20330+5712 A 739 (HD 239444)
20h 32m 57.89s +57° 11' 30.2" P.A. 195.00 sep 4.6 mag 9.69,12.40 Sp F2
| Coord 2000 |
20330+5712 |
|
Discov num |
A 739 |
|
Comp |
|
|
Coord arcsec 2000 |
20 32 57.89 +57 11 30.2 |
|
| Date first |
1903 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
188 |
|
Pa last |
195.4 |
|
P.A. Now (θ) |
195.4° |
|
| Sep first |
4.2 |
|
Sep last |
4.593 |
|
Sep. Now (ρ) |
4.593" |
|
| Mag pri |
9.69 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
2.71 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.771
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 239444 |
|
Constellation |
Cygnus |
|
SAO |
32680 |
|
Tycho2 |
3958-01257-1 |
|
| Gaia DR2 |
2187382867688492544 |
|
HD |
239444 |
|