20399+3154 TDT 2456
20h 39m 53.07s +31° 54' 12.4" P.A. 18.00 sep 0.7 mag 11.95,12.18
Coord 2000 |
20399+3154 |
|
Discov num |
TDT2456 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 53.07 +31 54 12.4 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
18 |
|
Pa last |
17.7 |
|
P.A. Now (θ) |
17.7° |
|
Sep first |
0.7 |
|
Sep last |
0.68 |
|
Sep. Now (ρ) |
0.68" |
|
Mag pri |
11.95 |
|
Mag sec |
12.18 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
|
|
Pri motion ra |
+019 |
|
Sec motion ra |
+019 |
|
Pri motion dec |
+018 |
|
Sec motion dec |
+018 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
2690-00391-1 |
|
Gaia DR2 |
1862516764108495872 |
|