21339+4842 SWN 7
21h 33m 57.10s +48° 42' 09.8" P.A. 313.00 sep 1.9 mag 11.90,12.20 Sp B9V
| Coord 2000 |
21339+4842 |
|
Discov num |
SWN 7 |
|
Comp |
|
|
Coord arcsec 2000 |
21 33 57.10 +48 42 09.8 |
|
| Date first |
1952 |
|
Date last |
2003 |
|
Obs |
2 |
|
| Pa first |
304 |
|
Pa last |
313.2 |
|
P.A. Now (θ) |
313.2° |
|
| Sep first |
2.2 |
|
Sep last |
1.85 |
|
Sep. Now (ρ) |
1.85" |
|
| Mag pri |
11.90 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
-000 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
rPM=1
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3595-00348-1 |
|
Gaia DR2 |
1978668553999182080 |
|
