19407-0037 HJ 2888AB (45 Aql)

Coord 2000	19407-0037		Discov num	HJ 2888		Comp	AB		Coord arcsec 2000	19 40 43.31 -00 37 16.7
Date first	1830		Date last	2015		Obs	8
Pa first	355		Pa last	352		P.A. Now (θ)	352°
Sep first	30.0		Sep last	40.3		Sep. Now (ρ)	40.3"
Mag pri	5.66		Mag sec	14.06		delta mag (ΔM)	8.4		Spectral class	A3IV (white)
Pri motion ra	+008		Sec motion ra
Pri motion dec	+023		Sec motion dec
Notes	N (See Notes)

Visually invisible, K-band or other infrared star 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		143678	19407-0037	CHR 88	Aa,Ab	1985	2019	20	315	0.1	5.90	7.60	1.70	Y
Show	45 Aql	143678	19407-0037	HJ 2888	AB	1830	2015	8	352	40.3	5.66	14.06	8.40		<===

Triple system
2 visible stars in this system

Precise pa	351.8		Precise sep	40.319		Name	45 Aql		Constellation	Aquila
SAO	143678		Tycho2	0479-00986-1		HD	185762		HR	7480
DM	BD-00 3813		Flamsteed	45 Aquilae		Flamsteed name	45 Aql

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19407-0037	HJ 2888	AB	1998	6	353	40.5	5.66	14.06	A3IV	D	194043.31-003716.7
19407-0037	HJ 2888	AB	2000	7	352	40.0	5.66	14.06	A3IV	N D	194043.31-003716.7
19407-0037	HJ 2888	AB	2015	8	352	40.3	5.66	14.06	A3IV	N	194043.31-003716.7

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