20156+1958 ROE 101AD

 
 
20h 15m 36.94s +19 58' 29.5" P.A. 289 sep 11.9 mag 8.38,11.30 Sp G8III
 
 
Coord 2000
20156+1958
Discov num
ROE 101
Comp
AD
Coord arcsec 2000
20 15 36.94 +19 58 29.5
Date first
1916
Date last
2015
Obs
11
Pa first
270
Pa last
289
P.A. Now (θ)
289°
Sep first
14.0
Sep last
11.9
Sep. Now (ρ)
11.9"
Mag pri
8.38
Mag sec
11.30
delta mag (ΔM)
2.92
Spectral class
G8III (yellow)
Pri motion ra
-030
Sec motion ra
-007
Pri motion dec
-050
Sec motion dec
-001
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.928
This double is not physical.
 
 
20156+1958 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20156+1958 ROE 101 AB 1895 2015 15 53 12.7 8.38 9.60 1.22
Show 20156+1958 ROE 101 AC 1916 2015 10 187 40.9 8.38 12.34 3.96
Show 20156+1958 ROE 101 AD 1916 2015 11 289 11.9 8.38 11.30 2.92 <===
Show 20156+1958 ROE 101 AE 1916 2015 9 59 46.1 8.38 13.76 5.38
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288.7
Precise sep
11.918
Constellation
Sagitta
SAO
105904
Tycho2
1626-00831-1
Gaia DR2
04461110784
HD
192714
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20156+1958 ROE 101 AD 2000 3 287 11.9 8.38 11.30 G8III D 201536.94+195829.5
20156+1958 ROE 101 AD 2011 4 289 12.0 8.38 11.30 G8III NUD 201536.94+195829.5
20156+1958 ROE 101 AD 2013 6 288 11.9 8.38 11.30 G8III NU 201536.94+195829.5
20156+1958 ROE 101 AD 2015 7 289 11.9 8.38 11.30 G8III NU 201536.94+195829.5

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