20390+4109 TDT 2451
20h 39m 00.13s +41° 09' 21.4" P.A. 105.00 sep 0.7 mag 11.52,11.75
Coord 2000 |
20390+4109 |
|
Discov num |
TDT2451 |
|
Comp |
|
|
Coord arcsec 2000 |
20 39 00.13 +41 09 21.4 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
Pa first |
121 |
|
Pa last |
104.6 |
|
P.A. Now (θ) |
104.6° |
|
Sep first |
0.8 |
|
Sep last |
0.675 |
|
Sep. Now (ρ) |
0.675" |
|
Mag pri |
11.52 |
|
Mag sec |
11.75 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
|
|
Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-019 |
|
Sec motion dec |
-019 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3157-00944-1 |
|
Gaia DR2 |
2064823055314131072 |
|