18448+3736 BU 968 AB

 
 
18h 44m 46.36s +37° 36' 18.4" P.A. 50.00 sep 22.3 mag 4.34,15.80 Sp F0IVv dist. 47.87 pc (156.15 l.y.)
 
 
Coord 2000 18448+3736 Discov num BU  968 Comp AB Coord arcsec 2000 18 44 46.36 +37 36 18.4
Date first 1889 Date last 2012 Obs 9
Pa first 49 Pa last 49.6 P.A. Now (θ) 49.6°
Sep first 26.9 Sep last 22.27 Sep. Now (ρ) 22.27"
Mag pri 4.34 Mag sec 15.80 delta mag (ΔM) 11.46 Spectral class F0IVv (yellow-white)
Pri motion ra +029 Sec motion ra
Pri motion dec +027 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18448+3736 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 67321 18 44 46 +37 36 18 BU 968 AB 2012 9 50 22.3 4.34 15.80 11.46 <===
Show 67321 18 44 46 +37 36 18 BU 968 AC 2012 8 270 48.9 4.34 13.30 8.96
Show Zet2 Lyr 67321 18 44 46 +37 36 18 STFA 38 AD 2018 115 150 43.7 4.34 5.62 1.28
Show 67321 18 44 46 +37 36 18 BU 968 AE 2012 9 298 62.5 4.34 13.50 9.16
Show 67321 18 44 46 +37 36 18 FYM 42 AF 2012 3 330 77.5 4.34 13.70 9.36
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV11308 Lyr Constellation Lyra SAO 67321 HIP 91971
Tycho2 3118-02080-1 Gaia DR2 2096875399811529472 HD 173648 HR 7056
GC 25676 ADS 11639 BD BD+37 3222 Bayer Zeta 1 Lyrae
Bayer name Zet1 Lyr Flamsteed 6 Lyrae Flamsteed name 6 Lyr Distance 47.87
Distance ly 156.15 Bayer greek ζ1 Lyr