9
00209+3259	AC 1		2008	118	288	1.8	7.27	8.26	F5V	D	002054.10+325840.9
00209+3259	AC 1		2013	126	287	1.9	7.27	8.26	F5V		002054.10+325840.9
00209+3259	AC 1		2015	125	289	1.8	7.27	8.26	F5V	O	002054.10+325840.9
00209+3259	AC 1		2016	128	290	1.8	7.27	8.26	F5V	O	002054.10+325840.9

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