21506+4017 SEI 1539
21h 50m 38.27s +40° 16' 53.1" P.A. 260.00 sep 27.0 mag 11.46,11.85
| Coord 2000 |
21506+4017 |
|
Discov num |
SEI1539 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 38.27 +40 16 53.1 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
260 |
|
Pa last |
259.5 |
|
P.A. Now (θ) |
259.5° |
|
| Sep first |
25.5 |
|
Sep last |
26.974 |
|
Sep. Now (ρ) |
26.974" |
|
| Mag pri |
11.46 |
|
Mag sec |
11.85 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.881
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3189-01364-1 |
|
Gaia DR2 |
1960192150131169152 |
|
