20072+3531 BKO  90AC

 
 
20h 07m 12.14s +35 31' 02.9" P.A. 52 sep 13.8 mag 11.39,15.10 Sp B5
 
 
Coord 2000
20072+3531
Discov num
BKO  90
Comp
AC
Coord arcsec 2000
20 07 12.14 +35 31 02.9
Date first
1998
Date last
2015
Obs
8
Pa first
53
Pa last
52
P.A. Now (θ)
52°
Sep first
13.8
Sep last
13.8
Sep. Now (ρ)
13.8"
Mag pri
11.39
Mag sec
15.10
delta mag (ΔM)
3.71
Spectral class
B5 (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20072+3531 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20072+3531 SEI 890 AB 1896 2015 10 94 15.3 11.39 12.50 1.11
Show 20072+3531 BKO 90 AC 1998 2015 8 52 13.8 11.39 15.10 3.71 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.3
Precise sep
13.804
Constellation
Cygnus
SAO
69444
Tycho2
2679-00745-1
Gaia DR2
36539959296
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20072+3531 BKO 90 AC 2002 2 52 13.5 11.39 15.10 D 200712.14+353102.9
20072+3531 BKO 90 AC 2015 4 52 13.8 11.39 15.10 B5 200712.14+353102.9

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