21419+4058 MLB 30
21h 41m 35.59s +40° 56' 15.1" P.A. 228.00 sep 9.1 mag 10.00,11.70
| Coord 2000 |
21419+4058 |
|
Discov num |
MLB 30 |
|
Comp |
|
|
Coord arcsec 2000 |
21 41 35.59 +40 56 15.1 |
|
| Date first |
1917 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
229 |
|
Pa last |
228.2 |
|
P.A. Now (θ) |
228.2° |
|
| Sep first |
7.7 |
|
Sep last |
9.06 |
|
Sep. Now (ρ) |
9.06" |
|
| Mag pri |
10.00 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1966429202861044992 |
|
ADS |
15238 |
|
