21120+4000 TDT 2817
21h 11m 57.66s +39° 59' 47.3" P.A. 335.00 sep 0.6 mag 11.34,11.73
Coord 2000 |
21120+4000 |
|
Discov num |
TDT2817 |
|
Comp |
|
|
Coord arcsec 2000 |
21 11 57.66 +39 59 47.3 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
335 |
|
Pa last |
335.3 |
|
P.A. Now (θ) |
335.3° |
|
Sep first |
0.6 |
|
Sep last |
0.64 |
|
Sep. Now (ρ) |
0.64" |
|
Mag pri |
11.34 |
|
Mag sec |
11.73 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+030 |
|
Sec motion dec |
+030 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3173-02198-1 |
|
Gaia DR2 |
1968196049333173760 |
|