09207+5116 STT 199AB (37 Hya)

Coord 2000	09207+5116		Discov num	STT 199		Comp	AB		Coord arcsec 2000	09 20 43.76 +51 15 57.8
Date first	1847		Date last	2020		Obs	39
Pa first	113		Pa last	142		P.A. Now (θ)	142°
Sep first	5.6		Sep last	5.4		Sep. Now (ρ)	5.4"
Mag pri	6.19		Mag sec	10.00		delta mag (ΔM)	3.81		Spectral class	F5V (yellow-white)
Pri motion ra	-036		Sec motion ra
Pri motion dec	+145		Sec motion dec
Notes	N L (See Notes, Linear solution)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	37 Lyn	27215	09 20 44 +51 15 58	STT 199 AB	2020	39	142	5.4	6.19	10.00	3.81		<===
Show		27215	09 20 44 +51 15 58	STT 199 AC	2015	25	7	127.4	6.19	10.66	4.47
Show		27215	09 20 44 +51 15 58	ARN 71 AD	2015	19	51	230.7	6.19	7.89	1.70

Quadruple system
4 visible stars in this system

Precise pa	141.5		Precise sep	5.38		Name	37 Hya		Constellation	Ursa Major
SAO	27215		HIP	45836		Tycho2	3431-01099-1		Gaia DR2	1019361632454363904
HD	80290		HR	3697		GC	12865		BD	BD+51 1495
Flamsteed	37 Ursae Majoris		Flamsteed name	37 Hya		Distance	27.45		Distance ly	89.54

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09207+5116	STT 199	AB	1998	31	138	5.6	6.20	10.00	F5V	D	092043.76+511557.8
09207+5116	STT 199	AB	2016	34	140	5.7	6.19	10.00	F5V	N	092043.76+511557.8
09207+5116	STT 199	AB	2017	37	142	5.6	6.19	10.00	F5V	N	092043.76+511557.8

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