18472-2246 DON 923 (HD 173643)
18h 47m 12.49s -22° 46' 00.6" P.A. 348.00 sep 0.6 mag 9.88,10.37 Sp F5V
Coord 2000 |
18472-2246 |
|
Discov num |
DON 923 |
|
Comp |
|
|
Coord arcsec 2000 |
18 47 12.49 -22 46 00.6 |
|
Date first |
1929 |
|
Date last |
1991 |
|
Obs |
4 |
|
Pa first |
359 |
|
Pa last |
348.2 |
|
P.A. Now (θ) |
348.2° |
|
Sep first |
0.5 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
Mag pri |
9.88 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
0.49 |
|
Spectral class |
F5V (yellow-white) |
|
Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 173643 |
|
Constellation |
Sagittarius |
|
SAO |
187278 |
|
Tycho2 |
6859-00198-1 |
|
Gaia DR2 |
4078476480151166592 |
|
HD |
173643 |
|
DM |
CD-2213287 |
|