01072+5330 H 4  66AB

Coord 2000	01072+5330		Discov num	H 4  66		Comp	AB		Coord arcsec 2000	01 07 09.45 +53 29 53.4
Date first	1782		Date last	2012		Obs	23
Pa first	77		Pa last	74		P.A. Now (θ)	74°
Sep first	24.0		Sep last	20.0		Sep. Now (ρ)	20"
Mag pri	6.47		Mag sec	10.56		delta mag (ΔM)	4.09		Spectral class	K2III (yellow-orange)
Pri motion ra	+017		Sec motion ra	-001
Pri motion dec	-004		Sec motion dec	-004
Notes	N (See Notes)

rPM=1.031 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		22021	01 07 09 +53 29 53	H 4 66 AB	2012	23	74	20.0	6.47	10.56	4.09		<===
Show		22021	01 07 09 +53 29 53	H 4 66 AC	2011	10	123	197.7	6.47	11.45	4.98

Triple system
3 visible stars in this system

Precise pa	74.4		Precise sep	20.044		Constellation	Hydra		SAO	22021
HIP	5251		Tycho2	3669-01690-1		Gaia DR2	411043149213560832		HD	6540
HR	318		BD	BD+52 262		Distance	512.82		Distance ly	1672.82

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01072+5330	H 4 66	AB	2006	19	74	19.8	6.50	10.10	K2III	N D	010709.45+532953.4
01072+5330	H 4 66	AB	2011	21	74	20.5	6.50	10.10	K2III	N D	010709.45+532953.4
01072+5330	H 4 66	AB	2012	23	74	20.0	6.47	10.56	K2III	N	010709.45+532953.4

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