21308+6014 MLB 89
21h 30m 47.70s +60° 15' 21.5" P.A. 57.00 sep 5.9 mag 11.28,11.40
| Coord 2000 |
21308+6014 |
|
Discov num |
MLB 89 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 47.70 +60 15 21.5 |
|
| Date first |
1901 |
|
Date last |
2016 |
|
Obs |
13 |
|
| Pa first |
59 |
|
Pa last |
56.7 |
|
P.A. Now (θ) |
56.7° |
|
| Sep first |
5.5 |
|
Sep last |
5.938 |
|
Sep. Now (ρ) |
5.938" |
|
| Mag pri |
11.28 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.12 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+010 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
rPM=0.444
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4249-01320-1 |
|
Gaia DR2 |
2191737346056127104 |
|
