21571+3858 SEI 1545
21h 57m 04.33s +38° 57' 20.4" P.A. 324.00 sep 5.8 mag 10.69,11.50
| Coord 2000 |
21571+3858 |
|
Discov num |
SEI1545 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 04.33 +38 57 20.4 |
|
| Date first |
1895 |
|
Date last |
2018 |
|
Obs |
14 |
|
| Pa first |
324 |
|
Pa last |
324.4 |
|
P.A. Now (θ) |
324.4° |
|
| Sep first |
5.7 |
|
Sep last |
5.8 |
|
Sep. Now (ρ) |
5.8" |
|
| Mag pri |
10.69 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.81 |
|
Spectral class |
|
|
| Pri motion ra |
+027 |
|
Sec motion ra |
+022 |
|
| Pri motion dec |
+030 |
|
Sec motion dec |
+029 |
|
| Notes |
|
|
rPM=0.126 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3185-00187-1 |
|
Gaia DR2 |
1959075458633053056 |
|
