09188+3648 STF1334AB (38 Lyn)

Coord 2000	09188+3648		Discov num	STF1334		Comp	AB		Coord arcsec 2000	09 18 50.64 +36 48 09.3
Date first	1820		Date last	2019		Obs	209
Pa first	239		Pa last	224		P.A. Now (θ)	222.5°
Sep first	2.8		Sep last	2.6		Sep. Now (ρ)	2.61"
Mag pri	3.92		Mag sec	6.09		delta mag (ΔM)	2.17		Spectral class	A1V (white)
Pri motion ra	-033		Sec motion ra	-033
Pri motion dec	-126		Sec motion dec	-124
Notes	N O (See Notes, Orbital solution)

rPM=0.015 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	38 Lyn	61391	09 18 51 +36 48 09	STF 1334 AB	2019	209	222	2.6	3.92	6.09	2.17	Y	<===
Show		61391	09 18 51 +36 48 09	DRS 44 AE	2015	3	53	98.3	3.92	14.70	10.78
Show		61391	09 18 50 +36 48 08	CHR 173 Ba,Bb	2004	2	266	0.2	6.09
Show		61391	09 18 50 +36 48 08	STF 1334 BC	2015	6	217	77.0	6.09	12.50	6.41
Show		61391	09 18 50 +36 48 08	STF 1334 BD	2015	6	262	172.3	6.09	12.46	6.37

Sextuple system
5 visible stars in this system

Precise pa	224		Precise sep	2.56		Name	38 Lyn		Constellation	Lynx
SAO	61391		HIP	45688		Gaia DR2	810952158347151360		HD	80081
HR	3690		GC	12830		BD	BD+37 1965		Flamsteed	38 Lyncis
Flamsteed name	38 Lyn		Distance	38.27		Distance ly	124.84		last precise pa	224
last precise sep	2.56

Period (P)	2782.8336y	± 1530.4085	Periastron (T)	1545.7004y	± 698.7459	Semi-major axis (a)	6.4453a	± 3.78816
Eccentricity (e)	0.77055	± 0.17698	Inclination (i)	104.322°	± 9.535	Longitude of periastron (ω)	107.279°	± 25.543
Node (Ω)	87.298°	± 72.128	Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox			Last observation	2014

label rho theta 2000 2.654 225.1 2001 2.652 225.0 2002 2.650 224.8 2003 2.648 224.7 2004 2.646 224.6 2005 2.644 224.5 2006 2.642 224.3 2007 2.640 224.2 2008 2.638 224.1 2009 2.637 224.0 2010 2.635 223.9 2011 2.633 223.7 2012 2.631 223.6 2013 2.629 223.5 2014 2.627 223.4 2015 2.625 223.2 2016 2.623 223.1 2017 2.621 223.0 2018 2.619 222.9 2019 2.617 222.8 2020 2.615 222.6 2021 2.613 222.5 2022 2.611 222.4 2023 2.609 222.3 2024 2.607 222.1 2025 2.605 222.0 2026 2.604 221.9 2027 2.602 221.8 2028 2.600 221.6 2029 2.598 221.5 2030 2.596 221.4		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
09188+3648	STF1334	AB	2006	172	225	2.7	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2007	173	224	2.7	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2008	174	226	2.8	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2009	177	225	2.6	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2010	180	224	2.7	3.92	6.09	A3V	N D	091850.67+364810.4
09188+3648	STF1334	AB	2012	181	224	2.5	3.92	6.09	A3V	N D	091850.67+364810.4
09188+3648	STF1334	AB	2013	189	224	2.6	3.92	6.09	A3V	N	091850.67+364810.4
09188+3648	STF1334	AB	2014	192	224	2.5	3.92	6.09	A1V	N	091850.67+364810.4
09188+3648	STF1334	AB	2016	193	222	2.6	3.92	6.09	A1V	N	091850.64+364809.3
09188+3648	STF1334	AB	2017	199	223	2.6	3.92	6.09	A1V	N	091850.64+364809.3
09188+3648	STF1334	AB	2019	206	224	2.6	3.92	6.09	A1V	NO	091850.64+364809.3

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