19448+1649 STF2569

Coord 2000	19448+1649		Discov num	STF2569		Comp			Coord arcsec 2000	19 44 47.81 +16 48 55.1
Date first	1830		Date last	2019		Obs	41
Pa first	2		Pa last	357		P.A. Now (θ)	357°
Sep first	2.4		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	8.44		Mag sec	9.07		delta mag (ΔM)	0.63		Spectral class	A0 (white)
Pri motion ra	+003		Sec motion ra	+003
Pri motion dec	-004		Sec motion dec	-004
Notes	N (See Notes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Precise pa	357		Precise sep	2.159		Constellation	Sagitta		SAO	105206
HIP	97149		Tycho2	1615-01759-1		Gaia DR2	35288263680		HD	186586
BD	BD+16 3986		Distance	751.88		Distance ly	2452.63

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19448+1649	STF2569		2000	36	357	2.1	8.44	9.07	A0	D	194447.81+164855.1
19448+1649	STF2569		2006	38	357	2.1	8.44	9.07	A0	D	194447.81+164855.1
19448+1649	STF2569		2008	39	356	2.1	8.44	9.07	A0	D	194447.81+164855.1
19448+1649	STF2569		2011	40	355	2.1	8.44	9.07	A0	N	194447.81+164855.1
19448+1649	STF2569		2012	38	357	2.0	8.44	9.07	A0	N	194447.81+164855.1
19448+1649	STF2569		2016	39	357	2.3	8.44	9.07	A0	N	194447.81+164855.1
19448+1649	STF2569		2019	41	357	2.2	8.44	9.07	A0	N	194447.81+164855.1

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