20138+4055 TDT 2106 (HD 228454)
20h 13m 50.50s +40° 54' 43.7" P.A. 358.00 sep 0.5 mag 11.45,11.90 Sp A0
Coord 2000 |
20138+4055 |
|
Discov num |
TDT2106 |
|
Comp |
|
|
Coord arcsec 2000 |
20 13 50.50 +40 54 43.7 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
358 |
|
Pa last |
358.4 |
|
P.A. Now (θ) |
358.4° |
|
Sep first |
0.5 |
|
Sep last |
0.52 |
|
Sep. Now (ρ) |
0.52" |
|
Mag pri |
11.45 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.45 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
+010 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-001 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 228454 |
|
Constellation |
Cygnus |
|
Tycho2 |
3155-01593-1 |
|
Gaia DR2 |
2062585617885197824 |
|
HD |
228454 |
|