21179+3454 STT 433 BC
21h 17m 54.29s +34° 53' 37.1" P.A. 141.00 sep 13.2 mag 10.80,9.95 Sp F8III:
| Coord 2000 |
21179+3454 |
|
Discov num |
STT 433 |
|
Comp |
BC |
|
Coord arcsec 2000 |
21 17 54.29 +34 53 37.1 |
|
| Date first |
1849 |
|
Date last |
2015 |
|
Obs |
20 |
|
| Pa first |
133 |
|
Pa last |
141.3 |
|
P.A. Now (θ) |
141.3° |
|
| Sep first |
14.1 |
|
Sep last |
13.152 |
|
Sep. Now (ρ) |
13.152" |
|
| Mag pri |
10.80 |
|
Mag sec |
9.95 |
|
delta mag (ΔM) |
0.85 |
|
Spectral class |
F8III: (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+003 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21179+3454 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Ups Cyg |
71173 |
21 17 55 +34 53 49 |
STT 433 AB |
2015 |
22 |
219 |
15.2 |
4.36 |
10.80 |
6.44 |
|
|
| Show |
|
71173 |
21 17 55 +34 53 49 |
STT 433 AC |
2015 |
25 |
184 |
22.1 |
4.36 |
9.95 |
5.59 |
|
|
| Show |
|
71173 |
21 17 55 +34 53 49 |
SLE 382 AD |
2015 |
7 |
307 |
57.1 |
4.36 |
13.10 |
8.74 |
|
|
| Show |
|
71173 |
21 17 55 +34 53 49 |
BU 9011 AE |
2015 |
5 |
67 |
34.4 |
4.36 |
13.70 |
9.34 |
|
|
| Show |
|
|
21 17 54 +34 53 37 |
STT 433 BC |
2015 |
20 |
141 |
13.2 |
10.80 |
9.95 |
0.85 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1867360074164216192 |
|
