20230+3913 SEI 1107 BC
20h 22m 54.03s +39° 12' 28.7" P.A. 69.00 sep 19.3 mag 8.63,10.60 Sp B1.5Ib
| Coord 2000 |
20230+3913 |
|
Discov num |
SEI1107 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 22 54.03 +39 12 28.7 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
70 |
|
Pa last |
68.8 |
|
P.A. Now (θ) |
68.8° |
|
| Sep first |
19.0 |
|
Sep last |
19.304 |
|
Sep. Now (ρ) |
19.304" |
|
| Mag pri |
8.63 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
1.97 |
|
Spectral class |
B1.5Ib (blue-white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-008 |
|
| Notes |
N
(See Notes) |
|
rPM=0.383
Nature of this double is uncertain.
20230+3913 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 194206 |
69929 |
20 22 58 +39 12 40 |
STTA 206 AB |
2019 |
34 |
254 |
43.7 |
6.72 |
8.63 |
1.91 |
|
|
| Show |
|
69929 |
20 22 58 +39 12 40 |
STTA 206 AD |
2019 |
9 |
259 |
24.5 |
6.72 |
11.00 |
4.28 |
|
|
| Show |
|
69927 |
20 22 54 +39 12 29 |
SEI 1107 BC |
2015 |
11 |
69 |
19.3 |
8.63 |
10.60 |
1.97 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
69927 |
|
Tycho2 |
3152-00373-1 |
|
Gaia DR2 |
2061232084708040320 |
|
| HD |
229159 |
|