14172+1646 SLW 988

14^h 17^m 10.52^s +16° 45' 53.2" P.A. 159.00 sep 21.3 mag 16.54,17.88 Sp M2.4+M3.4

Coord 2000	14172+1646	Discov num	SLW 988	Comp		Coord arcsec 2000	14 17 10.52 +16 45 53.2
Date first	1950	Date last	2016	Obs	13
Pa first	159	Pa last	159.2	P.A. Now (θ)	159.2°
Sep first	21.3	Sep last	21.349	Sep. Now (ρ)	21.349"
Mag pri	16.54	Mag sec	17.88	delta mag (ΔM)	1.34	Spectral class	M2.4+M3.4 (red/red)
Pri motion ra	-100	Sec motion ra	-102
Pri motion dec	+037	Sec motion dec	+034
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.034 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Bootes

Gaia DR2

1232604971993144576