20489+3919 TDT 2558
20h 48m 54.30s +39° 18' 56.4" P.A. 191.00 sep 1.1 mag 11.81,12.19
Coord 2000 |
20489+3919 |
|
Discov num |
TDT2558 |
|
Comp |
|
|
Coord arcsec 2000 |
20 48 54.30 +39 18 56.4 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
191 |
|
Pa last |
190.7 |
|
P.A. Now (θ) |
190.7° |
|
Sep first |
1.1 |
|
Sep last |
1.14 |
|
Sep. Now (ρ) |
1.14" |
|
Mag pri |
11.81 |
|
Mag sec |
12.19 |
|
delta mag (ΔM) |
0.38 |
|
Spectral class |
|
|
Pri motion ra |
+020 |
|
Sec motion ra |
+020 |
|
Pri motion dec |
+015 |
|
Sec motion dec |
+015 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3166-00089-1 |
|
Gaia DR2 |
2064933968558619008 |
|