00437+5807 BKO 135BC

Coord 2000	00437+5807		Discov num	BKO 135		Comp	BC		Coord arcsec 2000	00 43 36.45 +58 06 52.2
Date first	1999		Date last	2015		Obs	7
Pa first	243		Pa last	243		P.A. Now (θ)	243°
Sep first	10.2		Sep last	9.9		Sep. Now (ρ)	9.9"
Mag pri	13.10		Mag sec	14.00		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	-013		Sec motion ra	+010
Pri motion dec	-001		Sec motion dec	-004
Notes

rPM=1.779 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 43 38 +58 06 55	STI 1419 AB	2015	11	259	16.1	12.13	13.10	0.97
Show			00 43 36 +58 06 52	BKO 135 BC	2015	7	243	9.9	13.10	14.00	0.90		<===

Triple system
3 visible stars in this system

Precise pa	243.2		Precise sep	9.935		Constellation	Hydra		Tycho2	3663-02469-1
Gaia DR2	425117684025765248

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00437+5807	BKO 135	BC	2003	2	244	10.3	12.60	13.50		D	004336.45+580652.2
00437+5807	BKO 135	BC	2015	4	243	9.9	13.10	14.00			004336.45+580652.2

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