19457+3605 STF2578AB

Coord 2000	19457+3605		Discov num	STF2578		Comp	AB		Coord arcsec 2000	19 45 39.65 +36 05 27.6
Date first	1823		Date last	2019		Obs	90
Pa first	126		Pa last	125		P.A. Now (θ)	125°
Sep first	14.2		Sep last	14.9		Sep. Now (ρ)	14.9"
Mag pri	6.37		Mag sec	7.04		delta mag (ΔM)	0.67		Spectral class	B9.5V (blue-white)
Pri motion ra	+002		Sec motion ra	+006
Pri motion dec	+007		Sec motion dec	+001
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=0.991 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68805	19 45 40 +36 05 28	STF 2578 AB	2019	90	125	14.9	6.37	7.04	0.67		<===
Show		68805	19 45 40 +36 05 28	STF 2578 AC	2006	9	356	44.3	6.37	12.49	6.12
Show		68805	19 45 40 +36 05 28	STF 2578 AD	2006	7	70	95.0	6.37	12.39	6.02
Show		68805	19 45 40 +36 05 28	STF 2578 AF	2013	23	251	144.5	6.37	9.22	2.85
Show		68806	19 45 41 +36 05 19	STF 2578 BE	2015	4	75	11.4	7.04	14.00	6.96

Sextuple system
6 visible stars in this system

Precise pa	124.5		Precise sep	14.892		Constellation	Cygnus		SAO	68805
HIP	97228		Tycho2	2668-00996-1		Gaia DR2	2047894802517982592		HD	186901
HR	7529		BD	BD+35 3786		Distance	300.3		Distance ly	979.58

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19457+3605	STF2578	AB	2008	77	125	14.9	6.37	7.04	B9.5V	N DU	194539.65+360527.6
19457+3605	STF2578	AB	2010	78	125	14.9	6.37	7.04	B9.5V	NUD	194539.65+360527.6
19457+3605	STF2578	AB	2012	81	125	14.8	6.37	7.04	B9.5V	NUD	194539.65+360527.6
19457+3605	STF2578	AB	2013	83	126	15.0	6.37	7.04	B9.5V	NUD	194539.65+360527.6
19457+3605	STF2578	AB	2014	84	125	14.9	6.37	7.04	B9.5V	NUD	194539.65+360527.6
19457+3605	STF2578	AB	2016	87	125	14.9	6.37	7.04	B9.5V	NU	194539.65+360527.6
19457+3605	STF2578	AB	2017	88	125	14.9	6.37	7.04	B9.5V	NU	194539.65+360527.6
19457+3605	STF2578	AB	2018	89	125	14.9	6.37	7.04	B9.5V	NU	194539.65+360527.6
19457+3605	STF2578	AB	2019	90	125	14.9	6.37	7.04	B9.5V	NU	194539.65+360527.6

If you need more information about this double, apply for a data request form to the WDS.