18462-4520 DON 921
18h 46m 09.42s -45° 20' 20.6" P.A. 129.00 sep 1.1 mag 10.87,11.27
Coord 2000 |
18462-4520 |
|
Discov num |
DON 921 |
|
Comp |
|
|
Coord arcsec 2000 |
18 46 09.42 -45 20 20.6 |
|
Date first |
1931 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
125 |
|
Pa last |
128.7 |
|
P.A. Now (θ) |
128.7° |
|
Sep first |
0.9 |
|
Sep last |
1.056 |
|
Sep. Now (ρ) |
1.056" |
|
Mag pri |
10.87 |
|
Mag sec |
11.27 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
Pri motion ra |
-014 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-016 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Corona Austrina |
|
Tycho2 |
8373-01158-1 |
|
Gaia DR2 |
6705849197937149824 |
|