19553+0624 STT 532AB (Alshain)

Coord 2000	19553+0624		Discov num	STT 532		Comp	AB		Coord arcsec 2000	19 55 18.79 +06 24 24.3
Date first	1838		Date last	2015		Obs	31
Pa first	24		Pa last	0		P.A. Now (θ)	0°
Sep first	11.8		Sep last	13.4		Sep. Now (ρ)	13.4"
Mag pri	3.81		Mag sec	11.40		delta mag (ΔM)	7.59		Spectral class	G8IV+M3 (yellow/red)
Pri motion ra	+048		Sec motion ra
Pri motion dec	-482		Sec motion dec
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	Alshain	125235	19553+0624	STT 532	AB	1838	2015	31	0	13.4	3.81	11.40	7.59		<===
Show		125235	19553+0624	STT 532	AC	1834	2008	12	349	214.8	3.81	11.24	7.43

Triple system
3 visible stars in this system

Precise pa	359.7		Precise sep	13.414		Common name	Alshain		Meaning	Falcon
Other names	Alschairn		Constellation	Aquila		SAO	125235		HD	188512
HR	7602		Bayer	Beta Aquilae		Bayer name	Bet Aql		Flamsteed	60 Aquilae
Flamsteed name	60 Aql		last precise pa	359.7		last precise sep	13.414

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19553+0624	STT 532	AB	2007	29	1	13.1	3.81	11.90	G8IV	N D	195518.79+062424.3
19553+0624	STT 532	AB	2012	30	359	13.6	3.81	11.90	G8IV M3	N D	195518.79+062424.3
19553+0624	STT 532	AB	2015	31	0	13.4	3.81	11.90	G8IV+M3	N	195518.79+062424.3

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