18321-2040 ARA 1152 (HD 170789)
18h 32m 03.26s -20° 40' 12.2" P.A. 134.00 sep 14.5 mag 10.02,12.20 Sp B9III/IV
| Coord 2000 |
18321-2040 |
|
Discov num |
ARA1152 |
|
Comp |
|
|
Coord arcsec 2000 |
18 32 03.26 -20 40 12.2 |
|
| Date first |
1919 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
135 |
|
Pa last |
134.1 |
|
P.A. Now (θ) |
134.1° |
|
| Sep first |
14.6 |
|
Sep last |
14.539 |
|
Sep. Now (ρ) |
14.539" |
|
| Mag pri |
10.02 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2.18 |
|
Spectral class |
B9III/IV (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=0.356
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170789 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6279-00994-1 |
|
Gaia DR2 |
4091864687865315200 |
|
| HD |
170789 |
|
