18210-4406 DON 890 (HD 168258)
18h 20m 57.95s -44° 06' 09.7" P.A. 235.00 sep 0.9 mag 10.92,11.26 Sp G1/2
| Coord 2000 |
18210-4406 |
|
Discov num |
DON 890 |
|
Comp |
|
|
Coord arcsec 2000 |
18 20 57.95 -44 06 09.7 |
|
| Date first |
1931 |
|
Date last |
1991 |
|
Obs |
4 |
|
| Pa first |
232 |
|
Pa last |
234.7 |
|
P.A. Now (θ) |
234.7° |
|
| Sep first |
0.7 |
|
Sep last |
0.891 |
|
Sep. Now (ρ) |
0.891" |
|
| Mag pri |
10.92 |
|
Mag sec |
11.26 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
G1/2 (yellow) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168258 |
|
Constellation |
Corona Austrina |
|
Tycho2 |
7913-00754-1 |
|
Gaia DR2 |
6720462635194185856 |
|
| HD |
168258 |
|