21369+5104 TDS 1137
21h 36m 56.20s +51° 03' 51.5" P.A. 43.00 sep 1.7 mag 10.98,11.38 Sp B8
| Coord 2000 |
21369+5104 |
|
Discov num |
TDS1137 |
|
Comp |
|
|
Coord arcsec 2000 |
21 36 56.20 +51 03 51.5 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
44 |
|
Pa last |
43.1 |
|
P.A. Now (θ) |
43.1° |
|
| Sep first |
1.7 |
|
Sep last |
1.702 |
|
Sep. Now (ρ) |
1.702" |
|
| Mag pri |
10.98 |
|
Mag sec |
11.38 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
B8 (blue-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3603-01272-1 |
|
Gaia DR2 |
2171512065875994880 |
|
