18332+4010 STT 356AB

Coord 2000	18332+4010		Discov num	STT 356		Comp	AB		Coord arcsec 2000	18 33 14.62 +40 09 34.2
Date first	1843		Date last	2019		Obs	53
Pa first	308		Pa last	302		P.A. Now (θ)	302°
Sep first	40.3		Sep last	28.3		Sep. Now (ρ)	28.3"
Mag pri	7.30		Mag sec	9.23		delta mag (ΔM)	1.93		Spectral class	F5 (yellow-white)
Pri motion ra	-041		Sec motion ra	+004
Pri motion dec	+050		Sec motion dec	+004
Notes	N L Y (See Notes, Linear solution, Parallax indicates components are non-physical)

rPM=0.995 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		47587	18 33 15 +40 09 34	STT 356 AB	2019	53	302	28.3	7.30	9.23	1.93		<===
Show		47587	18 33 15 +40 09 34	STT 356 AC	2015	25	9	48.1	7.30	10.90	3.60
Show		47587	18 33 12 +40 09 51	STT 356 BC	2015	25	45	45.6	9.23	10.90	1.67

Triple system
3 visible stars in this system

Precise pa	301.9		Precise sep	28.295		Constellation	Lyra		SAO	47587
HIP	90954		Tycho2	3109-02214-1		Gaia DR2	2110262881596160896		HD	171485
BD	BD+40 3411		Distance	41.7		Distance ly	136.03

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18332+4010	STT 356	AB	2007	33	303	28.8	7.30	9.23	F5	NLD	183314.62+400934.2
18332+4010	STT 356	AB	2008	34	302	29.3	7.30	9.23	F5	NLD	183314.62+400934.2
18332+4010	STT 356	AB	2010	35	302	28.9	7.30	9.23	F5	NLD	183314.62+400934.2
18332+4010	STT 356	AB	2012	37	303	28.9	7.30	9.23	F5	NLD	183314.62+400934.2
18332+4010	STT 356	AB	2013	41	302	28.6	7.30	9.23	F5	NL	183314.62+400934.2
18332+4010	STT 356	AB	2015	42	302	28.6	7.30	9.23	F5	NL Y	183314.62+400934.2
18332+4010	STT 356	AB	2019	53	302	28.3	7.30	9.23	F5	NL Y	183314.62+400934.2

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