19542+0157 ABT9002BC

Coord 2000	19542+0157		Discov num	ABT9002		Comp	BC		Coord arcsec 2000	19 54 25.74 +01 56 29.0
Date first	1921		Date last	2000		Obs	3
Pa first	38		Pa last	30		P.A. Now (θ)	30°
Sep first	77.2		Sep last	94.5		Sep. Now (ρ)	94.5"
Mag pri	9.03		Mag sec	12.26		delta mag (ΔM)	3.23		Spectral class	K0 (yellow-orange)
Pri motion ra	-003		Sec motion ra	-004
Pri motion dec	-269		Sec motion dec	-006
Notes	N (See Notes)

rPM=0.978 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 54 15 +01 56 36	HZG 14 AB	2015	21	93	162.0	8.89	9.03	0.14
Show			19 54 26 +01 56 29	ABT 9002 BC	2000	3	30	94.5	9.03	12.26	3.23		<===

Triple system
3 visible stars in this system

Precise pa	29.5		Precise sep	94.513		Constellation	Aquila		HIP	97950
Tycho2	0485-01108-1		Gaia DR2	4240625896609242624		HD	188311		BD	BD+01 4135
Distance	42.68		Distance ly	139.22

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19542+0157	ABT9002	BC	1921	1	38	77.2	9.03	11.70	K0	N	195425.74+015628.9
19542+0157	ABT9002	BC	1999	2	29	94.4	9.03	12.37	K0	N D	195425.74+015629.0
19542+0157	ABT9002	BC	2000	3	30	94.5	9.03	12.37	K0	N D	195425.74+015629.0

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