18177+3455 ES 2231

 
 
18h 17m 39.36s +34° 55' 06.3" P.A. 257.00 sep 7.6 mag 10.08,11.84 Sp M5 dist. 196.85 pc (642.12 l.y.)
 
 
Coord 2000 18177+3455 Discov num ES 2231 Comp Coord arcsec 2000 18 17 39.36 +34 55 06.3
Date first 1926 Date last 2020 Obs 14
Pa first 270 Pa last 257.4 P.A. Now (θ) 257.4°
Sep first 7.5 Sep last 7.59 Sep. Now (ρ) 7.59"
Mag pri 10.08 Mag sec 11.84 delta mag (ΔM) 1.76 Spectral class M5 (red)
Pri motion ra +006 Sec motion ra +005
Pri motion dec +013 Sec motion dec -011
Notes
rPM=1.678
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra HIP 89645 Tycho2 2630-00198-1 Gaia DR2 4605548239582687488
BD BD+34 3173 Distance 196.85 Distance ly 642.12