21002+4027 TDT 2688

 
 
21h 00m 09.77s +40° 26' 42.8" P.A. 104.00 sep 0.5 mag 11.01,11.07
 
 
Coord 2000 21002+4027 Discov num TDT2688 Comp Coord arcsec 2000 21 00 09.77 +40 26 42.8
Date first 1991 Date last 1991 Obs 1
Pa first 104 Pa last 103.8 P.A. Now (θ) 103.8°
Sep first 0.5 Sep last 0.47 Sep. Now (ρ) 0.47"
Mag pri 11.01 Mag sec 11.07 delta mag (ΔM) 0.06 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-01843-1 Gaia DR2 1873360491371657984