20239-4225 I  1626AC

Coord 2000	20239-4225		Discov num	I  1626		Comp	AC		Coord arcsec 2000	20 23 53.17 -42 25 22.2
Date first	1925		Date last	1998		Obs	2
Pa first	270		Pa last	268		P.A. Now (θ)	268°
Sep first	15.0		Sep last	18.6		Sep. Now (ρ)	18.6"
Mag pri	5.67		Mag sec	14.30		delta mag (ΔM)	8.63		Spectral class	A5V (white)
Pri motion ra	-006		Sec motion ra
Pri motion dec	+024		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Kap2 Sgr	230184	20 23 53 -42 25 22	BU 763 AB	2017	54	356	0.5	5.67	7.25	1.58	Y
Show		230184	20 23 53 -42 25 22	I 1626 AC	1998	2	268	18.6	5.67	14.30	8.63		<===
Show		230184	20 23 53 -42 25 22	SEE 511 AD	2000	4	219	29.8	5.67	14.00	8.33

Quadruple system
4 visible stars in this system

Precise pa	267.7		Precise sep	18.609		Constellation	Sagittarius		SAO	230184
HIP	100591		Tycho2	7957-01410-1		Gaia DR2	6679362821813065856		HD	193807
HR	7787		GC	28341		CD	CD-4214847		CP	CP-42 9068
Distance	95.51		Distance ly	311.55

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20239-4225	I 1626	AC	1925	1	270	15.0	5.93	15.00	A5V		202353.19-422522.5
20239-4225	I 1626	AC	1998	2	268	18.6	5.67	14.30	A5V	N	202353.17-422522.2
20239-4225	I 1626	AC	2000	3	266	18.6	5.67	14.30	A5V	N	202353.17-422522.2

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