21153+4017 A 1440
21h 15m 18.77s +40° 16' 21.4" P.A. 213.00 sep 1.2 mag 10.06,10.90
| Coord 2000 |
21153+4017 |
|
Discov num |
A 1440 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 18.77 +40 16 21.4 |
|
| Date first |
1906 |
|
Date last |
2016 |
|
Obs |
16 |
|
| Pa first |
214 |
|
Pa last |
212.8 |
|
P.A. Now (θ) |
212.8° |
|
| Sep first |
1.1 |
|
Sep last |
1.16 |
|
Sep. Now (ρ) |
1.16" |
|
| Mag pri |
10.06 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3173-02019-1 |
|
Gaia DR2 |
1968275695204550272 |
|
