21372+4739 BEM 39 AD
21h 37m 12.34s +47° 39' 14.1" P.A. 7.00 sep 25.9 mag 10.06,13.10
| Coord 2000 |
21372+4739 |
|
Discov num |
BEM 39 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 37 12.34 +47 39 14.1 |
|
| Date first |
1898 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
7 |
|
Pa last |
7.4 |
|
P.A. Now (θ) |
7.4° |
|
| Sep first |
26.9 |
|
Sep last |
25.853 |
|
Sep. Now (ρ) |
25.853" |
|
| Mag pri |
10.06 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
3.04 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
rPM=1.144
This double is not physical.
21372+4739 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 37 12 +47 39 14 |
BEM 39 AB |
2016 |
12 |
329 |
15.7 |
10.06 |
11.20 |
1.14 |
|
|
| Show |
|
|
21 37 12 +47 39 14 |
BEM 39 AD |
2016 |
10 |
7 |
25.9 |
10.06 |
13.10 |
3.04 |
|
<=== |
| Show |
|
|
21 37 12 +47 39 14 |
BEM 39 AE |
2016 |
10 |
124 |
25.1 |
10.06 |
13.16 |
3.10 |
|
|
| Show |
|
|
21 37 11 +47 39 28 |
BEM 39 BC |
2016 |
10 |
124 |
6.5 |
11.20 |
12.70 |
1.50 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3595-02330-1 |
|
Gaia DR2 |
1977626904164861440 |
|
