21474+3453 HO 466
21h 47m 23.08s +34° 53' 51.7" P.A. 145.00 sep 2.3 mag 10.18,11.79
| Coord 2000 |
21474+3453 |
|
Discov num |
HO 466 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 23.08 +34 53 51.7 |
|
| Date first |
1893 |
|
Date last |
2017 |
|
Obs |
22 |
|
| Pa first |
139 |
|
Pa last |
144.5 |
|
P.A. Now (θ) |
144.5° |
|
| Sep first |
1.4 |
|
Sep last |
2.291 |
|
Sep. Now (ρ) |
2.291" |
|
| Mag pri |
10.18 |
|
Mag sec |
11.79 |
|
delta mag (ΔM) |
1.61 |
|
Spectral class |
|
|
| Pri motion ra |
+017 |
|
Sec motion ra |
|
|
| Pri motion dec |
+003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2726-00668-1 |
|
Gaia DR2 |
1947712555715677824 |
|
