18028-2617 B 373 (HD 164561)
18h 02m 46.54s -26° 17' 22.5" P.A. 325.00 sep 5.8 mag 9.33,11.80 Sp B7III
| Coord 2000 |
18028-2617 |
|
Discov num |
B 373 |
|
Comp |
|
|
Coord arcsec 2000 |
18 02 46.54 -26 17 22.5 |
|
| Date first |
1913 |
|
Date last |
1999 |
|
Obs |
5 |
|
| Pa first |
331 |
|
Pa last |
325.1 |
|
P.A. Now (θ) |
325.1° |
|
| Sep first |
4.8 |
|
Sep last |
5.771 |
|
Sep. Now (ρ) |
5.771" |
|
| Mag pri |
9.33 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.47 |
|
Spectral class |
B7III (blue-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=1.521
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 164561 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6850-00470-1 |
|
Gaia DR2 |
4064085182970476800 |
|
| HD |
164561 |
|
ADS |
10997 |
|