21398+7425 MLR 250
21h 39m 45.40s +74° 26' 04.5" P.A. 315.00 sep 0.7 mag 10.96,11.32
Coord 2000 |
21398+7425 |
|
Discov num |
MLR 250 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 45.40 +74 26 04.5 |
|
Date first |
1971 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
311 |
|
Pa last |
314.9 |
|
P.A. Now (θ) |
314.9° |
|
Sep first |
0.8 |
|
Sep last |
0.696 |
|
Sep. Now (ρ) |
0.696" |
|
Mag pri |
10.96 |
|
Mag sec |
11.32 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
|
|
Pri motion ra |
+002 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Tycho2 |
4474-00628-1 |
|
Gaia DR2 |
2274215424098619264 |
|