20111+1611 ENG  71AB

 
 
20h 11m 06.07s +16 11' 16.7" P.A. 148 sep 212.3 mag 7.42,9.67 Sp K1V dist. 20.39 pc (66.51 l.y.)
 
 
Coord 2000
20111+1611
Discov num
ENG  71
Comp
AB
Coord arcsec 2000
20 11 06.07 +16 11 16.7
Date first
1893
Date last
2015
Obs
14
Pa first
153
Pa last
148
P.A. Now (θ)
148°
Sep first
144.0
Sep last
212.3
Sep. Now (ρ)
212.3"
Mag pri
7.42
Mag sec
9.67
delta mag (ΔM)
2.25
Spectral class
K1V (yellow-orange)
Pri motion ra
-415
Sec motion ra
-024
Pri motion dec
+398
Sec motion dec
-027
Notes
N L (See Notes, Linear solution)
rPM=1.004
This double is not 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
147.9
Precise sep
212.318
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 ENG 71 AB 2002 9 148 205.4 7.42 9.67 K1V LD 201106.07+161116.7
20111+1611 ENG 71 AB 2008 10 147 209.2 7.42 9.67 K1V LD 201106.07+161116.7
20111+1611 ENG 71 AB 2013 12 148 209.2 7.42 9.67 K1V NL 201106.07+161116.7
20111+1611 ENG 71 AB 2014 13 148 212.0 7.42 9.67 K1V NL 201106.07+161116.7
20111+1611 ENG 71 AB 2015 14 148 212.3 7.42 9.67 K1V NL 201106.07+161116.7

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