00188+5923 HJ 1012AB

Coord 2000	00188+5923		Discov num	HJ 1012		Comp	AB		Coord arcsec 2000	00 18 46.65 +59 23 43.9
Date first	1828		Date last	2015		Obs	18
Pa first	24		Pa last	348		P.A. Now (θ)	348°
Sep first	10.0		Sep last	14.5		Sep. Now (ρ)	14.5"
Mag pri	11.34		Mag sec	11.68		delta mag (ΔM)	0.34		Spectral class
Pri motion ra	+044		Sec motion ra	-004
Pri motion dec	-005		Sec motion dec	-004
Notes	N W (See Notes, )

rPM=1.084 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 18 47 +59 23 44	HJ 1012 AB	2015	18	348	14.5	11.34	11.68	0.34		<===
Show			00 18 47 +59 23 44	HJ 1012 AD	2015	15	116	59.5	11.34	12.06	0.72
Show			00 18 55 +59 23 06	HJ 1013 CD	2015	16	329	14.2	11.90	12.06	0.16

Quadruple system
4 visible stars in this system

Precise pa	347.5		Precise sep	14.54		Constellation	Hydra		Tycho2	3665-00721-1
Gaia DR2	428256686646468864

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00188+5923	HJ 1012	AB	2001	9	350	14.5	11.34	11.68		N D	001846.65+592343.9
00188+5923	HJ 1012	AB	2003	11	350	14.4	11.34	11.68		N D	001846.65+592343.9
00188+5923	HJ 1012	AB	2013	12	348	14.5	11.34	11.68		N	001846.65+592343.9
00188+5923	HJ 1012	AB	2015	14	348	14.5	11.34	11.68		N	001846.65+592343.9

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