19410+3237 BLL 41 AB (TT Cyg)

 
 
19h 40m 57.00s +32 37' 05.7" P.A. 211.00 sep 70.3 mag 7.88,12.32 Sp N dist. 561.8 pc (1832.59 l.y.)
 
 
Coord 2000 19410+3237 Discov num BLL  41 Comp AB Coord arcsec 2000 19 40 57.00 +32 37 05.7
Date first 1878 Date last 2015 Obs 10
Pa first 213 Pa last 211.3 P.A. Now (θ) 211.3°
Sep first 71.5 Sep last 70.266 Sep. Now (ρ) 70.266"
Mag pri 7.88 Mag sec 12.32 delta mag (ΔM) 4.44 Spectral class N (deep red)
Pri motion ra -005 Sec motion ra -002
Pri motion dec -002 Sec motion dec -003
Notes N (See Notes)
rPM=0.587
Nature of this double is uncertain.
 
 
19410+3237 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show TT Cyg 68688 19 40 57 +32 37 06 BLL 41 AB 2015 10 211 70.3 7.88 12.32 4.44 <===
Show 68688 19 40 57 +32 37 06 BLL 41 AC 2015 5 49 83.4 7.88 12.44 4.56
Show 68688 19 40 57 +32 37 06 BLL 41 AD 2015 5 268 93.4 7.88 12.08 4.20
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name TT Cyg Constellation Cygnus SAO 68688 HIP 96836
Tycho2 2660-03137-1 Gaia DR2 2033371731400197888 HD 186047 BD BD+32 3522
Distance 561.8 Distance ly 1832.59