21577+4356 MAY 9004 AE
21h 57m 41.80s +43° 55' 41.0" P.A. 284.00 sep 8.5 mag 12.20,15.60
| Coord 2000 |
21577+4356 |
|
Discov num |
MAY9004 |
|
Comp |
AE |
|
Coord arcsec 2000 |
21 57 41.80 +43 55 41.0 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
285 |
|
Pa last |
284.1 |
|
P.A. Now (θ) |
284.1° |
|
| Sep first |
8.5 |
|
Sep last |
8.506 |
|
Sep. Now (ρ) |
8.506" |
|
| Mag pri |
12.20 |
|
Mag sec |
15.60 |
|
delta mag (ΔM) |
3.4 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21577+4356 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 57 42 +43 55 41 |
J 3155 AB |
2015 |
10 |
131 |
5.8 |
12.20 |
12.50 |
0.30 |
|
|
| Show |
|
|
21 57 42 +43 55 41 |
J 3155 AC |
2015 |
7 |
348 |
9.9 |
12.20 |
15.00 |
2.80 |
|
|
| Show |
|
|
21 57 42 +43 55 41 |
BTG 9 AD |
2015 |
7 |
86 |
38.1 |
12.24 |
14.07 |
1.83 |
|
|
| Show |
|
|
21 57 42 +43 55 41 |
MAY 9004 AE |
2015 |
7 |
284 |
8.5 |
12.20 |
15.60 |
3.40 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1961202670041029120 |
|
