20238+3830 BKO 153BF

 
 
20h 23m 48.89s +38 30' 03.8" P.A. 323 sep 16 mag 12.12,13.70
 
 
Coord 2000
20238+3830
Discov num
BKO 153
Comp
BF
Coord arcsec 2000
20 23 48.89 +38 30 03.8
Date first
1998
Date last
2012
Obs
4
Pa first
323
Pa last
323
P.A. Now (θ)
323°
Sep first
16.0
Sep last
16.0
Sep. Now (ρ)
16"
Mag pri
12.12
Mag sec
13.70
delta mag (ΔM)
1.58
Spectral class
Pri motion ra
-004
Sec motion ra
-008
Pri motion dec
-003
Sec motion dec
-001
Notes
N (See Notes)
rPM=0.555
Nature of this double is uncertain.
 
 
20238+3830 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20238+3830 BUP 209 AB 1879 2012 8 320 38.6 8.65 12.12 3.47
Show 20238+3830 BUP 209 AC 1879 2012 18 296 65.8 8.65 9.34 0.69
Show 20238+3830 BKO 153 AD 1895 2012 9 119 54.6 8.65 11.50 2.85
Show 20238+3830 BKO 153 BE 1998 2013 4 263 14.8 12.12 14.08 1.96
Show 20238+3830 BKO 153 BF 1998 2012 4 323 16.0 12.12 13.70 1.58 <===
Show 20238+3830 BKO 153 BG 1998 2012 4 30 14.8 12.12 14.40 2.28
Show 20238+3830 FYM 128 BH 1998 2012 3 221 10.7 12.12 15.56 3.44
Show 20238+3830 FYM 128 BI 1998 2012 3 58 31.6 12.12 14.41 2.29
Ninefold system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323
Precise sep
16
Constellation
Cygnus
last precise pa
323
last precise sep
16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20238+3830 BKO 153 BF 2003 2 323 16.0 11.50 13.20 D 202348.89+383003.8
20238+3830 BKO 153 BF 2012 4 323 16.0 12.12 13.70 N 202348.89+383003.8

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