20275-0206 S   749CD

 
 
20h 27m 25.88s -02 05' 33.4" P.A. 239 sep 78.1 mag 10.80,11.00 dist. 45.79 pc (149.37 l.y.)
 
 
Coord 2000
20275-0206
Discov num
S   749
Comp
CD
Coord arcsec 2000
20 27 25.88 -02 05 33.4
Date first
1891
Date last
2015
Obs
11
Pa first
241
Pa last
239
P.A. Now (θ)
239°
Sep first
77.7
Sep last
78.1
Sep. Now (ρ)
78.1"
Mag pri
10.80
Mag sec
11.00
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+000
Sec motion ra
-017
Pri motion dec
+001
Sec motion dec
-031
Notes
N (See Notes)
rPM=1.025
This double is not physical.
 
 
20275-0206 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20275-0206 LSC 89 Aa,Ab 2014 2014 2 161 0.0 7.30 7.70 0.40
Show 20275-0206 S 749 AB 1800 2017 39 189 59.8 6.76 7.51 0.75
Show 20275-0206 S 749 AC 1891 2015 10 329 45.3 6.76 11.30 4.54
Show 20275-0206 S 749 AD 1891 2015 9 269 90.4 6.76 12.37 5.61
Show 20275-0206 S 749 CD 1891 2015 11 239 78.1 10.80 11.00 0.20 <===
Show 20275-0206 S 749 CE 1908 2015 5 198 18.9 10.80 13.70 2.90
Show 20275-0206 S 749 DF 1908 2015 5 26 5.8 11.00 13.60 2.60
Septuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
238.7
Precise sep
78.067
Spectr
F8
Constellation
Aquila
HIP
100896
Tycho2
5167-00198-1
Gaia DR2
08508505216
HD
194765
BD
BD-02 5283
Distance
45.79
Distance ly
149.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20275-0206 S 749 CD 2002 7 240 77.5 10.80 10.90 N 202725.88-020533.4
20275-0206 S 749 CD 2015 11 239 78.1 10.80 11.00 N 202725.88-020533.4

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