18496-1654 HWE 44 AC
18h 49m 35.81s -16° 54' 19.6" P.A. 308.00 sep 36.4 mag 8.59,11.79 Sp B9III
Coord 2000 |
18496-1654 |
|
Discov num |
HWE 44 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 49 35.81 -16 54 19.6 |
|
Date first |
1879 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
305 |
|
Pa last |
308.3 |
|
P.A. Now (θ) |
308.3° |
|
Sep first |
34.1 |
|
Sep last |
36.359 |
|
Sep. Now (ρ) |
36.359" |
|
Mag pri |
8.59 |
|
Mag sec |
11.79 |
|
delta mag (ΔM) |
3.2 |
|
Spectral class |
B9III (blue-white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-028 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
rPM=0.809
This double is not physical.
18496-1654 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 174113 |
|
18 49 36 -16 54 20 |
HWE 44 AB |
2016 |
9 |
298 |
2.0 |
8.59 |
10.26 |
1.67 |
|
|
Show |
|
|
18 49 36 -16 54 20 |
HWE 44 AC |
2015 |
9 |
308 |
36.4 |
8.59 |
11.79 |
3.20 |
|
<=== |
Show |
|
|
18 49 36 -16 54 20 |
KNP 3 AD |
2015 |
5 |
200 |
22.2 |
8.59 |
12.50 |
3.91 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6285-04119-1 |
|
Gaia DR2 |
4099170530280166144 |
|
HD |
174113 |
|