01020+4001 GRV  63

Coord 2000	01020+4001		Discov num	GRV  63		Comp			Coord arcsec 2000	01 02 01.70 +40 01 47.4
Date first	1928		Date last	2010		Obs	4
Pa first	188		Pa last	189		P.A. Now (θ)	189°
Sep first	28.9		Sep last	28.6		Sep. Now (ρ)	28.6"
Mag pri	11.10		Mag sec	12.82		delta mag (ΔM)	1.72		Spectral class
Pri motion ra	+037		Sec motion ra	+039
Pri motion dec	-023		Sec motion dec	-013
Notes

rPM=0.234 (< 0.3, Physical double) This double is physical.

Precise pa	188.5		Precise sep	28.6		Constellation	Andromeda		Tycho2	2803-01633-1
last precise pa	188.5		last precise sep	28.6

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01020+4001	GRV 63		2000	3	188	28.6	10.90	12.40		D	010201.70+400147.4
01020+4001	GRV 63		2002	4	188	28.5	10.90	12.40		D	010201.70+400147.4
01020+4001	GRV 63		2010	4	188	28.6	11.10	12.82			010201.70+400147.4

If you need more information about this double, apply for a data request form to the WDS.