18457-2847 B 404
18h 45m 39.85s -28° 46' 38.6" P.A. 238.00 sep 5.0 mag 8.66,14.70 Sp B8/9II
| Coord 2000 |
18457-2847 |
|
Discov num |
B 404 |
|
Comp |
|
|
Coord arcsec 2000 |
18 45 39.85 -28 46 38.6 |
|
| Date first |
1927 |
|
Date last |
2000 |
|
Obs |
2 |
|
| Pa first |
251 |
|
Pa last |
237.6 |
|
P.A. Now (θ) |
237.6° |
|
| Sep first |
4.5 |
|
Sep last |
4.96 |
|
Sep. Now (ρ) |
4.96" |
|
| Mag pri |
8.66 |
|
Mag sec |
14.70 |
|
delta mag (ΔM) |
6.04 |
|
Spectral class |
B8/9II (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
SAO |
187237 |
|
Tycho2 |
6871-00749-1 |
|
Gaia DR2 |
4071482834612665600 |
|
| HD |
173302 |
|
