21175+3950 SEI 1493
21h 17m 32.92s +39° 50' 14.3" P.A. 142.00 sep 24.1 mag 12.26,11.95
| Coord 2000 |
21175+3950 |
|
Discov num |
SEI1493 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 32.92 +39 50 14.3 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
148 |
|
Pa last |
142.1 |
|
P.A. Now (θ) |
142.1° |
|
| Sep first |
24.3 |
|
Sep last |
24.105 |
|
Sep. Now (ρ) |
24.105" |
|
| Mag pri |
12.26 |
|
Mag sec |
11.95 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=1.135
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3173-03072-1 |
|
Gaia DR2 |
1965237023024536192 |
|
