21138+3500 J 3128 AB
21h 13m 46.12s +34° 57' 57.1" P.A. 51.00 sep 5.0 mag 12.20,12.80
| Coord 2000 |
21138+3500 |
|
Discov num |
J 3128 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 13 46.12 +34 57 57.1 |
|
| Date first |
1941 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
50 |
|
Pa last |
50.9 |
|
P.A. Now (θ) |
50.9° |
|
| Sep first |
4.7 |
|
Sep last |
4.978 |
|
Sep. Now (ρ) |
4.978" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-019 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
+018 |
|
| Notes |
|
|
rPM=1.735
This double is not physical.
21138+3500 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 13 46 +34 57 57 |
J 3128 AB |
2016 |
14 |
51 |
5.0 |
12.20 |
12.80 |
0.60 |
|
<=== |
| Show |
|
|
21 13 46 +34 57 57 |
J 3128 AC |
2016 |
11 |
93 |
15.0 |
12.20 |
13.40 |
1.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1867211369517376384 |
|
