01311+1022 GRV  89

Coord 2000	01311+1022		Discov num	GRV  89		Comp			Coord arcsec 2000	01 31 10.02 +10 22 27.7
Date first	1920		Date last	2015		Obs	8
Pa first	119		Pa last	119		P.A. Now (θ)	119°
Sep first	38.1		Sep last	37.5		Sep. Now (ρ)	37.5"
Mag pri	9.75		Mag sec	12.30		delta mag (ΔM)	2.55		Spectral class	K0 (yellow-orange)
Pri motion ra	+049		Sec motion ra	+047
Pri motion dec	-034		Sec motion dec	-032
Notes

rPM=0.047 (< 0.3, Physical double) This double is physical.

Precise pa	118.8		Precise sep	37.526		Constellation	Pisces		SAO	92477
Tycho2	0617-00137-1		Gaia DR2	91896039424

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01311+1022	GRV 89		2000	3	119	37.5	9.60	12.00		D	013110.02+102227.7
01311+1022	GRV 89		2012	5	119	37.6	9.60	12.00		D	013110.02+102227.7
01311+1022	GRV 89		2015	6	119	37.5	9.75	12.30	K0		013110.02+102227.7

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