18117-2404 B 2858 (HD 166445)
18h 11m 39.96s -24° 03' 33.8" P.A. 193.00 sep 9.3 mag 9.43,11.10 Sp B8II/III
| Coord 2000 |
18117-2404 |
|
Discov num |
B 2858 |
|
Comp |
|
|
Coord arcsec 2000 |
18 11 39.96 -24 03 33.8 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
194 |
|
Pa last |
192.7 |
|
P.A. Now (θ) |
192.7° |
|
| Sep first |
9.1 |
|
Sep last |
9.337 |
|
Sep. Now (ρ) |
9.337" |
|
| Mag pri |
9.43 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
1.67 |
|
Spectral class |
B8II/III (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-012 |
|
| Notes |
|
|
rPM=0.632
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166445 |
|
Constellation |
Sagittarius |
|
SAO |
186435 |
|
Tycho2 |
6843-01045-1 |
|
| Gaia DR2 |
4066241668859040128 |
|
HD |
166445 |
|
