21385+6636 LDS 4902
21h 38m 29.99s +66° 36' 41.1" P.A. 258.00 sep 25.2 mag 13.89,15.68
Coord 2000 |
21385+6636 |
|
Discov num |
LDS4902 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 29.99 +66 36 41.1 |
|
Date first |
1960 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
252 |
|
Pa last |
257.9 |
|
P.A. Now (θ) |
257.9° |
|
Sep first |
25.0 |
|
Sep last |
25.175 |
|
Sep. Now (ρ) |
25.175" |
|
Mag pri |
13.89 |
|
Mag sec |
15.68 |
|
delta mag (ΔM) |
1.79 |
|
Spectral class |
|
|
Pri motion ra |
+109 |
|
Sec motion ra |
+111 |
|
Pri motion dec |
+083 |
|
Sec motion dec |
+082 |
|
Notes |
|
|
rPM=0.016 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2221089427428064768 |
|