18543-4252 DON 931 (HD 174823)
18h 54m 23.24s -42° 51' 49.4" P.A. 246.00 sep 0.5 mag 9.80,11.20 Sp K1III:
Coord 2000 |
18543-4252 |
|
Discov num |
DON 931 |
|
Comp |
|
|
Coord arcsec 2000 |
18 54 23.24 -42 51 49.4 |
|
Date first |
1931 |
|
Date last |
1936 |
|
Obs |
2 |
|
Pa first |
249 |
|
Pa last |
245.8 |
|
P.A. Now (θ) |
245.8° |
|
Sep first |
0.4 |
|
Sep last |
0.54 |
|
Sep. Now (ρ) |
0.54" |
|
Mag pri |
9.80 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
K1III: (yellow-orange) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+001 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 174823 |
|
Constellation |
Corona Austrina |
|
Tycho2 |
7924-00499-1 |
|
Gaia DR2 |
6715306509763699712 |
|
HD |
174823 |
|