18274-3827 RST 2055 (HD 169638)
18h 27m 22.60s -38° 27' 03.9" P.A. 14.00 sep 0.9 mag 8.90,12.30 Sp B9V
| Coord 2000 |
18274-3827 |
|
Discov num |
RST2055 |
|
Comp |
|
|
Coord arcsec 2000 |
18 27 22.60 -38 27 03.9 |
|
| Date first |
1931 |
|
Date last |
1947 |
|
Obs |
3 |
|
| Pa first |
13 |
|
Pa last |
14.2 |
|
P.A. Now (θ) |
14.2° |
|
| Sep first |
0.8 |
|
Sep last |
0.94 |
|
Sep. Now (ρ) |
0.94" |
|
| Mag pri |
8.90 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
3.4 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 169638 |
|
Constellation |
Corona Austrina |
|
SAO |
210169 |
|
Tycho2 |
7901-01711-1 |
|
| Gaia DR2 |
6727129107321177472 |
|
HD |
169638 |
|
