20164-1220 BU  294AB (3 Cap)

Coord 2000	20164-1220		Discov num	BU  294		Comp	AB		Coord arcsec 2000	20 16 22.80 -12 20 13.5
Date first	1874		Date last	2015		Obs	7
Pa first	40		Pa last	33		P.A. Now (θ)	33°
Sep first	20.0		Sep last	26.7		Sep. Now (ρ)	26.7"
Mag pri	6.32		Mag sec	13.70		delta mag (ΔM)	7.38		Spectral class	B9pHg (blue-white)
Pri motion ra	+007		Sec motion ra	+018
Pri motion dec	-018		Sec motion dec	+033
Notes	N (See Notes)

rPM=1.388 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	3 Cap	163402	20 16 23 -12 20 14	BU 294 AB	2015	7	33	26.7	6.32	13.70	7.38		<===
Show		163402	20 16 24 -12 19 51	BU 294 BC	2015	7	177	6.6	13.70	14.20	0.50

Triple system
3 visible stars in this system

Precise pa	32.9		Precise sep	26.678		Name	3 Cap		Constellation	Capricornus
SAO	163402		HIP	99918		Tycho2	5748-02597-1		Gaia DR2	6879740981957759744
HD	192666		HR	7738		GC	28149		BD	BD-12 5680
Flamsteed	3 Capricorni		Flamsteed name	3 Cap		Distance	135.87		Distance ly	443.21

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20164-1220	BU 294	AB	1998	5	33	26.8	6.32	13.70	B9pHg	N D	201622.80-122013.5
20164-1220	BU 294	AB	2000	6	34	26.2	6.32	13.70	B9pHg	N D	201622.80-122013.5
20164-1220	BU 294	AB	2015	7	33	26.7	6.32	13.70	B9pHg	N	201622.80-122013.5

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