20280-0009 HJ  916AB

Coord 2000	20280-0009		Discov num	HJ  916		Comp	AB		Coord arcsec 2000	20 28 00.09 -00 09 04.9
Date first	1827		Date last	2015		Obs	14
Pa first	250		Pa last	260		P.A. Now (θ)	260°
Sep first	9.0		Sep last	14.8		Sep. Now (ρ)	14.8"
Mag pri	9.05		Mag sec	10.99		delta mag (ΔM)	1.94		Spectral class	K5 (yellow-orange)
Pri motion ra	+005		Sec motion ra	+005
Pri motion dec	-007		Sec motion dec	-048
Notes	N U (See Notes, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.85 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		144459	20280-0009	HJ 916	AB	1827	2015	14	260	14.8	9.05	10.99	1.94		<===
Show		144459	20280-0009	SHY 333	BC	1991	2000	4	149	999.9	10.99	7.84	3.15

Triple system
3 visible stars in this system

Precise pa

260

Precise sep

14.793

Constellation

Aquila

SAO

144459

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20280-0009	HJ 916	AB	1998	8	259	15.0	9.05	10.99	K5	D	202800.09-000904.9
20280-0009	HJ 916	AB	2000	9	259	15.1	9.05	10.99	K5	N D	202800.09-000904.9
20280-0009	HJ 916	AB	2010	13	260	13.8	9.05	10.99	K5	NU	202800.09-000904.9
20280-0009	HJ 916	AB	2015	12	260	14.8	9.05	10.99	K5	NU	202800.09-000904.9

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