20180+3311 BAR 11 AB
20h 17m 59.91s +33° 11' 29.1" P.A. 199.00 sep 0.5 mag 7.91,9.09 Sp B9 dist. 1351.35 pc (4408.1 l.y.)
Coord 2000 |
20180+3311 |
|
Discov num |
BAR 11 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 17 59.91 +33 11 29.1 |
|
Date first |
1898 |
|
Date last |
2018 |
|
Obs |
23 |
|
Pa first |
200 |
|
Pa last |
198.6 |
|
P.A. Now (θ) |
198.6° |
|
Sep first |
0.3 |
|
Sep last |
0.47 |
|
Sep. Now (ρ) |
0.47" |
|
Mag pri |
7.91 |
|
Mag sec |
9.09 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-002 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20180+3311 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
69778 |
20 17 60 +33 11 29 |
BAR 11 AB |
2018 |
23 |
199 |
0.5 |
7.91 |
9.09 |
1.18 |
|
<=== |
Show |
HD 193238 |
69778 |
20 17 60 +33 11 29 |
HO 592 AB,C |
2018 |
14 |
255 |
3.1 |
7.60 |
11.96 |
4.36 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
SAO |
69778 |
|
HIP |
100058 |
|
Tycho2 |
2676-00678-1 |
|
Gaia DR2 |
2054606221483136640 |
|
HD |
193238 |
|
ADS |
13660 |
|
BD |
BD+32 3773 |
|
Distance |
1351.35 |
|
Distance ly |
4408.1 |
|