03448+4602 BAG 8 AB

Coord 2000	03448+4602		Discov num	BAG   8		Comp	AB		Coord arcsec 2000	03 44 48.83 +46 02 09.0
Date first	1993		Date last	2016		Obs	22
Pa first	107		Pa last	285.5		P.A. Now (θ)	96.9°
Sep first	0.2		Sep last	0.22		Sep. Now (ρ)	0.27"
Mag pri	7.90		Mag sec	10.66		delta mag (ΔM)	2.76		Spectral class	G9.5+K7 (yellow/yellow-orange)
Pri motion ra	+287		Sec motion ra
Pri motion dec	-099		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		39072	03 44 49 +46 02 09	BAG 8 AB	2016	22	286	0.2	7.90	10.66	2.76	Y	<===
Show	HD 23140	39072	03 44 49 +46 02 09	BAG 8 AC	1993	1	134	0.0	7.80	9.00	1.20

Triple system
3 estimated visually detectable stars in this system

Constellation	Perseus		SAO	39072		HIP	17491		Tycho2	3313-01086-1
HD	23140		GL	Gl 150.2		BD	BD+45 805		Distance	25.89
Distance ly	84.45

Period (P)	13.604y	± 0.046	Periastron (T)	58570d (2019.235y)	± 24	Semi-major axis (a)	254.9m	± 1.3
Eccentricity (e)	0.268	± 0.011	Inclination (i)	101.79°	± 0.38	Longitude of periastron (ω)	250.5°	± 1.3
Node (Ω)	100.68°	± 0.46	Notes	n		Reference	MnA2019
Equinox			Last observation	2016		Grade	2	(1=Definitive, 9=Indet.)

label theta rho 2000 14.1 0.065 2001 315.2 0.104 2002 296.3 0.171 2003 287.4 0.217 2004 280.5 0.217 2005 270.6 0.147 2006 200.7 0.039 2007 114.0 0.140 2008 104.1 0.231 2009 98.8 0.268 2010 94.1 0.260 2011 88.2 0.218 2012 78.3 0.155 2013 52.8 0.087 2014 343.7 0.071 2015 305.4 0.131 2016 292.3 0.193 2017 284.7 0.224 2018 277.4 0.198 2019 261.7 0.101 2020 136.3 0.066 2021 108.8 0.183 2022 101.8 0.252 2023 96.9 0.270 2024 92.0 0.246 2025 85.0 0.195 2026 71.5 0.127 2027 30.0 0.069 2028 322.6 0.091 2029 298.9 0.158 2030 289.0 0.210		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic