21155+3114 TDT 2862
21h 15m 32.03s +31° 13' 49.6" P.A. 336.00 sep 0.2 mag 11.39,11.40
| Coord 2000 |
21155+3114 |
|
Discov num |
TDT2862 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 32.03 +31 13 49.6 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
305 |
|
Pa last |
336.4 |
|
P.A. Now (θ) |
336.4° |
|
| Sep first |
0.5 |
|
Sep last |
0.212 |
|
Sep. Now (ρ) |
0.212" |
|
| Mag pri |
11.39 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
|
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2702-02494-1 |
|
