02580-1550 WIS  78AC

Coord 2000	02580-1550		Discov num	WIS  78		Comp	AC		Coord arcsec 2000	02 58 02.43 -15 50 17.5
Date first	1998		Date last	2010		Obs	2
Pa first	351		Pa last	351		P.A. Now (θ)	351°
Sep first	143.8		Sep last	144.0		Sep. Now (ρ)	144"
Mag pri	6.61		Mag sec	13.06		delta mag (ΔM)	6.45		Spectral class	F5V (yellow-white)
Pri motion ra	+159		Sec motion ra	+166
Pri motion dec	+146		Sec motion dec	+148
Notes	K (K-band or other infrared magnitudes)

rPM=0.033 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		148689	02580-1550	HU 811	AB	1903	2001	12	235	1.8	8.13	10.22	2.09
Show		148689	02580-1550	WIS 78	AC	1998	2010	2	351	144.0	6.61	13.06	6.45		<===

Triple system
3 visible stars in this system

Precise pa	351.2		Precise sep	144.031		Constellation	Eridanus		SAO	148689
HIP	13831		Tycho2	5864-00954-1		HD	18498		BD	BD-16 538
Distance	83.4		Distance ly	272.05		last precise pa	351.2		last precise sep	144.031

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02580-1550	WIS 78	AC	2010	2	351	144.0	6.61	13.06	F5V	K	025802.43-155017.5

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