21408+3806 TDS 1140
21h 40m 46.49s +38° 05' 39.8" P.A. 191.00 sep 1.0 mag 11.60,12.27
Coord 2000 |
21408+3806 |
|
Discov num |
TDS1140 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 46.49 +38 05 39.8 |
|
Date first |
1991 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
193 |
|
Pa last |
190.8 |
|
P.A. Now (θ) |
190.8° |
|
Sep first |
1.0 |
|
Sep last |
0.955 |
|
Sep. Now (ρ) |
0.955" |
|
Mag pri |
11.60 |
|
Mag sec |
12.27 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
|
|
Pri motion ra |
+002 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3184-01775-1 |
|
Gaia DR2 |
1953500079988373376 |
|