18401+0321 AG 224 (HD 172425)

 
 
18h 40m 05.03s +03° 21' 24.0" P.A. 348.00 sep 22.1 mag 8.75,10.01 Sp B9.5V dist. 869.57 pc (2836.54 l.y.)
 
 
Coord 2000 18401+0321 Discov num AG  224 Comp Coord arcsec 2000 18 40 05.03 +03 21 24.0
Date first 1902 Date last 2015 Obs 23
Pa first 349 Pa last 347.8 P.A. Now (θ) 347.8°
Sep first 21.9 Sep last 22.111 Sep. Now (ρ) 22.111"
Mag pri 8.75 Mag sec 10.01 delta mag (ΔM) 1.26 Spectral class B9.5V (blue-white)
Pri motion ra +007 Sec motion ra +007
Pri motion dec -005 Sec motion dec -006
Notes V (Proper motion indicates physical)
rPM=0.108 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172425 Constellation Serpens SAO 123786 HIP 91537
Tycho2 0451-00286-1 Gaia DR2 4280089224370098944 HD 172425 BD BD+03 3769
Distance 869.57 Distance ly 2836.54