01393+5257 STF 139 AB (HD 232490)

 
 
01h 39m 18.85s +52° 57' 12.9" P.A. 39.00 sep 9.2 mag 9.89,10.27 Sp A
 
 
Coord 2000 01393+5257 Discov num STF 139 Comp AB Coord arcsec 2000 01 39 18.85 +52 57 12.9
Date first 1827 Date last 2015 Obs 55
Pa first 45 Pa last 39.1 P.A. Now (θ) 39.1°
Sep first 10.0 Sep last 9.212 Sep. Now (ρ) 9.212"
Mag pri 9.89 Mag sec 10.27 delta mag (ΔM) 0.38 Spectral class A (white)
Pri motion ra +002 Sec motion ra -003
Pri motion dec -007 Sec motion dec -005
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.74
This double is not physical.
 
 
01393+5257 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 232490 22476 01 39 19 +52 57 13 STF 139 AB 2015 55 39 9.2 9.89 10.27 0.38 <===
Show 22476 01 39 19 +52 57 13 STF 139 AC 2015 26 85 114.6 9.89 10.85 0.96
Show 01 39 20 +52 57 20 STF 139 BC 2015 11 88 108.3 10.85 10.27 0.58
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 232490 Constellation Perseus SAO 22476 Tycho2 3671-02316-1
Gaia DR2 407217501583164160 HD 232490 GC 1983 ADS 1289