20554+3147 TDT 2630
20h 55m 21.25s +31° 47' 13.8" P.A. 86.00 sep 1.9 mag 12.34,12.43
Coord 2000 |
20554+3147 |
|
Discov num |
TDT2630 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 21.25 +31 47 13.8 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
86 |
|
Pa last |
85.9 |
|
P.A. Now (θ) |
85.9° |
|
Sep first |
1.9 |
|
Sep last |
1.86 |
|
Sep. Now (ρ) |
1.86" |
|
Mag pri |
12.34 |
|
Mag sec |
12.43 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2688-00487-1 |
|
Gaia DR2 |
1865629167983422464 |
|