21178+5756 STI 2564
21h 17m 48.21s +57° 56' 21.9" P.A. 212.00 sep 5.0 mag 10.60,11.40
| Coord 2000 |
21178+5756 |
|
Discov num |
STI2564 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 48.21 +57 56 21.9 |
|
| Date first |
1907 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
211 |
|
Pa last |
212.3 |
|
P.A. Now (θ) |
212.3° |
|
| Sep first |
4.5 |
|
Sep last |
4.987 |
|
Sep. Now (ρ) |
4.987" |
|
| Mag pri |
10.60 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+000 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=1.177
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
3961-00398-1 |
|
Gaia DR2 |
2191018501664161664 |
|
