21408+4027 TDT 3102
21h 40m 48.84s +40° 27' 17.9" P.A. 25.00 sep 1.4 mag 11.48,12.42
| Coord 2000 |
21408+4027 |
|
Discov num |
TDT3102 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 48.84 +40 27 17.9 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
25 |
|
Pa last |
24.5 |
|
P.A. Now (θ) |
24.5° |
|
| Sep first |
1.4 |
|
Sep last |
1.35 |
|
Sep. Now (ρ) |
1.35" |
|
| Mag pri |
11.48 |
|
Mag sec |
12.42 |
|
delta mag (ΔM) |
0.94 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3188-01776-1 |
|
Gaia DR2 |
1954384156050052096 |
|
