19396+2945 BKO  77AJ

Coord 2000	19396+2945		Discov num	BKO  77		Comp	AJ		Coord arcsec 2000	19 39 35.20 +29 44 55.5
Date first	1997		Date last	2015		Obs	10
Pa first	124		Pa last	124		P.A. Now (θ)	124°
Sep first	28.1		Sep last	27.9		Sep. Now (ρ)	27.9"
Mag pri	7.49		Mag sec	14.00		delta mag (ΔM)	6.51		Spectral class	B8Vn (blue-white)
Pri motion ra	-001		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		87522	19 39 35 +29 44 56	STF 2557 AB	2015	33	103	11.0	7.49	10.23	2.74
Show		87522	19 39 35 +29 44 56	BU 54 AC	2015	19	304	21.8	7.49	11.30	3.81
Show		87522	19 39 35 +29 44 56	ABH 124 AD	2015	15	147	47.8	7.49	10.63	3.14
Show		87522	19 39 35 +29 44 56	ABH 124 AE	2015	13	164	65.7	7.49	12.72	5.23
Show		87522	19 39 35 +29 44 56	ABH 124 AF	2015	16	180	89.2	7.49	10.39	2.90
Show		87522	19 39 35 +29 44 56	ABH 124 AG	2015	11	229	39.4	7.49	12.92	5.43
Show		87522	19 39 35 +29 44 56	ABH 124 AH	2015	15	92	103.6	7.49	10.54	3.05
Show		87522	19 39 35 +29 44 56	ABH 124 AI	2015	15	116	100.5	7.49	12.10	4.61
Show		87522	19 39 35 +29 44 56	BKO 77 AJ	2015	10	124	27.9	7.49	14.00	6.51		<===
Show		87522	19 39 35 +29 44 56	BKO 77 AK	2015	10	97	69.2	7.49	14.60	7.11
Show		87522	19 39 35 +29 44 56	BKO 77 AL	2015	10	220	30.0	7.49	15.00	7.51
Show		87522	19 39 35 +29 44 56	BKO 77 AM	2015	8	120	111.9	7.49	15.30	7.81

13-fold system
13 visible stars in this system

Precise pa	124.2		Precise sep	27.868		Constellation	Cygnus		SAO	87522
HIP	96709		Tycho2	2150-02662-1		Gaia DR2	2032426735530782592		HD	185756
BD	BD+29 3686		Distance	315.46		Distance ly	1029.03

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19396+2945	BKO 77	AJ	2006	3	124	27.6	7.49	14.00	B8Vn	D	193935.20+294455.5
19396+2945	BKO 77	AJ	2012	5	123	27.6	7.49	14.00	B8Vn	D	193935.20+294455.5
19396+2945	BKO 77	AJ	2015	6	124	27.9	7.49	14.00	B8Vn		193935.20+294455.5

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