21238+6619 LDS 4884
21h 23m 53.28s +66° 19' 08.5" P.A. 283.00 sep 3.9 mag 16.00,17.20
Coord 2000 |
21238+6619 |
|
Discov num |
LDS4884 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 53.28 +66 19 08.5 |
|
Date first |
1960 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
284 |
|
Pa last |
282.6 |
|
P.A. Now (θ) |
282.6° |
|
Sep first |
4.0 |
|
Sep last |
3.9 |
|
Sep. Now (ρ) |
3.9" |
|
Mag pri |
16.00 |
|
Mag sec |
17.20 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
Pri motion ra |
+139 |
|
Sec motion ra |
+037 |
|
Pri motion dec |
+158 |
|
Sec motion dec |
+091 |
|
Notes |
|
|
rPM=0.58
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2221207453128967936 |
|