19296+1800 AG 231 (HD 231581)

19h 29m 34.45s +17° 59' 46.9" P.A. 239.00 sep 4.5 mag 9.93,10.05 Sp F8

Coord 2000 19296+1800 Discov num AG  231 Comp Coord arcsec 2000 19 29 34.45 +17 59 46.9
Date first 1897 Date last 2018 Obs 28
Pa first 237 Pa last 239.3 P.A. Now (θ) 239.3°
Sep first 3.7 Sep last 4.49 Sep. Now (ρ) 4.49"
Mag pri 9.93 Mag sec 10.05 delta mag (ΔM) 0.12 Spectral class F8 (yellow-white)
Pri motion ra +054 Sec motion ra +050
Pri motion dec +009 Sec motion dec +010
Notes T (Parallax indicates physical)




rPM=0.075 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 231581 Constellation Sagitta Tycho2 1605-00199-1 Gaia DR2 4323029104791455232
HD 231581