00553+2310 HDS 122 (GP And)

Coord 2000	00553+2310		Discov num	HDS 122		Comp			Coord arcsec 2000	00 55 18.15 +23 09 49.4
Date first	1991		Date last	2015		Obs	11
Pa first	110		Pa last	110		P.A. Now (θ)	110°
Sep first	11.1		Sep last	11.1		Sep. Now (ρ)	11.1"
Mag pri	10.81		Mag sec	12.53		delta mag (ΔM)	1.72		Spectral class	A3 (white)
Pri motion ra	+027		Sec motion ra	+032
Pri motion dec	+001		Sec motion dec	-005
Notes

rPM=0.241 (< 0.3, Physical double) This double is physical.

Precise pa	109.5		Precise sep	11.094		Var name	GP And		Constellation	Andromeda
HIP	4322		Tycho2	1739-01526-1		Gaia DR2	58418824704		Distance	94.07
Distance ly	306.86

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00553+2310	HDS 122		1998	4	109	11.0	10.81	12.53	A3	D	005518.15+230949.4
00553+2310	HDS 122		2003	5	110	11.1	10.81	12.53	A3	D	005518.15+230949.4
00553+2310	HDS 122		2010	7	109	10.6	10.81	12.53	A3		005518.15+230949.4
00553+2310	HDS 122		2015	8	110	11.1	10.81	12.53	A3		005518.15+230949.4

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