21477+1755 LDS 4909
21h 47m 48.47s +17° 54' 30.6" P.A. 66.00 sep 32.7 mag 16.59,17.97
| Coord 2000 |
21477+1755 |
|
Discov num |
LDS4909 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 48.47 +17 54 30.6 |
|
| Date first |
1960 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
66 |
|
Pa last |
66.3 |
|
P.A. Now (θ) |
66.3° |
|
| Sep first |
32.0 |
|
Sep last |
32.717 |
|
Sep. Now (ρ) |
32.717" |
|
| Mag pri |
16.59 |
|
Mag sec |
17.97 |
|
delta mag (ΔM) |
1.38 |
|
Spectral class |
|
|
| Pri motion ra |
+100 |
|
Sec motion ra |
+102 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=0.098 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1774022433293917952 |
|
