21490+6323 MLB 177
21h 48m 54.56s +63° 22' 07.1" P.A. 57.00 sep 2.6 mag 12.07,12.50
Coord 2000 |
21490+6323 |
|
Discov num |
MLB 177 |
|
Comp |
|
|
Coord arcsec 2000 |
21 48 54.56 +63 22 07.1 |
|
Date first |
1920 |
|
Date last |
1983 |
|
Obs |
2 |
|
Pa first |
44 |
|
Pa last |
57.2 |
|
P.A. Now (θ) |
57.2° |
|
Sep first |
2.5 |
|
Sep last |
2.64 |
|
Sep. Now (ρ) |
2.64" |
|
Mag pri |
12.07 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.43 |
|
Spectral class |
|
|
Pri motion ra |
+004 |
|
Sec motion ra |
|
|
Pri motion dec |
+009 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2216660388437356672 |
|