20181+4044 STF 2666 CD
20h 18m 05.63s +40° 43' 24.9" P.A. 142.00 sep 24.1 mag 10.70,11.00 Sp B8V+B9V
| Coord 2000 |
20181+4044 |
|
Discov num |
STF2666 |
|
Comp |
CD |
|
Coord arcsec 2000 |
20 18 05.63 +40 43 24.9 |
|
| Date first |
1892 |
|
Date last |
2018 |
|
Obs |
13 |
|
| Pa first |
144 |
|
Pa last |
142.2 |
|
P.A. Now (θ) |
142.2° |
|
| Sep first |
24.4 |
|
Sep last |
24.099 |
|
Sep. Now (ρ) |
24.099" |
|
| Mag pri |
10.70 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
B8V+B9V (blue-white/blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-006 |
|
| Notes |
N
(See Notes) |
|
rPM=0.137 (< 0.3, Physical double)
This double is physical.
20181+4044 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
49438 |
20 18 07 +40 43 56 |
CHR 96 Aa,Ab |
2018 |
31 |
151 |
0.1 |
6.60 |
6.80 |
0.20 |
Y |
|
| Show |
HD 193322 |
49438 |
20 18 07 +40 43 56 |
STF 2666 AB |
2018 |
86 |
245 |
2.8 |
5.96 |
8.24 |
2.28 |
|
|
| Show |
|
49438 |
20 18 07 +40 43 56 |
STF 2666 AC |
2006 |
13 |
207 |
34.0 |
5.96 |
10.70 |
4.74 |
|
|
| Show |
|
49438 |
20 18 07 +40 43 56 |
TAR 5 AD |
2006 |
8 |
181 |
49.6 |
5.96 |
11.00 |
5.04 |
|
|
| Show |
|
|
20 18 06 +40 43 25 |
STF 2666 CD |
2018 |
13 |
142 |
24.1 |
10.70 |
11.00 |
0.30 |
|
<=== |
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2062359152847218432 |
|
