20238+3830 BKO 153BG

 
 
20h 23m 48.89s +38 30' 03.8" P.A. 31 sep 14.6 mag 12.12,14.40 dist. 380.23 pc (1240.31 l.y.)
 
 
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
2015
Obs
5
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
14.7
Sep last
14.6
Sep. Now (ρ)
14.6"
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 V2031 Cyg 20238+3830 BUP 209 AB 1879 2015 9 320 38.5 8.65 12.12 3.47
Show 20238+3830 BUP 209 AC 1879 2015 19 296 65.8 8.65 9.34 0.69
Show 20238+3830 BKO 153 AD 1895 2015 10 119 54.6 8.65 11.50 2.85
Show 20238+3830 BKO 153 BE 1998 2015 5 263 14.7 12.12 14.08 1.96
Show 20238+3830 BKO 153 BF 1998 2015 5 323 16.0 12.12 13.70 1.58
Show 20238+3830 BKO 153 BG 1998 2015 5 31 14.6 12.12 14.40 2.28 <===
Show 20238+3830 FYM 128 BH 1998 2015 4 222 10.8 12.12 15.56 3.44
Show 20238+3830 FYM 128 BI 1998 2015 4 57 32.2 12.12 14.41 2.29
Ninefold system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.8
Precise sep
14.649
Var name
V2031 Cyg
Spectr
F0III
Constellation
Cygnus
SAO
69957
HIP
100586
Tycho2
3152-01451-1
Gaia DR2
53535982464
HD
229221
BD
BD+38 4063
Distance
380.23
Distance ly
1240.31
 
 
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
20238+3830 BKO 153 BG 2015 5 31 14.6 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.