20173+3420 SEI 1064 (HD 228739)
20h 17m 16.15s +34° 20' 08.0" P.A. 254.00 sep 23.9 mag 10.16,10.67 Sp A0
| Coord 2000 |
20173+3420 |
|
Discov num |
SEI1064 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 16.15 +34 20 08.0 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
253 |
|
Pa last |
253.9 |
|
P.A. Now (θ) |
253.9° |
|
| Sep first |
23.8 |
|
Sep last |
23.868 |
|
Sep. Now (ρ) |
23.868" |
|
| Mag pri |
10.16 |
|
Mag sec |
10.67 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-004 |
|
| Notes |
N
(See Notes) |
|
rPM=0.368
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228739 |
|
Constellation |
Cygnus |
|
Tycho2 |
2680-01487-1 |
|
Gaia DR2 |
2055557745716598912 |
|
| HD |
228739 |
|
