21408+4911 TDT 3101
21h 40m 50.81s +49° 11' 25.5" P.A. 330.00 sep 0.9 mag 10.76,11.48
Coord 2000 |
21408+4911 |
|
Discov num |
TDT3101 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 50.81 +49 11 25.5 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
330 |
|
Pa last |
329.8 |
|
P.A. Now (θ) |
329.8° |
|
Sep first |
0.9 |
|
Sep last |
0.87 |
|
Sep. Now (ρ) |
0.87" |
|
Mag pri |
10.76 |
|
Mag sec |
11.48 |
|
delta mag (ΔM) |
0.72 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3599-01058-1 |
|
Gaia DR2 |
1978837157231729920 |
|