19490+1909 STF 2585 AB,C (Zet Sge)

 
 
19h 48m 58.65s +19° 08' 31.1" P.A. 311.00 sep 8.3 mag 5.04,9.01 Sp A1V dist. 78.19 pc (255.06 l.y.)
 
 
Coord 2000 19490+1909 Discov num STF2585 Comp AB,C Coord arcsec 2000 19 48 58.65 +19 08 31.1
Date first 1819 Date last 2016 Obs 131
Pa first 310 Pa last 310.9 P.A. Now (θ) 310.9°
Sep first 8.8 Sep last 8.26 Sep. Now (ρ) 8.26"
Mag pri 5.04 Mag sec 9.01 delta mag (ΔM) 3.97 Spectral class A1V (white)
Pri motion ra +019 Sec motion ra +035
Pri motion dec +027 Sec motion dec +001
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.872
This double is physical.
 
 
19490+1909 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 105298 19 48 59 +19 08 31 AGC 11 AB 2010 261 174 0.2 5.64 6.04 0.40 Y
Show Zet Sge 105298 19 48 59 +19 08 31 STF 2585 AB,C 2016 131 311 8.3 5.04 9.01 3.97 <===
Show 105298 19 48 59 +19 08 31 STF 2585 AB,D 2005 10 246 76.0 5.04 11.00 5.96
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Zet Sge Constellation Sagitta SAO 105298 HIP 97496
Tycho2 1623-02647-1 HD 187362 HR 7546 GC 27431
ADS 12973 BD BD+18 4254 Bayer Zeta Sagittae Bayer name Zet Sge
Flamsteed 8 Sagittae Flamsteed name 8 Sge Distance 78.19 Distance ly 255.06
Bayer greek ζ Sge