21505+1953 LDS 4916
21h 50m 25.65s +19° 53' 11.7" P.A. 298.00 sep 198.7 mag 17.90,18.20 Sp DA
| Coord 2000 |
21505+1953 |
|
Discov num |
LDS4916 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 25.65 +19 53 11.7 |
|
| Date first |
1960 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
311 |
|
Pa last |
298.4 |
|
P.A. Now (θ) |
298.4° |
|
| Sep first |
141.0 |
|
Sep last |
198.688 |
|
Sep. Now (ρ) |
198.688" |
|
| Mag pri |
17.90 |
|
Mag sec |
18.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
DA (white dwarf) |
|
| Pri motion ra |
+138 |
|
Sec motion ra |
+112 |
|
| Pri motion dec |
-024 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.208 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1780497934010525312 |
|
