21246+7720 LDS 1951
21h 24m 34.45s +77° 20' 20.6" P.A. 347.00 sep 2.4 mag 17.30,17.60
Coord 2000 |
21246+7720 |
|
Discov num |
LDS1951 |
|
Comp |
|
|
Coord arcsec 2000 |
21 24 34.45 +77 20 20.6 |
|
Date first |
1963 |
|
Date last |
2016 |
|
Obs |
3 |
|
Pa first |
357 |
|
Pa last |
346.9 |
|
P.A. Now (θ) |
346.9° |
|
Sep first |
1.5 |
|
Sep last |
2.39 |
|
Sep. Now (ρ) |
2.39" |
|
Mag pri |
17.30 |
|
Mag sec |
17.60 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
+247 |
|
Sec motion ra |
|
|
Pri motion dec |
+023 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2284490978736722688 |
|