20277+4507 BKO 154CJ

 
 
20h 27m 38.62s +45 07' 12.8" P.A. 331 sep 18 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
2003
Obs
3
Pa first
333
Pa last
331
P.A. Now (θ)
331°
Sep first
18.3
Sep last
18.0
Sep. Now (ρ)
18"
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 2003 5 317 17.5 9.38 14.80 5.42
Show 20277+4507 ROE 43 AC 1910 2003 4 312 52.7 9.38 13.19 3.81
Show 20277+4507 ROE 43 AD 1910 2003 5 271 42.6 9.38 12.47 3.09
Show 20277+4507 ROE 43 AE 1892 2003 10 282 83.0 9.38 11.19 1.81
Show 20277+4507 ROE 43 AF 1892 2003 9 336 87.3 9.38 12.40 3.02
Show 20277+4507 ROE 43 AG 1892 2003 9 282 102.7 9.38 12.85 3.47
Show 20277+4507 BKO 154 AH 1998 2003 3 224 18.6 9.38 12.70 3.32
Show 20277+4507 BKO 154 AI 1998 2003 3 64 23.9 9.38 14.00 4.62
Show 20277+4507 BKO 154 CJ 1998 2003 3 331 18.0 13.40 13.90 0.50 <===
Show 20277+4507 BKO 154 EK 1998 2003 3 109 4.7 11.20 13.00 1.80
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331
Precise sep
18
Cdsa2 id
BKO 154 CJ
Constellation
Cygnus
Ra deg
20.460727777777777
De deg
45.120222222222225
last precise pa
331
last precise sep
18
 
 
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

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