18409+4204 SLW 1220

18^h 40^m 55.58^s +42° 03' 59.7" P.A. 113.00 sep 17.4 mag 19.55,19.51 Sp M7.9+M8.1

Coord 2000	18409+4204	Discov num	SLW1220	Comp		Coord arcsec 2000	18 40 55.58 +42 03 59.7
Date first	1999	Date last	2016	Obs	8
Pa first	113	Pa last	112.6	P.A. Now (θ)	112.6°
Sep first	17.3	Sep last	17.37	Sep. Now (ρ)	17.37"
Mag pri	19.55	Mag sec	19.51	delta mag (ΔM)	0.04	Spectral class	M7.9+M8.1 (red/red)
Pri motion ra	+026	Sec motion ra	+028
Pri motion dec	+052	Sec motion dec	+052
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

Lyra

Gaia DR2

2110763429967940992