00541+6626 HDS 117AB

Coord 2000	00541+6626		Discov num	HDS 117		Comp	AB		Coord arcsec 2000	00 54 06.11 +66 26 08.0
Date first	1991		Date last	2019		Obs	16
Pa first	116		Pa last	108		P.A. Now (θ)	108°
Sep first	0.9		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	7.10		Mag sec	10.91		delta mag (ΔM)	3.81		Spectral class	F0 (yellow-white)
Pri motion ra	+059		Sec motion ra	+059
Pri motion dec	+007		Sec motion dec	+007
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		11453	00 54 06 +66 26 08	YSC 19 Aa,Ab	2019	12	130	0.1	7.50	8.40	0.90
Show		11453	00 54 06 +66 26 08	HDS 117 AB	2019	16	108	0.9	7.10	10.91	3.81		<===

Triple system
2 visible stars in this system

Precise pa	107.8		Precise sep	0.918		Constellation	Cassiopeia		SAO	11453
HIP	4239		Tycho2	4029-00346-1		Gaia DR2	526126385592080000		HD	5110
BD	BD+65 106		Distance	102.25		Distance ly	333.54

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00541+6626	HDS 117	AB	2008	3	110	0.9	7.10	10.91	F0	D	005406.11+662608.0
00541+6626	HDS 117	AB	2010	5	109	0.9	7.10	10.91	F0	D	005406.11+662608.0
00541+6626	HDS 117	AB	2014	7	109	0.9	7.10	10.91	F0		005406.11+662608.0
00541+6626	HDS 117	AB	2018	13	109	0.9	7.10	10.91	F0		005406.11+662608.0

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