20238+3830 BUP 209AB (V2031 Cyg)

 
 
20h 23m 51.01s +38 29' 34.3" P.A. 320 sep 38.5 mag 8.65,12.12 Sp F0III dist. 380.23 pc (1240.31 l.y.)
 
 
Coord 2000
20238+3830
Discov num
BUP 209
Comp
AB
Coord arcsec 2000
20 23 51.01 +38 29 34.3
Date first
1879
Date last
2015
Obs
13
Pa first
319
Pa last
320
P.A. Now (θ)
320°
Sep first
38.6
Sep last
38.5
Sep. Now (ρ)
38.5"
Mag pri
8.65
Mag sec
12.12
delta mag (ΔM)
3.47
Spectral class
F0III (yellow-white)
Pri motion ra
-012
Sec motion ra
-004
Pri motion dec
-010
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.681
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 13 320 38.5 8.65 12.12 3.47 <===
Show 20238+3830 BUP 209 AC 1879 2015 23 296 65.8 8.65 9.34 0.69
Show 20238+3830 BKO 153 AD 1895 2015 14 119 54.6 8.65 11.50 2.85
Show 20238+3830 BKO 153 BE 1998 2015 9 264 14.7 12.12 14.08 1.96
Show 20238+3830 BKO 153 BF 1998 2015 9 323 16.0 12.12 13.70 1.58
Show 20238+3830 BKO 153 BG 1998 2015 9 31 14.6 12.12 14.40 2.28
Show 20238+3830 FYM 128 BH 1998 2015 8 223 10.9 12.12 15.56 3.44
Show 20238+3830 FYM 128 BI 1998 2015 8 57 32.2 12.12 14.41 2.29
Ninefold system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.1
Precise sep
38.532
Var name
V2031 Cyg
Constellation
Cygnus
SAO
69957
HIP
100586
Tycho2
3152-00040-1
Gaia DR2
01923197312
HD
194378
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 BUP 209 AB 2003 6 320 38.6 8.65 11.72 F0III N D 202351.01+382934.3
20238+3830 BUP 209 AB 2012 8 320 38.6 8.65 11.60 F0III N D 202351.01+382934.3
20238+3830 BUP 209 AB 2015 9 320 38.5 8.65 12.12 F0III N 202351.01+382934.3

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