18164-1858 B 1885 (HD 167520)
18h 16m 25.64s -18° 58' 21.5" P.A. 257.00 sep 2.5 mag 8.90,11.90 Sp B7Ib
| Coord 2000 |
18164-1858 |
|
Discov num |
B 1885 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 25.64 -18 58 21.5 |
|
| Date first |
1930 |
|
Date last |
2005 |
|
Obs |
2 |
|
| Pa first |
257 |
|
Pa last |
256.7 |
|
P.A. Now (θ) |
256.7° |
|
| Sep first |
2.5 |
|
Sep last |
2.51 |
|
Sep. Now (ρ) |
2.51" |
|
| Mag pri |
8.90 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
B7Ib (blue-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 167520 |
|
Constellation |
Sagittarius |
|
SAO |
161245 |
|
Tycho2 |
6273-00296-1 |
|
| Gaia DR2 |
4094789938509649536 |
|
HD |
167520 |
|
