16391-5815 EGN 19 AC

Coord 2000	16391-5815		Discov num	EGN  19		Comp	AC		Coord arcsec 2000	16 39 04.14 -58 15 29.5
Date first	2005		Date last	2005		Obs	1
Pa first	334		Pa last	333.9		P.A. Now (θ)	333.9°
Sep first	7.9		Sep last	7.85		Sep. Now (ρ)	7.85"
Mag pri	7.03		Mag sec			delta mag (ΔM)			Spectral class	G5V (yellow)
Pri motion ra	-227		Sec motion ra
Pri motion dec	-285		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	HD 149612	244021	16 39 04 -58 15 30	EGN 19 AB	2005	2	140	5.7	7.03
Show		244021	16 39 04 -58 15 30	EGN 19 AC	2005	1	334	7.9	7.03				<===

Triple system
3 estimated visually detectable stars in this system

Constellation	Ara		SAO	244021		HIP	81520		Tycho2	8724-01358-1
HD	149612		CD	CD-57 6486		CP	CP-57 8091		Distance	22.45
Distance ly	73.23

discov_num	notes	refcode
EGN 19	AB pair unbound. Single epoch, optical/physical nature of AC unknown.	Egn2007

refcode	metd	author	reference
Egn2007	Ao j	Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan,	2007A&A...474..273E
Egn2007		D., & Mayor, M.
Egn2007		A&A 474, 273, 2007

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
16391-5815	EGN 19	AC	2005	1	334	7.9	7.03		G5V	N D	163904.39-581527.0

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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