17376-1524 RST 5090 AB

 
 
17h 37m 35.23s -15° 23' 54.3" P.A. 78.00 sep 24.5 mag 3.54,13.00 Sp F0IV dist. 32.28 pc (105.3 l.y.)
 
 
Coord 2000 17376-1524 Discov num RST5090 Comp AB Coord arcsec 2000 17 37 35.23 -15 23 54.3
Date first 1943 Date last 2015 Obs 7
Pa first 81 Pa last 78.4 P.A. Now (θ) 78.4°
Sep first 24.5 Sep last 24.505 Sep. Now (ρ) 24.505"
Mag pri 3.54 Mag sec 13.00 delta mag (ΔM) 9.46 Spectral class F0IV (yellow-white)
Pri motion ra -042 Sec motion ra -044
Pri motion dec -060 Sec motion dec -050
Notes N T (See Notes, Parallax indicates physical)
rPM=0.139 (< 0.3, Physical double)
This double is physical.
 
 
17376-1524 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Xi Ser 160700 17 37 35 -15 23 54 ISO 6 Aa,Ab 1987 1 132 0.3 3.54
Show 160700 17 37 35 -15 23 54 RST 5090 AB 2015 7 78 24.5 3.54 13.00 9.46 <===
Show 160700 17 37 35 -15 23 54 DRS 61 AC 2000 3 58 999.9 3.55 13.82 10.27
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV9270 Ser Constellation Serpens SAO 160700 HIP 86263
Tycho2 6248-01369-1 Gaia DR2 4125171197089493888 HD 159876 HR 6561
GC 23881 BD BD-15 4621 Bayer Xi Serpentis Bayer name Xi Ser
Flamsteed 55 Serpentis Flamsteed name 55 Ser FK5 658 Distance 32.28
Distance ly 105.3 Bayer greek ξ Ser