20156+1958 ROE 101AC

 
 
20h 15m 36.94s +19 58' 29.5" P.A. 187 sep 40.9 mag 8.38,12.34 Sp G8III
 
 
Coord 2000
20156+1958
Discov num
ROE 101
Comp
AC
Coord arcsec 2000
20 15 36.94 +19 58 29.5
Date first
1916
Date last
2015
Obs
10
Pa first
190
Pa last
187
P.A. Now (θ)
187°
Sep first
44.9
Sep last
40.9
Sep. Now (ρ)
40.9"
Mag pri
8.38
Mag sec
12.34
delta mag (ΔM)
3.96
Spectral class
G8III (yellow)
Pri motion ra
-030
Sec motion ra
+002
Pri motion dec
-050
Sec motion dec
-018
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.776
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
186.9
Precise sep
40.935
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 AC 2000 4 187 41.2 8.38 11.70 G8III D 201536.94+195829.5
20156+1958 ROE 101 AC 2001 5 187 41.7 8.38 11.70 G8III NUD 201536.94+195829.5
20156+1958 ROE 101 AC 2015 6 187 41.0 8.38 12.34 G8III NU 201536.94+195829.5

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