20111+1611 GIC 163AE

 
 
20h 11m 06.07s +16 11' 16.7" P.A. 92 sep 107.7 mag 7.42,13.93 Sp K1V+M4 dist. 20.39 pc (66.51 l.y.)
 
 
Coord 2000
20111+1611
Discov num
GIC 163
Comp
AE
Coord arcsec 2000
20 11 06.07 +16 11 16.7
Date first
1962
Date last
2015
Obs
10
Pa first
96
Pa last
92
P.A. Now (θ)
92°
Sep first
108.0
Sep last
107.7
Sep. Now (ρ)
107.7"
Mag pri
7.42
Mag sec
13.93
delta mag (ΔM)
6.51
Spectral class
K1V+M4 (yellow-orange/red)
Pri motion ra
-415
Sec motion ra
-432
Pri motion dec
+398
Sec motion dec
+399
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
20111+1611 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20111+1611 ENG 71 AB 1893 2015 14 148 212.3 7.42 9.67 2.25
Show 20111+1611 HZG 15 AD 1904 2015 14 255 35.3 7.42 11.21 3.79
Show 20111+1611 GIC 163 AE 1962 2015 10 92 107.7 7.42 13.93 6.51 <===
Show 20111+1611 BUP 205 BC 1904 2015 15 273 61.8 9.67 12.65 2.98
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
91.9
Precise sep
107.701
Constellation
Sagitta
SAO
105793
HIP
99452
Tycho2
1618-00827-1
Gaia DR2
87260517760
HD
191785
GL
Gl 783.2A
BD
BD+15 4074
Distance
20.39
Distance ly
66.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20111+1611 GIC 163 AE 2000 4 95 103.8 7.42 13.64 K1V N DV 201106.07+161116.7
20111+1611 GIC 163 AE 2008 5 95 104.1 7.42 13.64 K1V N DV 201106.07+161116.7
20111+1611 GIC 163 AE 2013 7 95 103.2 7.42 13.93 K1V NV 201106.07+161116.7
20111+1611 GIC 163 AE 2014 8 95 103.9 7.42 13.93 K1V+M4 NV 201106.07+161116.7
20111+1611 GIC 163 AE 2015 10 92 107.7 7.42 13.93 K1V+M4 NV 201106.07+161116.7

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