16120-1907 KOH 78 AB

Coord 2000	16120-1907		Discov num	KOH  78		Comp	AB		Coord arcsec 2000	16 11 59.27 -19 06 53.3
Date first	1995		Date last	2018		Obs	11
Pa first	192		Pa last	192.1		P.A. Now (θ)	192.1°
Sep first	3.4		Sep last	3.41		Sep. Now (ρ)	3.41"
Mag pri	9.00		Mag sec	9.10		delta mag (ΔM)	0.1		Spectral class	K1 (yellow-orange)
Pri motion ra	-001		Sec motion ra
Pri motion dec	-021		Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			16 11 59 -19 06 53	KOH 78 AB	2018	11	192	3.4	9.00	9.10	0.10		<===
Show			16 11 59 -19 06 53	MSR 8 AC	2015	2	336	7.2	9.20	17.30	8.10
Show			16 11 59 -19 06 53	MSR 8 AD	2015	2	209	10.0	9.20	18.20	9.00
Show			16 11 59 -19 06 53	MSR 8 AE	1997	1	73	14.3	9.20	18.40	9.20

Quintuple system
5 estimated visually detectable stars in this system

Constellation

Scorpius

Gaia DR2

6245812948756034816

discov_num	notes	refcode
KOH 78	HBC 633 = V1001 Sco.	Msr2005

refcode	metd	author	reference
Msr2005	Hp j	Massarotti, A., Latham, D., Torres, G., Brown, R., & Oppenheimer, B.	2005AJ....129..485M
Msr2005	+E2	AJ 129, 2294, 2005

idgroup	discov	author
1	KOH	Koehler, R. & Leinert, Ch.
11	KOH	Koehler, R., Petr-Gotzens, M.G., McCaughrean, M.J., Bouvier, J., Duchene, G.,
11	KOH	Quirrenbach, A., & Zinnecker, H.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16120-1907	KOH 78	AB	2009	8	193	2.6	9.00	9.10	K1	K	161159.27-190653.3
16120-1907	KOH 78	AB	2015	9	192	3.4	9.00	9.10	K1	N K	161159.27-190653.3
16120-1907	KOH 78	AB	2018	11	192	3.4	9.00	9.10	K1	N K	161159.27-190653.3

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS