00116+5945 BU  254AB

Coord 2000	00116+5945		Discov num	BU  254		Comp	AB		Coord arcsec 2000	00 11 33.36 +59 45 43.7
Date first	1875		Date last	2016		Obs	23
Pa first	238		Pa last	238		P.A. Now (θ)	238°
Sep first	7.4		Sep last	7.5		Sep. Now (ρ)	7.5"
Mag pri	7.90		Mag sec	11.90		delta mag (ΔM)	4		Spectral class	G8III (yellow)
Pri motion ra	-015		Sec motion ra	-016
Pri motion dec	+007		Sec motion dec	+001
Notes

rPM=0.367 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		21188	00 11 33 +59 45 44	BU 254 AB	2016	23	238	7.5	7.90	11.90	4.00		<===
Show		21188	00 11 33 +59 45 44	BU 254 AC	2015	15	240	37.0	7.90	13.24	5.34

Triple system
3 visible stars in this system

Precise pa	237.8		Precise sep	7.451		Constellation	Hydra		SAO	21188
Tycho2	3664-01016-1		Gaia DR2	429054146114926592		HD	697

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00116+5945	BU 254	AB	2008	16	237	7.1	7.90	11.90	G8III	D	001133.36+594543.7
00116+5945	BU 254	AB	2012	18	237	7.1	7.90	11.90	G8III	D	001133.36+594543.7
00116+5945	BU 254	AB	2015	19	238	7.5	7.90	11.90	G8III		001133.36+594543.7

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