19538+4123 ES 1672 AB (HD 188461)

 
 
19h 53m 38.49s +41 21' 20.8" P.A. 48.00 sep 127.6 mag 6.95,10.86 Sp B2IV dist. 537.63 pc (1753.75 l.y.)
 
 
Coord 2000 19538+4123 Discov num ES 1672 Comp AB Coord arcsec 2000 19 53 38.49 +41 21 20.8
Date first 1892 Date last 2002 Obs 7
Pa first 49 Pa last 48 P.A. Now (θ) 48°
Sep first 127.0 Sep last 127.582 Sep. Now (ρ) 127.582"
Mag pri 6.95 Mag sec 10.86 delta mag (ΔM) 3.91 Spectral class B2IV (blue-white)
Pri motion ra -003 Sec motion ra -004
Pri motion dec -013 Sec motion dec -008
Notes
rPM=0.382
Nature of this double is uncertain.
 
 
19538+4123 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 188461 48943 19 53 38 +41 21 21 ES 1672 AB 2002 7 48 127.6 6.95 10.86 3.91 <===
Show 19 53 47 +41 22 46 ES 1672 BC 2005 3 111 2.4 10.86 12.50 1.64
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188461 Constellation Cygnus SAO 48943 HIP 97895
Tycho2 3145-02518-1 Gaia DR2 2073883580901313664 HD 188461 GC 27564
BD BD+40 3931 Distance 537.63 Distance ly 1753.75