21161+2951 BWL 56 AE

 
 
21h 16m 05.81s +29° 51' 50.8" P.A. 226.00 sep 4.4 mag 7.86,19.40 Sp M4.0
 
 
Coord 2000 21161+2951 Discov num BWL  56 Comp AE Coord arcsec 2000 21 16 05.81 +29 51 50.8
Date first 2011 Date last 2012 Obs 2
Pa first 225 Pa last 226.1 P.A. Now (θ) 226.1°
Sep first 4.2 Sep last 4.402 Sep. Now (ρ) 4.402"
Mag pri 7.86 Mag sec 19.40 delta mag (ΔM) 11.54 Spectral class M4.0 (red)
Pri motion ra +206 Sec motion ra
Pri motion dec +035 Sec motion dec
Notes N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
 
 
21161+2951 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 16 06 +29 51 51 BWL 56 Aa,Ab 2018 5 163 0.1 8.50 8.80 0.30
Show 21 16 06 +29 51 51 LDS 1053 AB 2016 12 259 26.0 12.89 13.83 0.94
Show 21 16 06 +29 51 51 BWL 56 AC 2012 2 77 3.4 7.86 20.10 12.24
Show 21 16 06 +29 51 51 BWL 56 AD 2012 2 200 2.6 7.86 18.40 10.54
Show 21 16 06 +29 51 51 BWL 56 AE 2012 2 226 4.4 7.86 19.40 11.54 <===
Show 21 16 04 +29 51 46 BWL 56 BF 2011 2 233 3.5 8.66 23.10 14.44
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1851868127125091840