21154+3745 SMA 146

 
 
21h 15m 26.37s +37° 45' 08.7" P.A. 7.00 sep 4.5 mag 12.50,13.00
 
 
Coord 2000 21154+3745 Discov num SMA 146 Comp Coord arcsec 2000 21 15 26.37 +37 45 08.7
Date first 1923 Date last 2015 Obs 4
Pa first 5 Pa last 6.9 P.A. Now (θ) 6.9°
Sep first 4.4 Sep last 4.462 Sep. Now (ρ) 4.462"
Mag pri 12.50 Mag sec 13.00 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -005 Sec motion ra +003
Pri motion dec -020 Sec motion dec +014
Notes
rPM=1.694
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1964772371975177472