19177+2302 BU  248AB (2 Vul)

Coord 2000	19177+2302		Discov num	BU  248		Comp	AB		Coord arcsec 2000	19 17 43.64 +23 01 32.0
Date first	1875		Date last	2015		Obs	67
Pa first	125		Pa last	128		P.A. Now (θ)	128°
Sep first	1.9		Sep last	1.8		Sep. Now (ρ)	1.8"
Mag pri	5.43		Mag sec	8.75		delta mag (ΔM)	3.32		Spectral class	B0.5IV (blue-white)
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	-011		Sec motion dec	-011
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	2 Vul	87036	19177+2302	BU 248	AB	1875	2015	67	128	1.8	5.43	8.75	3.32		<===
Show		87036	19177+2302	HO 654	AC	1881	2015	8	119	51.1	5.43	10.40	4.97

Triple system
3 visible stars in this system

Precise pa	128.3		Precise sep	1.76		Name	2 Vul		Var name	ES Vul
Constellation	Vulpecula		SAO	87036		HIP	94827		Tycho2	2124-02557-1
Gaia DR2	2022245532721403776		HD	180968		HR	7318		GC	26613
BD	BD+22 3648		Flamsteed	2 Vulpeculae		Flamsteed name	2 Vul		Distance	373.13
Distance ly	1217.15

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19177+2302	BU 248	AB	2001	55	131	1.6	5.43	8.75	B0.5IV	N D	191743.64+230132.0
19177+2302	BU 248	AB	2007	59	128	1.7	5.43	8.75	B0.5IV	N D	191743.64+230132.0
19177+2302	BU 248	AB	2009	61	128	1.7	5.43	8.75	B0.5IV	N D	191743.64+230132.0
19177+2302	BU 248	AB	2013	62	127	1.7	5.43	8.75	B0.5IV	N	191743.64+230132.0
19177+2302	BU 248	AB	2015	67	128	1.8	5.43	8.75	B0.5IV	N	191743.64+230132.0

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