21505+6401 ES 1920
21h 50m 30.53s +64° 00' 39.9" P.A. 152.00 sep 4.6 mag 10.69,12.40
| Coord 2000 |
21505+6401 |
|
Discov num |
ES 1920 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 30.53 +64 00 39.9 |
|
| Date first |
1921 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
152 |
|
Pa last |
152.2 |
|
P.A. Now (θ) |
152.2° |
|
| Sep first |
4.2 |
|
Sep last |
4.637 |
|
Sep. Now (ρ) |
4.637" |
|
| Mag pri |
10.69 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.71 |
|
Spectral class |
|
|
| Pri motion ra |
-015 |
|
Sec motion ra |
|
|
| Pri motion dec |
+012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4270-00366-1 |
|
Gaia DR2 |
2216787863066017408 |
|
