20422+2939 COU 1175
20h 42m 14.51s +29° 39' 21.3" P.A. 138.00 sep 3.5 mag 9.91,13.20 Sp F8
| Coord 2000 |
20422+2939 |
|
Discov num |
COU1175 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 14.51 +29 39 21.3 |
|
| Date first |
1974 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
139 |
|
Pa last |
137.6 |
|
P.A. Now (θ) |
137.6° |
|
| Sep first |
3.0 |
|
Sep last |
3.5 |
|
Sep. Now (ρ) |
3.5" |
|
| Mag pri |
9.91 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
3.29 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
89028 |
|
Tycho2 |
2182-00628-1 |
|
Gaia DR2 |
1858989152849687296 |
|
| HD |
334930 |
|
