21489+0523 HU 281 (HD 207447)
21h 48m 54.37s +05° 22' 49.8" P.A. 146.00 sep 1.5 mag 9.90,10.54 Sp A2
| Coord 2000 |
21489+0523 |
|
Discov num |
HU 281 |
|
Comp |
|
|
Coord arcsec 2000 |
21 48 54.37 +05 22 49.8 |
|
| Date first |
1900 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
147 |
|
Pa last |
146.1 |
|
P.A. Now (θ) |
146.1° |
|
| Sep first |
1.6 |
|
Sep last |
1.46 |
|
Sep. Now (ρ) |
1.46" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.54 |
|
delta mag (ΔM) |
0.64 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+019 |
|
Sec motion ra |
+019 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 207447 |
|
Constellation |
Pegasus |
|
Tycho2 |
0552-00257-1 |
|
Gaia DR2 |
2697043546955607168 |
|
| HD |
207447 |
|
