19579+2032 BU  981AB

 
 
19h 57m 56.77s +20 32' 27.2" P.A. 107 sep 3 mag 8.32,11.40 Sp G5
 
 
Coord 2000
19579+2032
Discov num
BU  981
Comp
AB
Coord arcsec 2000
19 57 56.77 +20 32 27.2
Date first
1880
Date last
2016
Obs
15
Pa first
111
Pa last
107
P.A. Now (θ)
107°
Sep first
3.1
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
8.32
Mag sec
11.40
delta mag (ΔM)
3.08
Spectral class
G5 (yellow)
Pri motion ra
+006
Sec motion ra
+010
Pri motion dec
+002
Sec motion dec
+001
Notes
rPM=0.41
Nature of this double is uncertain.
 
 
19579+2032 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19579+2032 BU 981 AB 1880 2016 15 107 3.0 8.32 11.40 3.08 <===
Show 19579+2032 BU 981 AC 1880 2013 9 56 30.5 8.32 12.12 3.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.9
Precise sep
3.04
Constellation
Sagitta
Tycho2
1624-00517-1
HD
350851
last precise pa
106.9
last precise sep
3.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19579+2032 BU 981 AB 1991 13 109 3.2 8.32 11.40 G5 195756.77+203227.2
19579+2032 BU 981 AB 2016 15 107 3.0 8.32 11.40 G5 195756.77+203227.2

If you need more information about this double, apply for a data request form to the WDS.