18496-1654 KNP 3 AD
18h 49m 35.81s -16° 54' 19.6" P.A. 200.00 sep 22.2 mag 8.59,12.50 Sp B9III
| Coord 2000 |
18496-1654 |
|
Discov num |
KNP 3 |
|
Comp |
AD |
|
Coord arcsec 2000 |
18 49 35.81 -16 54 19.6 |
|
| Date first |
1965 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
200 |
|
Pa last |
199.7 |
|
P.A. Now (θ) |
199.7° |
|
| Sep first |
23.0 |
|
Sep last |
22.151 |
|
Sep. Now (ρ) |
22.151" |
|
| Mag pri |
8.59 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
3.91 |
|
Spectral class |
B9III (blue-white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-028 |
|
Sec motion dec |
-015 |
|
| Notes |
|
|
rPM=0.662
Nature of this double is uncertain.
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 |
|
