20324+4118 MZA 25 AC
20h 32m 22.42s +41° 18' 18.9" P.A. 324.00 sep 20.5 mag 9.40,15.40 Sp O7I
| Coord 2000 |
20324+4118 |
|
Discov num |
MZA 25 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 32 22.42 +41 18 18.9 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
324 |
|
Pa last |
323.5 |
|
P.A. Now (θ) |
323.5° |
|
| Sep first |
20.4 |
|
Sep last |
20.482 |
|
Sep. Now (ρ) |
20.482" |
|
| Mag pri |
9.40 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
6 |
|
Spectral class |
O7I (blue) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20324+4118 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 32 22 +41 18 19 |
CIA 33 Aa,Ab |
2019 |
2 |
107 |
0.0 |
4.70 |
6.30 |
1.60 |
|
|
| Show |
|
|
20 32 22 +41 18 19 |
CIA 33 Aa,Ac |
2019 |
1 |
275 |
0.0 |
4.70 |
8.60 |
3.90 |
|
|
| Show |
V729 Cyg |
|
20 32 22 +41 18 19 |
HER 3 AB |
2018 |
11 |
55 |
0.9 |
9.40 |
11.94 |
2.54 |
|
|
| Show |
|
|
20 32 22 +41 18 19 |
MZA 25 AC |
2015 |
9 |
324 |
20.5 |
9.40 |
15.40 |
6.00 |
|
<=== |
| Show |
|
|
20 32 22 +41 18 19 |
MZA 25 AD |
2015 |
5 |
226 |
5.5 |
9.40 |
16.80 |
7.40 |
|
|
Sextuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3161-01401-1 |
|
Gaia DR2 |
2067830941174418048 |
|
