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	2017		Obs	1441
Pa first	24		Pa last	300		P.A. Now (θ)	299.2°
Sep first	3.4		Sep last	5.6		Sep. Now (ρ)	5.39"
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	2017	1441	299	5.4	4.76	6.95	2.19	Y	<===
Show		101250	14514+1906	STF1888	AC	1830	2015	14	342	69.9	4.76	13.83	9.07
Show		101250	14514+1906	STF1888	AD	1830	2015	14	286	158.6	4.76	11.73	6.97
Show		101250	14514+1906	ARN 11	AE	1898	2015	15	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	8	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	300.1		Precise sep	5.585		Name	Xi Boo		Cdsa2 id	STF 1888 AB
Constellation	Bootes		SAO	101250		HIP	72659		Tycho2	1481-00722-1
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		Ra deg	14.856494444444444		De deg	19.100472222222223
Distance	6.71		Distance ly	21.89		last precise pa	300.1		last precise sep	5.585

Period (P)	151.6y		Periastron (T)	1909.3y		Semi-major axis (a)	4.94a
Eccentricity (e)	0.51		Inclination (i)	139°		Longitude of periastron (ω)	203°
Node (Ω)	347°		Note			Grade	2	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation

label rho theta 2000 6.670 317.7 2001 6.616 316.9 2002 6.559 316.0 2003 6.501 315.1 2004 6.440 314.2 2005 6.377 313.3 2006 6.313 312.4 2007 6.246 311.4 2008 6.177 310.4 2009 6.106 309.4 2010 6.034 308.4 2011 5.959 307.4 2012 5.882 306.3 2013 5.804 305.2 2014 5.724 304.1 2015 5.642 302.9 2016 5.559 301.7 2017 5.474 300.5 2018 5.387 299.2 2019 5.299 297.9 2020 5.209 296.5 2021 5.118 295.1 2022 5.026 293.6 2023 4.933 292.1 2024 4.839 290.5 2025 4.744 288.9 2026 4.648 287.2 2027 4.551 285.4 2028 4.454 283.6 2029 4.357 281.6 2030 4.260 279.6 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

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