02166-0516 A   445AB

Coord 2000	02166-0516		Discov num	A   445		Comp	AB		Coord arcsec 2000	02 16 38.41 -05 15 52.7
Date first	1903		Date last	2004		Obs	11
Pa first	182		Pa last	188		P.A. Now (θ)	188°
Sep first	2.0		Sep last	2.1		Sep. Now (ρ)	2.1"
Mag pri	9.95		Mag sec	11.80		delta mag (ΔM)	1.85		Spectral class
Pri motion ra	-022		Sec motion ra
Pri motion dec	-012		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			02166-0516	A 445	AB	1903	2004	11	188	2.1	9.95	11.80	1.85		<===
Show			02166-0516	A 445	AC	1894	2014	8	132	69.1	9.95	11.31	1.36

Triple system
3 visible stars in this system

Constellation

Cetus

Tycho2

4696-00776-1

last precise pa

187.6

last precise sep

2.06

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02166-0516	A 445	AB	2004	11	188	2.0	9.95	11.80			021638.41-051552.7

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