21061+2843 LDS 2939
21h 06m 04.78s +28° 42' 43.9" P.A. 320.00 sep 5.9 mag 16.00,16.80
| Coord 2000 |
21061+2843 |
|
Discov num |
LDS2939 |
|
Comp |
|
|
Coord arcsec 2000 |
21 06 04.78 +28 42 43.9 |
|
| Date first |
1953 |
|
Date last |
2017 |
|
Obs |
8 |
|
| Pa first |
324 |
|
Pa last |
319.7 |
|
P.A. Now (θ) |
319.7° |
|
| Sep first |
6.0 |
|
Sep last |
5.934 |
|
Sep. Now (ρ) |
5.934" |
|
| Mag pri |
16.00 |
|
Mag sec |
16.80 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+198 |
|
Sec motion ra |
+191 |
|
| Pri motion dec |
+043 |
|
Sec motion dec |
+043 |
|
| Notes |
|
|
rPM=0.035 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1851356892877807488 |
|
