00533+0405 A  2307

Coord 2000	00533+0405		Discov num	A  2307		Comp			Coord arcsec 2000	00 53 19.51 +04 05 10.7
Date first	1910		Date last	2019		Obs	55
Pa first	31		Pa last	306		P.A. Now (θ)	320.1°
Sep first	0.2		Sep last	0.1		Sep. Now (ρ)	0.05"
Mag pri	7.55		Mag sec	8.79		delta mag (ΔM)	1.24		Spectral class	F1V (yellow-white)
Pri motion ra	-042		Sec motion ra
Pri motion dec	-038		Sec motion dec
Notes	N O (See Notes, Orbital solution)

Visually invisible, K-band or other infrared star This double is physical.

Precise pa	306.4		Precise sep	0.058		Constellation	Pisces		HIP	4176
Tycho2	0015-00958-1		Gaia DR2	40514312448		HD	5143		ADS	732
BD	BD+03 120		Distance	125.94		Distance ly	410.82		last precise pa	306.4
last precise sep	0.058

Period (P)	57.78y	± 3.87	Periastron (T)	2012.51y	± 1.25	Semi-major axis (a)	0.233a	± 0.005
Eccentricity (e)	0.419	± 0.029	Inclination (i)	74.3°	± 1.6	Longitude of periastron (ω)	357.9°	± 13.2
Node (Ω)	222.4°	± 1.4	Note			Grade	2	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2014

label rho theta 2000 0.161 62.2 2001 0.140 65.9 2002 0.118 71.0 2003 0.095 78.4 2004 0.075 90.1 2005 0.058 109.7 2006 0.051 139.2 2007 0.058 168.7 2008 0.074 188.5 2009 0.093 200.6 2010 0.111 208.6 2011 0.125 214.6 2012 0.134 219.5 2013 0.135 224.1 2014 0.129 228.8 2015 0.117 234.2 2016 0.101 241.2 2017 0.083 251.0 2018 0.066 266.4 2019 0.054 290.5 2020 0.054 320.1 2021 0.066 344.1 2022 0.084 359.3 2023 0.105 8.7 2024 0.126 15.0 2025 0.147 19.4 2026 0.168 22.8 2027 0.188 25.4 2028 0.206 27.6 2029 0.223 29.4 2030 0.239 30.9 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
00533+0405	A 2307		1998	47	59	0.2	7.55	8.79	F1V	NOD	005319.51+040510.7
00533+0405	A 2307		2008	48	195	0.1	7.55	8.79	F1V	NOD	005319.51+040510.7
00533+0405	A 2307		2014	51	235	0.1	7.55	8.79	F1V	NO	005319.51+040510.7
00533+0405	A 2307		2015	52	241	0.1	7.55	8.79	F1V	NO	005319.51+040510.7
00533+0405	A 2307		2017	53	262	0.1	7.55	8.79	F1V	NO	005319.51+040510.7
00533+0405	A 2307		2018	54	278	0.1	7.55	8.79	F1V	NO	005319.51+040510.7
00533+0405	A 2307		2019	55	306	0.1	7.55	8.79	F1V	NO	005319.51+040510.7

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