19579+2032 BU  981AC

 
 
19h 57m 56.77s +20 32' 27.2" P.A. 56.00 sep 30.3 mag 8.32,12.12 Sp G5 dist. 187.27 pc (610.87 l.y.)
 
 
Coord 2000
19579+2032
Discov num
BU  981
Comp
AC
Coord arcsec 2000
19 57 56.77 +20 32 27.2
Date first
1880
Date last
2015
Obs
10
Pa first
59
Pa last
56
P.A. Now (θ)
56°
Sep first
32.1
Sep last
30.3
Sep. Now (ρ)
30.3"
Mag pri
8.32
Mag sec
12.12
delta mag (ΔM)
3.8
Spectral class
G5 (yellow)
Pri motion ra
+003
Sec motion ra
-008
Pri motion dec
+001
Sec motion dec
+002
Notes
rPM=1.339
This double is not physical.
 
 
19579+2032 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 87985 19579+2032 BU 981 AB 1880 2016 15 107 3.0 8.32 11.40 3.08
Show 87985 19579+2032 BU 981 AC 1880 2015 10 56 30.3 8.32 12.12 3.80 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56
Precise sep
30.25
Constellation
Sagitta
SAO
87985
HIP
98255
Tycho2
1624-00517-1
Gaia DR2
22283747072
HD
350851
BD
BD+20 4357
Distance
187.27
Distance ly
610.87
 
 
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 AC 2000 7 56 30.5 8.32 11.30 G5 D 195756.77+203227.2
19579+2032 BU 981 AC 2001 8 57 30.4 8.32 11.30 G5 D 195756.77+203227.2
19579+2032 BU 981 AC 2013 9 56 30.5 8.32 12.12 G5 195756.77+203227.2
19579+2032 BU 981 AC 2015 10 56 30.3 8.32 12.12 G5 195756.77+203227.2

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