21309-4234 DON 1009 (HD 204593)
21h 30m 53.54s -42° 33' 11.0" P.A. 244.00 sep 0.5 mag 10.60,12.40 Sp F3V
Coord 2000 |
21309-4234 |
|
Discov num |
DON1009 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 53.54 -42 33 11.0 |
|
Date first |
1931 |
|
Date last |
1946 |
|
Obs |
3 |
|
Pa first |
241 |
|
Pa last |
243.7 |
|
P.A. Now (θ) |
243.7° |
|
Sep first |
0.5 |
|
Sep last |
0.54 |
|
Sep. Now (ρ) |
0.54" |
|
Mag pri |
10.60 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
F3V (yellow-white) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
|
|
Pri motion dec |
-009 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 204593 |
|
Constellation |
Grus |
|
Tycho2 |
7988-00572-1 |
|
Gaia DR2 |
6578681332330149376 |
|
HD |
204593 |
|