21011+3315 LDT 18 AD

 
 
21h 01m 16.12s +33° 14' 32.8" P.A. 355.00 sep 0.3 mag 12.10,14.10 Sp M4V
 
 
Coord 2000 21011+3315 Discov num LDT  18 Comp AD Coord arcsec 2000 21 01 16.12 +33 14 32.8
Date first 2017 Date last 2018 Obs 3
Pa first 349 Pa last 355.2 P.A. Now (θ) 355.2°
Sep first 0.3 Sep last 0.287 Sep. Now (ρ) 0.287"
Mag pri 12.10 Mag sec 14.10 delta mag (ΔM) 2 Spectral class M4V (red)
Pri motion ra +326 Sec motion ra
Pri motion dec -164 Sec motion dec
Notes R (Red magnitudes)
Nature of this double is uncertain.
 
 
21011+3315 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 01 16 +33 14 33 LDS 1049 AB 2015 9 95 56.6 12.20 13.10 0.90
Show 21 01 16 +33 14 33 LDT 18 AD 2018 3 355 0.3 12.10 14.10 2.00 <===
Show 21 01 21 +33 14 28 JNN 288 BC 2012 1 34 0.1 13.10 14.00 0.90
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus