21221+4011 ES 2518
21h 21m 56.22s +40° 10' 58.1" P.A. 247.00 sep 2.7 mag 10.94,12.40
| Coord 2000 |
21221+4011 |
|
Discov num |
ES 2518 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 56.22 +40 10 58.1 |
|
| Date first |
1931 |
|
Date last |
1931 |
|
Obs |
1 |
|
| Pa first |
247 |
|
Pa last |
247.1 |
|
P.A. Now (θ) |
247.1° |
|
| Sep first |
2.7 |
|
Sep last |
2.67 |
|
Sep. Now (ρ) |
2.67" |
|
| Mag pri |
10.94 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.46 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3186-02017-1 |
|
Gaia DR2 |
1965585568207945600 |
|
