20072+3616 BKO  89EF

 
 
20h 07m 02.23s +36 16' 32.3" P.A. 19 sep 7.6 mag 11.00,14.00 Sp G2:V:
 
 
Coord 2000
20072+3616
Discov num
BKO  89
Comp
EF
Coord arcsec 2000
20 07 02.23 +36 16 32.3
Date first
1998
Date last
2015
Obs
8
Pa first
20
Pa last
19
P.A. Now (θ)
19°
Sep first
7.7
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
11.00
Mag sec
14.00
delta mag (ΔM)
3
Spectral class
G2:V: (yellow)
Pri motion ra
+006
Sec motion ra
-027
Pri motion dec
+000
Sec motion dec
-004
Notes
rPM=1.218
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
19.2
Precise sep
7.588
Constellation
Cygnus
Tycho2
2683-01424-1
Gaia DR2
20454537984
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20072+3616 BKO 89 EF 2002 2 19 7.5 11.00 14.00 D 200702.23+361632.3
20072+3616 BKO 89 EF 2010 4 18 7.5 11.00 14.00 G2:V: 200702.23+361632.3
20072+3616 BKO 89 EF 2015 4 19 7.6 11.00 14.00 G2:V: 200702.23+361632.3

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