21189+5413 FAB 17
21h 18m 56.26s +54° 12' 41.2" P.A. 313.00 sep 8.1 mag 12.80,13.30 Sp DA
| Coord 2000 |
21189+5413 |
|
Discov num |
FAB 17 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 56.26 +54 12 41.2 |
|
| Date first |
1991 |
|
Date last |
2014 |
|
Obs |
6 |
|
| Pa first |
323 |
|
Pa last |
313 |
|
P.A. Now (θ) |
313° |
|
| Sep first |
12.9 |
|
Sep last |
8.081 |
|
Sep. Now (ρ) |
8.081" |
|
| Mag pri |
12.80 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
DA (white dwarf) |
|
| Pri motion ra |
-085 |
|
Sec motion ra |
-025 |
|
| Pri motion dec |
+193 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.967
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3953-00480-1 |
|
Gaia DR2 |
2176116580055936512 |
|
