21291+4202 TDT 2987

 
 
21h 29m 05.45s +42° 01' 45.8" P.A. 37.00 sep 0.5 mag 10.70,11.00
 
 
Coord 2000 21291+4202 Discov num TDT2987 Comp Coord arcsec 2000 21 29 05.45 +42 01 45.8
Date first 1991 Date last 1991 Obs 1
Pa first 37 Pa last 37.2 P.A. Now (θ) 37.2°
Sep first 0.5 Sep last 0.46 Sep. Now (ρ) 0.46"
Mag pri 10.70 Mag sec 11.00 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +007 Sec motion ra +007
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3190-01046-1 Gaia DR2 1967190614665920384