21305+6118 MLB 142
21h 30m 21.01s +61° 19' 11.2" P.A. 324.00 sep 4.0 mag 10.30,13.80
| Coord 2000 |
21305+6118 |
|
Discov num |
MLB 142 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 21.01 +61 19 11.2 |
|
| Date first |
1919 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
325 |
|
Pa last |
323.9 |
|
P.A. Now (θ) |
323.9° |
|
| Sep first |
4.0 |
|
Sep last |
3.996 |
|
Sep. Now (ρ) |
3.996" |
|
| Mag pri |
10.30 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4249-01441-1 |
|
Gaia DR2 |
2192049779157355392 |
|
