18177-1652 BU 463 (HD 167839)
18h 17m 41.23s -16° 51' 24.5" P.A. 103.00 sep 2.0 mag 10.04,10.54 Sp B7II
| Coord 2000 |
18177-1652 |
|
Discov num |
BU 463 |
|
Comp |
|
|
Coord arcsec 2000 |
18 17 41.23 -16 51 24.5 |
|
| Date first |
1888 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
104 |
|
Pa last |
102.6 |
|
P.A. Now (θ) |
102.6° |
|
| Sep first |
2.2 |
|
Sep last |
2.018 |
|
Sep. Now (ρ) |
2.018" |
|
| Mag pri |
10.04 |
|
Mag sec |
10.54 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
B7II (blue-white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 167839 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6265-00007-1 |
|
Gaia DR2 |
4097386091588180352 |
|
| HD |
167839 |
|