18169+6415 SLW 1218

 
 
18h 16m 56.05s +64° 14' 40.2" P.A. 44.00 sep 12.7 mag 16.71,17.69 Sp M4.2+M4.8
 
 
Coord 2000 18169+6415 Discov num SLW1218 Comp Coord arcsec 2000 18 16 56.05 +64 14 40.2
Date first 1994 Date last 2016 Obs 20
Pa first 44 Pa last 44.3 P.A. Now (θ) 44.3°
Sep first 12.6 Sep last 12.656 Sep. Now (ρ) 12.656"
Mag pri 16.71 Mag sec 17.69 delta mag (ΔM) 0.98 Spectral class M4.2+M4.8 (red/red)
Pri motion ra -041 Sec motion ra -042
Pri motion dec -247 Sec motion dec -249
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.009 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 2161221809567527936