21397+1423 LDS 4901

 
 
21h 39m 42.27s +14° 23' 06.9" P.A. 319.00 sep 18.4 mag 16.50,17.71 Sp M5+M6
 
 
Coord 2000 21397+1423 Discov num LDS4901 Comp Coord arcsec 2000 21 39 42.27 +14 23 06.9
Date first 1960 Date last 2016 Obs 10
Pa first 320 Pa last 319.3 P.A. Now (θ) 319.3°
Sep first 18.0 Sep last 18.409 Sep. Now (ρ) 18.409"
Mag pri 16.50 Mag sec 17.71 delta mag (ΔM) 1.21 Spectral class M5+M6 (red/red)
Pri motion ra -018 Sec motion ra -016
Pri motion dec -104 Sec motion dec -108
Notes V (Proper motion indicates physical)
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1770613878528681344