01467+3310 STF 158AB

Coord 2000	01467+3310		Discov num	STF 158		Comp	AB		Coord arcsec 2000	01 46 44.07 +33 09 45.5
Date first	1828		Date last	2018		Obs	126
Pa first	239		Pa last	272		P.A. Now (θ)	271.9°
Sep first	1.0		Sep last	2.2		Sep. Now (ρ)	2.11"
Mag pri	8.96		Mag sec	9.40		delta mag (ΔM)	0.44		Spectral class	F8 (yellow-white)
Pri motion ra	-026		Sec motion ra	-026
Pri motion dec	-021		Sec motion dec	-021
Notes	O (Orbital solution)

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

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		54973	01467+3310	STF 158	AB	1828	2018	126	272	2.1	8.96	9.40	0.44	Y	<===
Show		54973	01467+3310	FOX 120	AC	1912	2015	6	258	52.0	8.96	15.23	6.27
Show		54973	01467+3310	FOX 120	AD	1912	2015	8	69	100.9	8.96	12.82	3.86

Quadruple system
4 visible stars in this system

Precise pa	271.5		Precise sep	2.23		Constellation	Triangulum		SAO	54973
HIP	8283		Tycho2	2298-01446-1		Gaia DR2	4797293696		HD	10828
ADS	1406		BD	BD+32 318		Distance	104.06		Distance ly	339.44
last precise pa	271.5		last precise sep	2.23

Period (P)	1304.676y	± 716.8532	Periastron (T)	1789.6673y	± 91.5458	Semi-major axis (a)	3.9315a	± 2.18382
Eccentricity (e)	0.82397	± 0.13105	Inclination (i)	80.576°	± 4.521	Longitude of periastron (ω)	91.847°	± 13.024
Node (Ω)	71.233°	± 15.39	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation	2015

label rho theta 2000 2.143 270.2 2001 2.141 270.3 2002 2.140 270.4 2003 2.138 270.4 2004 2.136 270.5 2005 2.134 270.6 2006 2.132 270.7 2007 2.131 270.8 2008 2.129 270.9 2009 2.127 271.0 2010 2.125 271.0 2011 2.123 271.1 2012 2.121 271.2 2013 2.119 271.3 2014 2.117 271.4 2015 2.115 271.5 2016 2.113 271.6 2017 2.111 271.7 2018 2.109 271.8 2019 2.107 271.8 2020 2.105 271.9 2021 2.103 272.0 2022 2.100 272.1 2023 2.098 272.2 2024 2.096 272.3 2025 2.094 272.4 2026 2.092 272.5 2027 2.089 272.6 2028 2.087 272.7 2029 2.085 272.7 2030 2.083 272.8 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
01467+3310	STF 158	AB	1999	112	270	2.1	8.96	9.40	F8	D	014644.07+330945.5
01467+3310	STF 158	AB	2007	115	269	2.2	8.96	9.40	F8	D	014644.07+330945.5
01467+3310	STF 158	AB	2008	116	269	2.2	8.96	9.40	F8	D	014644.07+330945.5
01467+3310	STF 158	AB	2010	117	271	2.1	8.96	9.40	F8	OD	014644.07+330945.5
01467+3310	STF 158	AB	2012	119	270	2.1	8.96	9.40	F8	OD	014644.07+330945.5
01467+3310	STF 158	AB	2013	120	269	2.2	8.96	9.40	F8	O	014644.07+330945.5
01467+3310	STF 158	AB	2016	122	272	2.2	8.96	9.40	F8	O	014644.07+330945.5
01467+3310	STF 158	AB	2018	124	272	2.2	8.96	9.40	F8	O	014644.07+330945.5

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