21332+4001 MLB 990
21h 33m 13.07s +40° 00' 13.1" P.A. 231.00 sep 4.1 mag 10.50,12.00
| Coord 2000 |
21332+4001 |
|
Discov num |
MLB 990 |
|
Comp |
|
|
Coord arcsec 2000 |
21 33 13.07 +40 00 13.1 |
|
| Date first |
1935 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
235 |
|
Pa last |
231 |
|
P.A. Now (θ) |
231° |
|
| Sep first |
4.0 |
|
Sep last |
4.146 |
|
Sep. Now (ρ) |
4.146" |
|
| Mag pri |
10.50 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
| Pri motion ra |
+018 |
|
Sec motion ra |
|
|
| Pri motion dec |
+009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1965958676301625216 |
|
