20257+3022 COU 1324
20h 25m 39.10s +30° 21' 59.9" P.A. 202.00 sep 3.0 mag 10.69,12.80 Sp F8
| Coord 2000 |
20257+3022 |
|
Discov num |
COU1324 |
|
Comp |
|
|
Coord arcsec 2000 |
20 25 39.10 +30 21 59.9 |
|
| Date first |
1975 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
205 |
|
Pa last |
201.7 |
|
P.A. Now (θ) |
201.7° |
|
| Sep first |
2.6 |
|
Sep last |
2.996 |
|
Sep. Now (ρ) |
2.996" |
|
| Mag pri |
10.69 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
2.11 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
|
|
| Pri motion dec |
+017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2685-01542-1 |
|
Gaia DR2 |
1861696872031548800 |
|
HD |
334346 |
|
