02090+5745 STI 1791 AB

 
 
02h 08m 59.32s +57° 44' 38.8" P.A. 302.00 sep 12.2 mag 10.52,12.10 Sp OB-
 
 
Coord 2000 02090+5745 Discov num STI1791 Comp AB Coord arcsec 2000 02 08 59.32 +57 44 38.8
Date first 1911 Date last 2015 Obs 7
Pa first 306 Pa last 302.1 P.A. Now (θ) 302.1°
Sep first 12.8 Sep last 12.221 Sep. Now (ρ) 12.221"
Mag pri 10.52 Mag sec 12.10 delta mag (ΔM) 1.58 Spectral class OB- (blue)
Pri motion ra -002 Sec motion ra -006
Pri motion dec -002 Sec motion dec -011
Notes N (See Notes)
rPM=0.786
Nature of this double is uncertain.
 
 
02090+5745 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 02 08 59 +57 44 39 TDS 2135 Aa,Ab 1991 1 239 0.5 11.16 11.18 0.02
Show 02 08 59 +57 44 39 STI 1791 AB 2015 7 302 12.2 10.52 12.10 1.58 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus Tycho2 3693-01346-1 Gaia DR2 506677188832005120