18091+3101 BKO 51 BC

 
 
18h 09m 02.98s +31° 02' 06.1" P.A. 207.00 sep 19.0 mag 11.08,13.20
 
 
Coord 2000 18091+3101 Discov num BKO  51 Comp BC Coord arcsec 2000 18 09 02.98 +31 02 06.1
Date first 1998 Date last 2015 Obs 8
Pa first 206 Pa last 206.8 P.A. Now (θ) 206.8°
Sep first 19.2 Sep last 19.01 Sep. Now (ρ) 19.01"
Mag pri 11.08 Mag sec 13.20 delta mag (ΔM) 2.12 Spectral class
Pri motion ra +014 Sec motion ra +000
Pri motion dec -009 Sec motion dec +011
Notes N (See Notes)
rPM=1.467
This double is not physical.
 
 
18091+3101 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show T Her 66680 18 09 06 +31 01 16 BLL 31 AB 2015 19 320 64.5 10.04 11.08 1.04
Show 18 09 03 +31 02 06 BKO 51 BC 2015 8 207 19.0 11.08 13.20 2.12 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2622-01164-1 Gaia DR2 4591152226463490176 DM BD+31 3185