20238+3830 BUP 209 AB (V2031 Cyg)
20h 23m 51.01s +38° 29' 34.3" P.A. 320.00 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 |
320.1 |
|
P.A. Now (θ) |
320.1° |
|
Sep first |
38.6 |
|
Sep last |
38.532 |
|
Sep. Now (ρ) |
38.532" |
|
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 |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
V2031 Cyg |
69957 |
20 23 51 +38 29 34 |
BUP 209 AB |
2015 |
13 |
320 |
38.5 |
8.65 |
12.12 |
3.47 |
|
<=== |
Show |
|
69957 |
20 23 51 +38 29 34 |
BUP 209 AC |
2015 |
23 |
296 |
65.8 |
8.65 |
9.34 |
0.69 |
|
|
Show |
|
69957 |
20 23 51 +38 29 34 |
BKO 153 AD |
2015 |
14 |
119 |
54.6 |
8.65 |
11.50 |
2.85 |
|
|
Show |
|
|
20 23 49 +38 30 04 |
BKO 153 BE |
2015 |
9 |
264 |
14.7 |
12.12 |
14.08 |
1.96 |
|
|
Show |
|
|
20 23 49 +38 30 04 |
BKO 153 BF |
2015 |
9 |
323 |
16.0 |
12.12 |
13.70 |
1.58 |
|
|
Show |
|
|
20 23 49 +38 30 04 |
BKO 153 BG |
2015 |
9 |
31 |
14.6 |
12.12 |
14.40 |
2.28 |
|
|
Show |
|
|
20 23 49 +38 30 04 |
FYM 128 BH |
2015 |
8 |
223 |
10.9 |
12.12 |
15.56 |
3.44 |
|
|
Show |
|
|
20 23 49 +38 30 04 |
FYM 128 BI |
2015 |
8 |
57 |
32.2 |
12.12 |
14.41 |
2.29 |
|
|
Ninefold system
9 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
V2031 Cyg |
|
Constellation |
Cygnus |
|
SAO |
69957 |
|
HIP |
100586 |
|
Tycho2 |
3152-00040-1 |
|
Gaia DR2 |
2061130001923197312 |
|
HD |
194378 |
|
BD |
BD+38 4063 |
|
Distance |
380.23 |
|
Distance ly |
1240.31 |
|