00164+5722 HJ 1011AB

Coord 2000	00164+5722		Discov num	HJ 1011		Comp	AB		Coord arcsec 2000	00 16 28.56 +57 22 18.7
Date first	1828		Date last	2014		Obs	11
Pa first	101		Pa last	106		P.A. Now (θ)	106°
Sep first	7.0		Sep last	11.0		Sep. Now (ρ)	11"
Mag pri	11.06		Mag sec	12.94		delta mag (ΔM)	1.88		Spectral class
Pri motion ra	-002		Sec motion ra	+005
Pri motion dec	-005		Sec motion dec	-006
Notes	N (See Notes)

rPM=0.905 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 16 29 +57 22 19	TDS 1375 Aa,Ab	1991	1	123	0.8	11.63	11.98	0.35
Show			00 16 29 +57 22 19	HJ 1011 AB	2014	11	106	11.0	11.06	12.94	1.88		<===

Triple system
2 visible stars in this system

Precise pa	105.5		Precise sep	10.957		Constellation	Hydra		Tycho2	3661-01860-1
Gaia DR2	421649450697232768

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00164+5722	HJ 1011	AB	2000	6	106	11.0	11.06	12.94		D	001628.56+572218.7
00164+5722	HJ 1011	AB	2003	8	106	11.0	11.06	12.94		N D	001628.56+572218.7
00164+5722	HJ 1011	AB	2010	9	106	10.9	11.06	12.94		N	001628.56+572218.7
00164+5722	HJ 1011	AB	2014	11	106	11.0	11.06	12.94		N	001628.56+572218.7

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