17085-3639 EGN 20 AB (HD 154682)

Coord 2000	17085-3639		Discov num	EGN  20		Comp	AB		Coord arcsec 2000	17 08 32.74 -36 38 34.2
Date first	2004		Date last	2005		Obs	3
Pa first	79		Pa last	78.2		P.A. Now (θ)	78.2°
Sep first	1.0		Sep last	0.981		Sep. Now (ρ)	0.981"
Mag pri	6.29		Mag sec	10.30		delta mag (ΔM)	4.01		Spectral class	G5V+M3V (yellow/red)
Pri motion ra	+045		Sec motion ra
Pri motion dec	-085		Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, 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 This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 154682	208457	17 08 33 -36 38 34	EGN 20 AB	2005	3	78	1.0	6.29	10.30	4.01		<===
Show		208457	17 08 33 -36 38 34	EGN 20 AC	2005	3	140	3.4	6.17	13.90	7.73
Show		208457	17 08 33 -36 38 34	EGN 20 AD	2005	1	113	4.3	6.17	15.90	9.73
Show		208457	17 08 33 -36 38 34	EGN 20 AE	2005	3	358	4.8	6.17	13.00	6.83
Show		208457	17 08 33 -36 38 34	EGN 20 AF	2005	3	57	5.0	6.17	13.80	7.63
Show		208457	17 08 33 -36 38 34	EGN 20 AG	2005	1	238	6.0	6.17	15.00	8.83
Show		208457	17 08 33 -36 38 34	EGN 20 AH	2005	1	169	6.4	6.17	16.20	10.03
Show		208457	17 08 33 -36 38 34	EGN 20 AI	2005	1	53	6.5	6.17	15.80	9.63
Show		208457	17 08 33 -36 38 34	EGN 20 AJ	2005	1	112	6.7	6.17	15.10	8.93
Show		208457	17 08 33 -36 38 34	EGN 20 AK	2005	1	109	10.0	6.17	16.10	9.93
Show		208457	17 08 33 -36 38 34	EGN 20 AL	2005	2	244	10.8	6.17	11.98	5.81
Show		208457	17 08 33 -36 38 34	EGN 20 AM	2015	4	34	20.2	7.75	13.90	6.15

13-fold system
13 estimated visually detectable stars in this system

Name	HD 154682		Constellation	Scorpius		SAO	208457		HIP	83874
Tycho2	7373-01297-1		Gaia DR2	5976865876277242112		HD	154682		GC	23113
CD	CD-3611257		CP	CP-36 7166		Distance	47.26		Distance ly	154.16