14514+1906 STF1888AB (Xi Boo)

Coord 2000	14514+1906		Discov num	STF1888		Comp	AB		Coord arcsec 2000	14 51 23.38 +19 06 01.7
Date first	1780		Date last	2020		Obs	1462
Pa first	24		Pa last	297		P.A. Now (θ)	295.7°
Sep first	3.4		Sep last	5.2		Sep. Now (ρ)	5.26"
Mag pri	4.76		Mag sec	6.95		delta mag (ΔM)	2.19		Spectral class	G8V+K5V (yellow/yellow-orange)
Pri motion ra	+153		Sec motion ra	+090
Pri motion dec	-072		Sec motion dec	-147
Notes	N O (See Notes, Orbital solution)

rPM=0.568 This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Xi Boo	101250	14514+1906	STF1888	AB	1780	2020	1462	296	5.3	4.76	6.95	2.19	Y	<===
Show		101250	14514+1906	STF1888	AC	1830	2015	25	340	71.3	4.76	13.83	9.07
Show		101250	14514+1906	STF1888	AD	1830	2015	24	286	160.8	4.76	11.73	6.97
Show		101250	14514+1906	ARN 11	AE	1960	2015	14	98	271.5	4.76	8.65	3.89
Show		101250	14514+1906	ARN 12	AF	1897	2015	12	37	337.5	4.76	9.20	4.44
Show		101250	14514+1906	STF1888	BC	1892	2001	7	340	63.9	6.95	13.83	6.88
Show		101250	14514+1906	STF1888	BE	1897	2009	13	102	273.5	6.95	8.65	1.70

Sextuple system
6 visible stars in this system

Precise pa	296.6		Precise sep	5.23		Name	Xi Boo		Constellation	Bootes
SAO	101250		HIP	72659		Tycho2	1481-00722-1		Gaia DR2	38916392704
HD	131156		HR	5544		GC	19991		ADS	9413
GL	Gl 566A		BD	BD+19 2870		Bayer	Xi Bootis		Bayer name	Xi Boo
Flamsteed	37 Bootis		Flamsteed name	37 Boo		Distance	6.71		Distance ly	21.89
last precise pa	296.6		last precise sep	5.23

Period (P)	152.9614y	± 0.1204	Periastron (T)	1909.6213y	± 0.0655	Semi-major axis (a)	4.93454a	± 0.00463
Eccentricity (e)	0.51385	± 0.00079	Inclination (i)	140.453°	± 0.103	Longitude of periastron (ω)	25.492°	± 0.518
Node (Ω)	168.795°	± 0.329	Note			Grade	2	(1=Definitive, 9=Indet.)
Equinox			Last observation	2015

label rho theta 2000 6.707 317.8 2001 6.657 316.9 2002 6.605 316.1 2003 6.551 315.2 2004 6.494 314.3 2005 6.436 313.4 2006 6.376 312.5 2007 6.314 311.5 2008 6.249 310.6 2009 6.184 309.6 2010 6.116 308.6 2011 6.046 307.6 2012 5.975 306.5 2013 5.902 305.4 2014 5.827 304.3 2015 5.750 303.2 2016 5.672 302.0 2017 5.593 300.8 2018 5.512 299.6 2019 5.429 298.4 2020 5.345 297.0 2021 5.260 295.7 2022 5.173 294.3 2023 5.085 292.9 2024 4.996 291.4 2025 4.907 289.8 2026 4.816 288.2 2027 4.724 286.6 2028 4.632 284.8 2029 4.540 283.0 2030 4.447 281.1 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
14514+1906	STF1888	AB	2007	1361	311	6.3	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2008	1366	309	6.2	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2009	1368	310	6.4	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2010	1386	310	5.9	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2011	1401	308	6.0	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2012	1402	306	5.7	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2013	1414	306	5.7	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2014	1419	304	5.6	4.76	6.95	G8V K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2015	1422	302	5.6	4.76	6.95	G8V+K5V	NOD	145123.28+190602.3
14514+1906	STF1888	AB	2016	1439	302	5.5	4.76	6.95	G8V+K5V	NO	145123.38+190601.7
14514+1906	STF1888	AB	2017	1441	300	5.6	4.76	6.95	G8V+K5V	NO	145123.38+190601.7
14514+1906	STF1888	AB	2018	1447	300	5.3	4.76	6.95	G8V+K5V	NO	145123.38+190601.7
14514+1906	STF1888	AB	2019	1454	298	5.2	4.76	6.95	G8V+K5V	NO	145123.38+190601.7

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