18557+5714 TDT 1129
18h 55m 42.29s +57° 14' 25.9" P.A. 14.00 sep 0.5 mag 11.52,11.79
Coord 2000 |
18557+5714 |
|
Discov num |
TDT1129 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 42.29 +57 14 25.9 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
Pa first |
338 |
|
Pa last |
14.3 |
|
P.A. Now (θ) |
14.3° |
|
Sep first |
0.5 |
|
Sep last |
0.549 |
|
Sep. Now (ρ) |
0.549" |
|
Mag pri |
11.52 |
|
Mag sec |
11.79 |
|
delta mag (ΔM) |
0.27 |
|
Spectral class |
|
|
Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
Pri motion dec |
-021 |
|
Sec motion dec |
-021 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Tycho2 |
3927-00070-1 |
|
Gaia DR2 |
2153607107428302464 |
|