21574+4042 ES 1694
21h 57m 27.04s +40° 42' 06.7" P.A. 66.00 sep 1.7 mag 10.43,11.57
| Coord 2000 |
21574+4042 |
|
Discov num |
ES 1694 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 27.04 +40 42 06.7 |
|
| Date first |
1917 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
71 |
|
Pa last |
65.9 |
|
P.A. Now (θ) |
65.9° |
|
| Sep first |
1.7 |
|
Sep last |
1.734 |
|
Sep. Now (ρ) |
1.734" |
|
| Mag pri |
10.43 |
|
Mag sec |
11.57 |
|
delta mag (ΔM) |
1.14 |
|
Spectral class |
|
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3189-00190-1 |
|
Gaia DR2 |
1959524402978470144 |
|
