19517+2239 TDT1806AB

Coord 2000	19517+2239		Discov num	TDT1806		Comp	AB		Coord arcsec 2000	19 51 44.24 +22 39 28.1
Date first	1991		Date last	1991		Obs	1
Pa first	339		Pa last	339		P.A. Now (θ)	339°
Sep first	0.9		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	10.97		Mag sec	11.27		delta mag (ΔM)	0.3		Spectral class	A3 (white)
Pri motion ra	-002		Sec motion ra	-002
Pri motion dec	-007		Sec motion dec	-007
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 51 44 +22 39 28	TDT 1806 AB	1991	1	339	0.9	10.97	11.27	0.30		<===
Show			19 51 44 +22 39 28	BKO 1015 AC	2015	8	301	23.6	10.97	12.70	1.73

Triple system
3 visible stars in this system

Precise pa	339.3		Precise sep	0.91		Constellation	Vulpecula		Tycho2	2140-01774-1
Gaia DR2	1827982753180256640		HD	345119

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19517+2239	TDT1806	AB	1991	1	339	0.9	10.97	11.27	A3	N	195144.24+223928.1

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