20312+5714 A 872 (HD 239434)
20h 31m 09.67s +57° 13' 39.3" P.A. 178.00 sep 0.2 mag 9.90,10.30 Sp A0
| Coord 2000 |
20312+5714 |
|
Discov num |
A 872 |
|
Comp |
|
|
Coord arcsec 2000 |
20 31 09.67 +57 13 39.3 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
191 |
|
Pa last |
178.4 |
|
P.A. Now (θ) |
178.4° |
|
| Sep first |
0.3 |
|
Sep last |
0.214 |
|
Sep. Now (ρ) |
0.214" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 239434 |
|
Constellation |
Cygnus |
|
SAO |
32650 |
|
Tycho2 |
3958-01088-1 |
|
| Gaia DR2 |
2187373865436648064 |
|
HD |
239434 |
|
