13187-1632 GWP1971

Coord 2000	13187-1632		Discov num	GWP1971		Comp			Coord arcsec 2000	13 18 41.95 -16 31 55.6
Date first	1988		Date last	2010		Obs	3
Pa first	17		Pa last	17		P.A. Now (θ)	17°
Sep first	21.6		Sep last	21.8		Sep. Now (ρ)	21.8"
Mag pri	16.00		Mag sec	18.30		delta mag (ΔM)	2.3		Spectral class
Pri motion ra	-030		Sec motion ra	-032
Pri motion dec	-046		Sec motion dec	-046
Notes	V R (Proper motion indicates physical, Red magnitudes)

This double is physical.

Constellation

Virgo

last precise pa

16.6

last precise sep

21.82

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
13187-1632	GWP1971		1998	2	17	21.7	16.00	18.30		V R	131841.95-163155.6
13187-1632	GWP1971		2010	3	17	21.8	16.00	18.30		V R	131841.95-163155.6

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