21184+3930 SEI 1496
21h 18m 22.12s +39° 29' 59.8" P.A. 352.00 sep 19.5 mag 12.32,11.79
| Coord 2000 |
21184+3930 |
|
Discov num |
SEI1496 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 22.12 +39 29 59.8 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
7 |
|
Pa last |
351.5 |
|
P.A. Now (θ) |
351.5° |
|
| Sep first |
22.1 |
|
Sep last |
19.48 |
|
Sep. Now (ρ) |
19.48" |
|
| Mag pri |
12.32 |
|
Mag sec |
11.79 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
|
|
| Pri motion ra |
+017 |
|
Sec motion ra |
-032 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
-018 |
|
| Notes |
|
|
rPM=1.486
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3173-00292-1 |
|
Gaia DR2 |
1965179367381798912 |
|
