20277+4507 BKO 154CJ

 
 
20h 27m 38.62s +45 07' 12.8" P.A. 331 sep 17.9 mag 13.40,13.90
 
 
Coord 2000
20277+4507
Discov num
BKO 154
Comp
CJ
Coord arcsec 2000
20 27 38.62 +45 07 12.8
Date first
1998
Date last
2015
Obs
4
Pa first
333
Pa last
331
P.A. Now (θ)
331°
Sep first
18.3
Sep last
17.9
Sep. Now (ρ)
17.9"
Mag pri
13.40
Mag sec
13.90
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+002
Sec motion ra
-065
Pri motion dec
-001
Sec motion dec
+010
Notes
rPM=1.032
This double is not physical.
 
 
20277+4507 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20277+4507 ROE 43 AB 1910 2015 6 316 17.5 9.38 14.80 5.42
Show 20277+4507 ROE 43 AC 1910 2015 5 311 52.8 9.38 13.19 3.81
Show 20277+4507 ROE 43 AD 1910 2015 6 271 42.5 9.38 12.47 3.09
Show 20277+4507 ROE 43 AE 1892 2015 11 282 82.9 9.38 11.19 1.81
Show 20277+4507 ROE 43 AF 1892 2015 10 336 87.2 9.38 12.40 3.02
Show 20277+4507 ROE 43 AG 1892 2015 10 282 102.5 9.38 12.85 3.47
Show 20277+4507 BKO 154 AH 1998 2015 4 224 18.5 9.38 12.70 3.32
Show 20277+4507 BKO 154 AI 1998 2015 4 63 24.1 9.38 14.00 4.62
Show 20277+4507 BKO 154 CJ 1998 2015 4 331 17.9 13.40 13.90 0.50 <===
Show 20277+4507 BKO 154 EK 1998 2015 4 109 4.7 11.20 13.00 1.80
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.9
Precise sep
17.911
Constellation
Cygnus
Tycho2
3573-00486-1
Gaia DR2
99584104064
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20277+4507 BKO 154 CJ 2003 2 331 18.0 13.40 13.90 D 202738.62+450712.8
20277+4507 BKO 154 CJ 2015 4 331 17.9 13.40 13.90 202738.62+450712.8

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