20238+3830 BKO 153BG

 
 
20h 23m 48.89s +38 30' 03.8" P.A. 30 sep 14.8 mag 12.12,14.40
 
 
Coord 2000
20238+3830
Discov num
BKO 153
Comp
BG
Coord arcsec 2000
20 23 48.89 +38 30 03.8
Date first
1998
Date last
2012
Obs
4
Pa first
31
Pa last
30
P.A. Now (θ)
30°
Sep first
14.7
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
12.12
Mag sec
14.40
delta mag (ΔM)
2.28
Spectral class
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.6
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
30
Precise sep
14.8
Cdsa2 id
BKO 153 BG
Constellation
Cygnus
Ra deg
20.39691388888889
De deg
38.50105555555555
last precise pa
30
last precise sep
14.8
 
 
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 BG 2003 2 30 14.8 11.50 13.90 D 202348.89+383003.8
20238+3830 BKO 153 BG 2012 4 30 14.8 12.12 14.40 N 202348.89+383003.8

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