21186+3430 HU 769
21h 18m 37.23s +34° 30' 30.9" P.A. 178.00 sep 0.9 mag 9.68,10.23
| Coord 2000 |
21186+3430 |
|
Discov num |
HU 769 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 37.23 +34 30 30.9 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
176 |
|
Pa last |
177.9 |
|
P.A. Now (θ) |
177.9° |
|
| Sep first |
0.8 |
|
Sep last |
0.893 |
|
Sep. Now (ρ) |
0.893" |
|
| Mag pri |
9.68 |
|
Mag sec |
10.23 |
|
delta mag (ΔM) |
0.55 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2711-00242-1 |
|
Gaia DR2 |
1855329114848770048 |
|
ADS |
14842 |
|
