21199+3957 SEI 1506
21h 19m 56.76s +39° 57' 00.4" P.A. 60.00 sep 7.8 mag 10.50,11.00
| Coord 2000 |
21199+3957 |
|
Discov num |
SEI1506 |
|
Comp |
|
|
Coord arcsec 2000 |
21 19 56.76 +39 57 00.4 |
|
| Date first |
1895 |
|
Date last |
2019 |
|
Obs |
44 |
|
| Pa first |
88 |
|
Pa last |
60.3 |
|
P.A. Now (θ) |
60.3° |
|
| Sep first |
3.0 |
|
Sep last |
7.753 |
|
Sep. Now (ρ) |
7.753" |
|
| Mag pri |
10.50 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-023 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
-027 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=1.449
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1965566945229078784 |
|
