18040-2529 HDO 148 (HD 164817)
18h 03m 59.09s -25° 28' 38.4" P.A. 15.00 sep 4.6 mag 10.18,10.24 Sp B8II/III
Coord 2000 |
18040-2529 |
|
Discov num |
HDO 148 |
|
Comp |
|
|
Coord arcsec 2000 |
18 03 59.09 -25 28 38.4 |
|
Date first |
1868 |
|
Date last |
2015 |
|
Obs |
15 |
|
Pa first |
15 |
|
Pa last |
14.9 |
|
P.A. Now (θ) |
14.9° |
|
Sep first |
5.4 |
|
Sep last |
4.566 |
|
Sep. Now (ρ) |
4.566" |
|
Mag pri |
10.18 |
|
Mag sec |
10.24 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
B8II/III (blue-white) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
+040 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
+057 |
|
Notes |
N
(See Notes) |
|
rPM=0.993
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164817 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6846-00759-2 |
|
Gaia DR2 |
4065699575286988032 |
|
HD |
164817 |
|