18011+4521 STF 3129 (HD 164898)

 
 
18h 01m 07.16s +45° 21' 03.3" P.A. 168.00 sep 30.8 mag 7.59,10.64 Sp B9 dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000 18011+4521 Discov num STF3129 Comp Coord arcsec 2000 18 01 07.16 +45 21 03.3
Date first 1830 Date last 2015 Obs 20
Pa first 169 Pa last 167.7 P.A. Now (θ) 167.7°
Sep first 31.1 Sep last 30.76 Sep. Now (ρ) 30.76"
Mag pri 7.59 Mag sec 10.64 delta mag (ΔM) 3.05 Spectral class B9 (blue-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec +022 Sec motion dec +023
Notes
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164898 Constellation Hercules SAO 47139 HIP 88239
Tycho2 3524-01868-1 Gaia DR2 2115973848068418048 HD 164898 GC 24549
BD BD+45 2643 Distance 132.28 Distance ly 431.5