01576+3134 STF 187 AB

 
 
01h 57m 33.16s +31 34' 09.9" P.A. 189.00 sep 10.9 mag 9.68,11.90 Sp G5
 
 
Coord 2000 01576+3134 Discov num STF 187 Comp AB Coord arcsec 2000 01 57 33.16 +31 34 09.9
Date first 1906 Date last 2015 Obs 9
Pa first 180 Pa last 189.4 P.A. Now (θ) 189.4°
Sep first 13.1 Sep last 10.91 Sep. Now (ρ) 10.91"
Mag pri 9.68 Mag sec 11.90 delta mag (ΔM) 2.22 Spectral class G5 (yellow)
Pri motion ra -004 Sec motion ra -010
Pri motion dec -046 Sec motion dec -020
Notes
rPM=0.578
Nature of this double is uncertain.
 
 
01576+3134 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 01 57 33 +31 34 10 STF 187 AB 2015 9 189 10.9 9.68 11.90 2.22 <===
Show 01 57 33 +31 34 10 BAR 21 AD 2015 9 244 19.8 9.68 15.50 5.82
Show 01 57 33 +31 33 59 BAR 21 BC 2016 4 253 2.3 11.90 15.90 4.00
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Triangulum Tycho2 2308-01036-1 Gaia DR2 304561735892535040