21174+3711 SEI 1491
21h 17m 26.32s +37° 11' 35.7" P.A. 294.00 sep 14.7 mag 10.64,12.40
| Coord 2000 |
21174+3711 |
|
Discov num |
SEI1491 |
|
Comp |
|
|
Coord arcsec 2000 |
21 17 26.32 +37 11 35.7 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
289 |
|
Pa last |
294.3 |
|
P.A. Now (θ) |
294.3° |
|
| Sep first |
15.9 |
|
Sep last |
14.71 |
|
Sep. Now (ρ) |
14.71" |
|
| Mag pri |
10.64 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.76 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+012 |
|
| Notes |
|
|
rPM=1.294
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2714-02147-1 |
|
Gaia DR2 |
1963944272225018112 |
|
