00247+0013 HDO  17AB

Coord 2000	00247+0013		Discov num	HDO  17		Comp	AB		Coord arcsec 2000	00 24 40.73 +00 12 36.3
Date first	1868		Date last	2000		Obs	3
Pa first	225		Pa last	229		P.A. Now (θ)	229°
Sep first	10.0		Sep last	34.5		Sep. Now (ρ)	34.5"
Mag pri	9.27		Mag sec	13.31		delta mag (ΔM)	4.04		Spectral class	A5 (white)
Pri motion ra	+007		Sec motion ra	+028
Pri motion dec	+001		Sec motion dec	+016
Notes

rPM=0.8 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		128745	00247+0013	HDO 17	AB	1868	2000	3	229	34.5	9.27	13.31	4.04		<===
Show		128745	00247+0013	HDO 17	AC	1893	2016	10	328	49.6	9.27	10.97	1.70

Triple system
3 visible stars in this system

Precise pa	229.1		Precise sep	34.47		Constellation	Pisces		SAO	128745
Tycho2	0003-00856-1		HD	2036		last precise pa	229.1		last precise sep	34.47

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00247+0013	HDO 17	AB	2000	2	229	34.5	9.27	13.00		D	002440.73+001236.3

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