00207+0738 GWP  42AC

Coord 2000	00207+0738		Discov num	GWP  42		Comp	AC		Coord arcsec 2000	00 20 42.23 +07 38 27.7
Date first	1990		Date last	2015		Obs	5
Pa first	223		Pa last	223		P.A. Now (θ)	223°
Sep first	157.2		Sep last	157.7		Sep. Now (ρ)	157.7"
Mag pri	11.30		Mag sec	17.90		delta mag (ΔM)	6.6		Spectral class
Pri motion ra	+088		Sec motion ra	+082
Pri motion dec	-014		Sec motion dec	-018
Notes	N (See Notes)

rPM=0.081 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 20 42 +07 38 28	GWP 41 AB	2016	7	233	25.8	11.30	17.20	5.90
Show			00 20 42 +07 38 28	GWP 42 AC	2015	5	223	157.7	11.30	17.90	6.60		<===

Triple system
3 visible stars in this system

Precise pa	223.4		Precise sep	157.723		Constellation	Hydra		Tycho2	0596-01000-1
Gaia DR2	2748961042910125184

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00207+0738	GWP 42	AC	2000	2	224	157.7	11.30	17.90		N D	002042.23+073827.7
00207+0738	GWP 42	AC	2015	3	223	157.7	11.30	17.90		N	002042.23+073827.7

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