21578+6818 MLB 306
21h 57m 30.73s +68° 19' 36.2" P.A. 144.00 sep 3.8 mag 11.00,11.00
Coord 2000 |
21578+6818 |
|
Discov num |
MLB 306 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 30.73 +68 19 36.2 |
|
Date first |
1894 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
149 |
|
Pa last |
144.3 |
|
P.A. Now (θ) |
144.3° |
|
Sep first |
3.2 |
|
Sep last |
3.837 |
|
Sep. Now (ρ) |
3.837" |
|
Mag pri |
11.00 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
+020 |
|
Sec motion ra |
+048 |
|
Pri motion dec |
+028 |
|
Sec motion dec |
-015 |
|
Notes |
|
|
rPM=1.02
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Gaia DR2 |
2222784732623962240 |
|