21217+4053 ES 1691
21h 21m 40.93s +40° 53' 19.3" P.A. 174.00 sep 5.3 mag 9.13,13.60 Sp F5
| Coord 2000 |
21217+4053 |
|
Discov num |
ES 1691 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 40.93 +40 53 19.3 |
|
| Date first |
1917 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
161 |
|
Pa last |
173.9 |
|
P.A. Now (θ) |
173.9° |
|
| Sep first |
6.8 |
|
Sep last |
5.266 |
|
Sep. Now (ρ) |
5.266" |
|
| Mag pri |
9.13 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
4.47 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-015 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3186-01072-1 |
|
Gaia DR2 |
1965760802873773184 |
|
