21138+3812 SMA 144

 
 
21h 13m 49.48s +38° 12' 55.3" P.A. 327.00 sep 15.3 mag 11.00,11.50
 
 
Coord 2000 21138+3812 Discov num SMA 144 Comp Coord arcsec 2000 21 13 49.48 +38 12 55.3
Date first 1923 Date last 2023 Obs 9
Pa first 320 Pa last 326.5 P.A. Now (θ) 326.5°
Sep first 16.6 Sep last 15.262 Sep. Now (ρ) 15.262"
Mag pri 11.00 Mag sec 11.50 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -007 Sec motion ra +013
Pri motion dec +006 Sec motion dec +006
Notes S (Parallax indidates non-physical)
rPM=1.397
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1964984891262359296