20170+3725 A 1423 AB (HD 193077)

 
 
20h 17m 00.03s +37° 25' 23.8" P.A. 128.00 sep 4.4 mag 8.11,12.10 Sp WN dist. 172.12 pc (561.46 l.y.)
 
 
Coord 2000 20170+3725 Discov num A  1423 Comp AB Coord arcsec 2000 20 17 00.03 +37 25 23.8
Date first 1906 Date last 2016 Obs 9
Pa first 128 Pa last 128.1 P.A. Now (θ) 128.1°
Sep first 4.6 Sep last 4.35 Sep. Now (ρ) 4.35"
Mag pri 8.11 Mag sec 12.10 delta mag (ΔM) 3.99 Spectral class WN (Wolf-Rayet)
Pri motion ra -005 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20170+3725 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69755 20 17 00 +37 25 24 CIA 9 Aa1,2 2013 1 305 0.0 7.20 8.00 0.80
Show 69755 20 17 00 +37 25 24 HDS 2891 Aa,Ab 2016 4 55 0.9 8.11 11.25 3.14
Show HD 193077 69755 20 17 00 +37 25 24 A 1423 AB 2016 9 128 4.4 8.11 12.10 3.99 <===
Quadruple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193077 Constellation Cygnus SAO 69755 HIP 99982
Tycho2 2684-00857-1 Gaia DR2 2060661846184974464 HD 193077 ADS 13641
BD BD+36 3987 Distance 172.12 Distance ly 561.46