20072+3616 SEI 891AB

 
 
20h 07m 12.03s +36 16' 07.2" P.A. 172 sep 18.7 mag 11.15,12.53
 
 
Coord 2000
20072+3616
Discov num
SEI 891
Comp
AB
Coord arcsec 2000
20 07 12.03 +36 16 07.2
Date first
1896
Date last
2015
Obs
11
Pa first
173
Pa last
172
P.A. Now (θ)
172°
Sep first
20.0
Sep last
18.7
Sep. Now (ρ)
18.7"
Mag pri
11.15
Mag sec
12.53
delta mag (ΔM)
1.38
Spectral class
Pri motion ra
-002
Sec motion ra
+003
Pri motion dec
-010
Sec motion dec
+000
Notes
rPM=1.096
This double is not physical.
 
 
20072+3616 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20072+3616 SEI 891 AB 1896 2015 11 172 18.7 11.15 12.53 1.38 <===
Show 20072+3616 BKO 89 AC 1998 2015 8 349 29.1 11.15 12.46 1.31
Show 20072+3616 BKO 89 AE 1895 2015 14 282 120.8 11.15 11.00 0.15
Show 20072+3616 BKO 89 CD 1998 2015 8 192 9.7 13.20 13.70 0.50
Show 20072+3616 BKO 89 EF 1998 2015 8 19 7.6 11.00 14.00 3.00
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.5
Precise sep
18.653
Constellation
Cygnus
Tycho2
2683-02290-1
Gaia DR2
32264559232
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20072+3616 SEI 891 AB 2002 5 171 18.6 11.15 12.00 D 200712.03+361607.2
20072+3616 SEI 891 AB 2015 7 171 18.6 11.15 12.53 200712.03+361607.2

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