17376-1524 RST5090AB (Xi Ser)

 
 
17H 37M 35.23S -15 23' 54.3" P.A. 78 SEP 24.9 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
2012
Obs
5
Pa first
81
Pa last
78
P.A. Now (θ)
78°
Sep first
24.5
Sep last
24.9
Sep. Now (ρ)
24.9"
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
Pri motion dec
-058
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17376-1524 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 160700 17376-1524 ISO 6 Aa,Ab 1987 1987 1 132 0.3 3.54
Show Xi Ser 160700 17376-1524 RST5090 AB 1943 2012 5 78 24.9 3.54 13.00 9.46 <===
Show 160700 17376-1524 DRS 61 AC 1998 2000 3 58 999.9 3.55 13.82 10.27
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Xi Ser
Constellation
Serpens
SAO
160700
HIP
86263
Tycho2
6248-01369-1
HD
159876
HR
6561
GC
23881
BD
BD-15 4621
Bayer
Xi Serpentis
Bayer name
Xi Ser
Flamsteed
55 Serpentis
Flamsteed name
55 Ser
Distance
32.28
Distance ly
105.3
last precise pa
78.2
last precise sep
24.85