21556+6040 MLR 509
21h 55m 35.97s +60° 40' 20.5" P.A. 274.00 sep 1.5 mag 10.40,12.20 Sp B
| Coord 2000 |
21556+6040 |
|
Discov num |
MLR 509 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 35.97 +60 40 20.5 |
|
| Date first |
1980 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
276 |
|
Pa last |
273.5 |
|
P.A. Now (θ) |
273.5° |
|
| Sep first |
1.4 |
|
Sep last |
1.517 |
|
Sep. Now (ρ) |
1.517" |
|
| Mag pri |
10.40 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
B (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4262-01817-1 |
|
Gaia DR2 |
2203958074191591296 |
|
