21384+2953 MLB 491
21h 38m 29.40s +29° 54' 00.4" P.A. 34.00 sep 4.8 mag 11.00,12.00
| Coord 2000 |
21384+2953 |
|
Discov num |
MLB 491 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 29.40 +29 54 00.4 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
71 |
|
Pa last |
34 |
|
P.A. Now (θ) |
34° |
|
| Sep first |
1.9 |
|
Sep last |
4.78 |
|
Sep. Now (ρ) |
4.78" |
|
| Mag pri |
11.00 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
-033 |
|
Sec motion dec |
+009 |
|
| Notes |
N
(See Notes) |
|
rPM=1.394
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1849617259320108672 |
|
