21304+4229 TDT 3003
21h 30m 25.60s +42° 28' 30.3" P.A. 309.00 sep 0.5 mag 11.25,11.30
Coord 2000 |
21304+4229 |
|
Discov num |
TDT3003 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 25.60 +42 28 30.3 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
309 |
|
Pa last |
308.9 |
|
P.A. Now (θ) |
308.9° |
|
Sep first |
0.5 |
|
Sep last |
0.46 |
|
Sep. Now (ρ) |
0.46" |
|
Mag pri |
11.25 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.05 |
|
Spectral class |
|
|
Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3191-01344-1 |
|
Gaia DR2 |
1967414429695976320 |
|